Very neat job on those caps ! Like I said before I honestly don’t think there’s anyone else out there who would put such love into a repair like Uncle Doug 👏👏👏👍
@UncleDoug4 жыл бұрын
Thanks so much, Doug. We really love the old amps and try to do our best for them and their owners.
@Tacos_n_Nachos4 жыл бұрын
Mr.Carlson is another dude like uncle doug. Both great repairman.
@hypnothang3 жыл бұрын
@@Tacos_n_Nachos UD is an artist.
@leebo84823 жыл бұрын
I guess Im randomly asking but does someone know a trick to log back into an instagram account? I stupidly lost my login password. I would love any tips you can give me.
@zaynebrayan72033 жыл бұрын
@Lee Bo Instablaster ;)
@drew9451014 жыл бұрын
there is a blurry line between craft and art. you've just thrown a Hail Mary over it with those caps... bravo!
@UncleDoug4 жыл бұрын
Thanks so much, Drew ;)
@mamutcat4 жыл бұрын
What a labour of love. You are a true artist and craftsman, Uncle Doug. The respect you showed that old amp was very touching.
@UncleDoug4 жыл бұрын
Thanks, Allan :)
@oliverlangner52024 жыл бұрын
He is!
@tomhood88974 жыл бұрын
Thank you, Uncle Doug! What a rare treat! Excellent work!!!
@nbcnbc82524 жыл бұрын
@@UncleDoug Hi
@livingabovethe12th4 жыл бұрын
I was excited as you were when the "Lupe" tape was unearthed...too cool!
@UncleDoug4 жыл бұрын
Like finding a signed Michaelangelo :)
@yetanotherbassdude4 жыл бұрын
Just looked her up and found this. Amazing piece of history in this amp! facebook.com/HardWayVintage/photos/a.1528402877407808/2084033408511416/
@brettbrandstatt85894 жыл бұрын
I have a Lupe '60 Tremolux. These amps are treasures!
@decomputerleraarable4 жыл бұрын
One thing is for sure: If I ever get to own an amp with a problem, I know were to send it. Video is again excellent. Rob
@UncleDoug4 жыл бұрын
We're here for you, Rob. Thanks !!!
@dannygaskell47223 жыл бұрын
The single coils at 49:55 are great, that 'chime' that all great clean tones seem to have. Well done UD on another great bit of insight and repair.
@UncleDoug3 жыл бұрын
Thanks, Danny. Glad you enjoyed it :)
@danielsaturnino57154 жыл бұрын
I've got say, whenever you get a video like this up you put a smile on my face. Glad to see you are ok. Thanks for the fun.
@UncleDoug4 жыл бұрын
You're quite welcome, Daniel :)
@johnlebeau54714 жыл бұрын
I have a 1949 Princeton. The guy that restored the amp did the same thing with the caps and it looks and sounds fantastic. My caps were wax potted and he softened them in his oven, pushed them out of the sleeves and repotted the new caps with wax in the old sleeves.
@UncleDoug4 жыл бұрын
It sounds like he did a nice job, John.
@howardrose84814 жыл бұрын
Congratulations on getting to work on a “Lupe” amp. I’ve had a couple of these cross my bench over the last 10 years. A genuine piece of Americana.
@UncleDoug4 жыл бұрын
Yes, indeed......a real honor.
@irusman62 Жыл бұрын
Savor the moment Uncle Doug, man thats truly a sight to behold. these special feelings won’t be felt by the people who are looking to make a quick buck. Its so great it came to you.
@UncleDoug7 ай бұрын
Glad you found us, IM.
@simonkormendy8494 жыл бұрын
I like the way how the amp looks like it hasn't been worked on, even though it has been worked on, that's the way I always try to do all my repair-work.
@UncleDoug4 жыл бұрын
Thanks, Simon :)
@alexdeleon71354 жыл бұрын
In short, the disguising of the filter, and coupling caps was absolute genius. Keeping the visual aspect of the vintage circuit was above and beyond with today's session. I admire this quality in you dear uncle. It stands to reason that appreciation of, and the historical preservation within repair service have this manner of practice. I'm sure this client will be overwhelmed with owning a piece of history. He has my envy. Keep them coming, please.
@UncleDoug4 жыл бұрын
Thanks so much for your kind comments, Alex. We will :)
@srtamplification4 жыл бұрын
I am definitely going to use the Uncle Doug Disguise Method on vintage recaps. Awesome!!!
@UncleDoug4 жыл бұрын
I'm flattered, William. Thanks !!
@GregsGarage4 жыл бұрын
I don't know if I've ever seen you that tickled about a specimen!!! AWESOME show Uncle Doug, Jack and Ollie!!!
@UncleDoug4 жыл бұрын
It was a real gem, Greg. Thanks !!!
@djfrank594 жыл бұрын
This video was exceptional. It's so interesting to know about the history of the 5 series chassis, the various resistors used in coupling the inputs, and the variations in output stages. i was never aware that a push-pull 6L6 circuit was used in some rare early editions of the amp. I knew about the field coil speaker in the early models. I usually won't re-stuff caps, but this amp has quite a history behind it which made it worthwhile. I must admit, the amp does sound like hell with the dual hum buckers, but used singly, it cleans things up quite a bit. Pushing the 6V6GT close to the maximum is OK as long as it doesn't run away and re plate. I wouldn't want to see a rare original PT damaged due to a meltdown. Great video and great history lesson all rolled up in one. A customer of mine has a black kitty that looks just like Jack who sleeps in the back of his Princeton Reverb amp. I explained to him that the amp was Cat-thode biased :)
@UncleDoug4 жыл бұрын
Thanks for all the great comments, Frank. I always enjoy hearing from you. It definitely worked best with single coils :)
@luthiervandros4 жыл бұрын
My uncle was in the closet for 60 years. I moved from New Orleans after Katrina hit and I’m now 15 minutes from the old fender factory in Fullerton. I really appreciate history and part of what’s so cool about restoring these amps is discovering the lineage and thinking about the people who built them. Sometimes they are long gone and the last people to see the circuit boards.
@UncleDoug4 жыл бұрын
Thanks for sharing, LV. I too was in the closet just this morning......picking out a suitable wardrobe for today's adventures in the workshop :)
@luthiervandros4 жыл бұрын
@@UncleDoug 😂
@Echo_III4 жыл бұрын
10:40 WOW! That's what I said to myself. You can almost share a tear. And I am not a super fan of Fenders. But someone's name inside the amp - man...
@UncleDoug4 жыл бұрын
Glad you share in our appreciation of Fender's great history, Echo.
@3MonkeysGarage3 жыл бұрын
Well, Uncle Doug, since this is where I started, a good place to give you my overwhelming thanks. About 5 a.m. this morning I fired off my remake of a blackface Princeton build around the guts of a 1955 reel to reel and a grocery cart full of new parts. And, with some anxiety, I got sound. A new rectifier tube is called for to bring my voltages down, some work left in the reverb and tremolo circuits. But those issues just kind of make me happy to chase them down now. You have really given me an education. It is a dream to look at a schematic and get it. Final note, there is no such thing as a poor boys tube amp. :p It's too addictive.
@UncleDoug3 жыл бұрын
That's great to hear, AZ. Once you "know how to fish" (vs receive a free fish) there is no limit to your potential. Continued good luck with your projects.
@Acornhouseworkshop4 жыл бұрын
When this was made, humbuckers were only just starting to be introduced (and certainly not by Leo. No wonder it prefers single coils. Would like to hear it with some P90s.
@UncleDoug4 жыл бұрын
Agreed, Chris :)
@wildbillhackett4 жыл бұрын
I disagree. It's not like I've played or owned a bunch of different old tweeds (I only owned a Deluxe), but of those i have, I thought they sounded harsh on single coils but pretty good (not great) on humbuckers. Most tweed models have way too many mids for Teles and Strats. Those guitars like scooped mids, which is why you mostly see them paired with mid to late 60's Fender amps. A lot of 335 and Les Paul players like tweeds, especially Bassman's. They kind of sop up those mids.
@chillpillology4 жыл бұрын
I have a hunch that is why the owner thought he blew the speaker
@paulcowart31742 жыл бұрын
Yes very woofy w HB's.....I actually prefer my 61 tremolo only Princeton
@davidhigginbotham51982 жыл бұрын
Uncle D you are the bestest Technician ever! Even displaying your prop finger! I shudder to think what may be lurking in it! Such attention to originality is a real treat.
@UncleDoug2 жыл бұрын
Thanks so much, David. I do indeed use artificial hands to point at things in the video.....you know how it is with privacy issues nowadays ;)
@davidhigginbotham51982 жыл бұрын
@@UncleDoug I have learned so much from you. Mostly that I am capible of learning how to understand and even build a guitar amp. Have you ever thought of designing the "Uncle Doug Amplifier Kit"? It could not only be a product for sell but could have the accompanying video series! Maybe a bit ambitious?
@UncleDoug2 жыл бұрын
@@davidhigginbotham5198 That's great to hear, David. I honestly have no free time for such endeavors, but will keep your suggestion in mind.
@giovanni55584 жыл бұрын
Just wanting to share my experience here: I´ve built a 5f1 and later modified it adding the tone control as from the 5e2 schematic. What I found is that you really need to have the tone knob set to at least to 3 o´clock (3/4 of the way up) if you want to use humbuckers (in my case low output vintage style PAF). Anything lower than that just muddens the sound. Whilst I do understand it may throw some people off, I really feel it allows for a lot of variety in the sound, making this amp perfect for people who play different types of guitars with different types of pickups. Really an amazing design. TL; DR. In my opinion the tone of the amp fits both single coils and humbuckers, just need to tweak the tone control :)
@UncleDoug4 жыл бұрын
Good suggestion, G. I left the TC at one setting to demonstrate the response to different pickups. I agree that adjusting the TC can achieve better humbucker response.
@simonkormendy8494 жыл бұрын
Great sounding amp, yesterday, I replaced a light grey 16uF/500V Elna capacitor in my Fender Super Twin amp, that had leaked some electrolyte when the rubber bung ruptured, I replaced it with a light grey 22uF/500V IC capacitor, and the amp seems to be working fine, the old cap was located under the doghouse, I figured that a 22uF/500V cap should work fine as a replacement since the difference in capacitance value is only about 6uF, I did have a spare 15uF cap but it was only rated to 450V, so I decided to go with the 22uF/500V cap instead, looking at replacing all the caps with a full set of F&Ts soon once I'm able to source some, but for now the existing caps will do fine, hope you and your family are all doing well and please keep the videos coming.....cheers!!!!
@UncleDoug4 жыл бұрын
Thanks, Simon. You should have no problem at all with the higher capacitance. Best of luck with the mighty Super Twin.
@simonkormendy8494 жыл бұрын
@@UncleDoug Cheers, I gave the amp a test-play about an hour ago, and it seems to be working fine, nice and loud Fender clean that only Fender amps are capable of, it's rated to put-out 395 watts peak....yikes!!!....or 180 watts R.M.S.....I love the amp to bits, never going to sell it, it's a keeper, apparently Ted Nugent used to use them onstage, still can't believe I managed to buy it from it's previous owner for only Au$350.00.
@RavenNewsWatch4 жыл бұрын
I always enjoy your videos, you're a true craftsman to your trade.
@UncleDoug4 жыл бұрын
Thanks so much, R93 :)
@pauldavis63564 жыл бұрын
I like to believe in the longevity of equipment that is given good care, as you do with all your repairs and especially this one. I can see this unit lasting another 65 years, at which point it will be brought to a service tech for new caps, and he'll be scratching his head when he says to the owner "Look at this. I've never seen caps with wooden ends before. What in the hell were they thinking in 1954? " Wonderful job.
@UncleDoug4 жыл бұрын
And....unfortunately, I won't be around to explain the mysterious capacitors to the tech. Thanks, Paul :)
@racer52online4 жыл бұрын
Definitely among my favorites of yours! What an opportunity and honor to have that in your shop. It was killing me waiting to see the inside 🤩 My stomach rolled when you sprouted an extra hand 😂caught me off guard for a moment. It is these little things that are so endearing. Love the cap camouflage. Results were awesome... now I’ll get back to the video and watch part two for your history lesson😊 👍Good work my friend.
@UncleDoug4 жыл бұрын
Thanks so much, R52. So glad you enjoyed the video.
@Crisdapari4 жыл бұрын
You have shown here as far as I know two amps made for the same person more than 60 years ago. Outstanding
@Crisdapari4 жыл бұрын
I admire your dedication. I just hope the next person (in 60 years probably) servicing this amp notice that the original leaky capacitors have been removed.
@UncleDoug4 жыл бұрын
Thanks, S.
@Ojoe20104 жыл бұрын
Uncle Doug is like an anchor to me in these strange times, as Raul Duke would say : thank God for decent people.
@UncleDoug4 жыл бұрын
Thanks so much, Ojoe. We are quite flattered to hear this :)
@evanmcfevan32114 жыл бұрын
It started on Maui Small Brown and Tweed A Ukulele player Embraced this new technology Keep on rockin’ Doug. Great video.
@UncleDoug4 жыл бұрын
Wow.....nice tune, Evan. Thanks !!!
@MrGTO-ze7vb4 жыл бұрын
Scratch and Sniff asbestos.. YUMMM Nothing like a vintage virgin amp..!
@UncleDoug4 жыл бұрын
Snorting asbestos makes you immune to Covid-19......or at least that's what the neighborhood wino told me ;)
@imannonymous77074 жыл бұрын
@@UncleDoug ya what's up with that the drunks in my neighborhood seem to feel they are immune too lol
@MrGTO-ze7vb4 жыл бұрын
@@UncleDoug LOL.. Uncle Doug you have a funny Wino in your hood..!!
@montygore2 жыл бұрын
Im up all night working on a 13.8 50 amp power supply. Tonight Im on the regulator circuit to drive the pass transistors. I love to watch your videos again when I take a break.
@UncleDoug2 жыл бұрын
That's great to hear, Monty. Keep up the good work :)
@spitefulwar4 жыл бұрын
The next amp archeologist who will get his hands on this one will rejoice at his "first specimen" of the (then) legendary Uncle-Doug-Camo-Caps.
@UncleDoug4 жыл бұрын
Thanks so much, S. I hope that Jack & I are still around if that happens, to bask in the glory ;)
@johnmccabe76454 жыл бұрын
No one but you Doug would care so much to fashion these filter caps like originals. Your sense of quality and respect for Lupe's work is mind-blowing. The most enjoyable vid ever.
@UncleDoug4 жыл бұрын
Wow......thanks so much, John :)
@blahblahblahblah29334 жыл бұрын
Amps been around longer than the state of Hawaii.
@UncleDoug4 жыл бұрын
Good point, AU ;)
@nicholascivitano6084 жыл бұрын
@@UncleDoug The funny thing is, sometimes it feels like they really do row to bring stuff here :)
@yetanotherbassdude4 жыл бұрын
Hadn't even thought of this, but yeah they only attained statehood in 1959 - four years after Roger's dad bought this amp!
@mikedavis44273 жыл бұрын
That's true!! Wow!!
@bwithrow0113 жыл бұрын
@@nicholascivitano608 😆
@irusman62 Жыл бұрын
uncle Doug, thank you, thank you, thank you for going over the schematics! they were very informative and cleared up a lot of my questions. I now think I’ll build the first Princeton circuit, then ill make changes to follow the evolution of each circuit. the parts shouldn’t be over $200CND also I may have my first purchase of a old Baldwin tube organ 71p is the model number. it has some good parts to harvest from. I guess I’ll see if I can get a hold of it. thank you again Uncle Doug, you’ve given a disabled person a spark, to get up and try out something that I should be capable of. :^D
@UncleDoug Жыл бұрын
Good luck with your projects, Russell.
@robertjedney4 жыл бұрын
Wow, great video. I’m watching this first thing in the morning on Election Day because a morning with Uncle Doug is the perfect balm prior to entering a day of bipartisan madness. Uncle Doug for president! We’d all be calmer and better informed.
@UncleDoug4 жыл бұрын
Wow,, thanks so much, Robert. I'm a nervous wreck also.....so much at stake.
@toddoliver1684 жыл бұрын
dear god, painting the wood on the cap ends made me cry. you are awesome. :)
@UncleDoug4 жыл бұрын
Thank you so much, Todd. You have to maintain the illusion ;)
@byensbutler4 жыл бұрын
Great work and great video. I have an idea: How about putting the video on a CD and return it with the amp. Would be great to find in 40 years, when it needs service again :-)
@UncleDoug4 жыл бұрын
Thanks so much, BB. I tend to leave that up to the customer. If they want a DVD of the process, they can make one, or they can simply rely on the presence of the video on KZbin.
@rogerbaird47944 жыл бұрын
Like the well loved Lupe, you owe it to future generations to add your name in there and to provide a supporting letter to document your camouflage! I cringe at the prospect of a future tech looking casually at those caps and instinctively saying "well those are gonna hafta go!" Beautifully done
@UncleDoug4 жыл бұрын
Thanks so much, Roger :)
@jakespede75404 жыл бұрын
Grass skirt! God help us if he shows us the coconuts!!
@UncleDoug4 жыл бұрын
It's not the coconuts you need to fear, Jake :)
@6nosis4 жыл бұрын
@@UncleDoug hah!!
@chrisclem25733 жыл бұрын
Another nice Video Doug, I wanted to add some info on "Lupe" She work at Music Man Amps in the 1970s when I worked there. Music Man was full of ex Fender workers. She had been friends with LEO and Forrest White since at least the early 1950s or there about. The reason you see her name on so many Fender amps was because she did the final wiring inspection and put the amps on the burn-in racks where they would cook them for several days. That is the same job she did at Fender and Music Man. I don't believe she actually build most of those amps.She was Foreman (or Forewomen? ) in the Amp wiring section, which was all girls.Those same girls also did the sewing for the amp covers, which were made in house in those days.....Chris
@UncleDoug3 жыл бұрын
Thanks so much for this very interesting info, Chris.
@arnebroxleirnes4184 жыл бұрын
"The Loner Finger". There's a Neil Young song in there somewhere!
@UncleDoug4 жыл бұрын
Indeed.....as long as it's not the middle one :)
@framusburns-hagstromiii8084 жыл бұрын
😀😀👍👍 I have done the cardboard surround swap on those vintage caps many times but I usually just left a gap between the end and the new cap. ..makes it a bit easier to check if the cap has been leaking..although measuring would reveal that as well ...good job😀😀👌👌!!
@UncleDoug4 жыл бұрын
Thanks, FB :)
@sonovoxx4 жыл бұрын
Aloha Hawai'i!
@UncleDoug4 жыл бұрын
Are you going.....or arriving, Keith :)
@bobbymeyerti93004 жыл бұрын
Yes sir!!! I think your craftsmanship is impeccable!!! Your knowledge is top of the line!!! Your humor Technology makes me watch your videos... good job!!!
@UncleDoug4 жыл бұрын
Wow....thanks, Bobby :)
@jeffm81224 жыл бұрын
What a wonderful amp to be (justifiably) entrusted with. Keeping the appearance as original as possible while making the amp totally reliable is the best anyone can do. Thanks for the review of the changes to the Princeton schematics and for putting the whole video together. If I may, I would like to make a correction to your explanation of the input jack wiring. I think that the impedances for jack 2 are really 68K for the grid stopper and 68K to ground. The 68K to ground is because the closed contact on jack 1 shorts out the 1M resistor and the result is the drop in signal level applied to the grid. All the best and stay healthy. Regards, Jeff.
@UncleDoug4 жыл бұрын
Thanks for all your very nice comments, Jeff. The error was previously identified and corrected in the video description.
@dougtaylor77244 жыл бұрын
That’s how it should be done. 27:40 All caps look original with the electrical integrity in top notch condition. I’ve used the old cap outside with a new one inside before and it really looks great. Not hard to do because the new ones are much smaller and fit neatly inside. You would think somebody offers a set like that for sale. When restoring a amp like this price is not going to be a big deal. Thanks for the vid Uncle Doug. Outdone yourself yet again!
@UncleDoug4 жыл бұрын
Thanks so much, Doug :)
@Bigjoedo664 жыл бұрын
The man , the myth the legend strikes again!! Another informative video thanks Uncle Doug
@UncleDoug4 жыл бұрын
You're quite welcome, Big Joe :)
@toddirmen4374 жыл бұрын
I believe a market for old, spent capacitors has just been created. That was a great idea. I love your videos.
@UncleDoug4 жыл бұрын
Thanks, Todd :)
@southboundsuarez98324 жыл бұрын
Hey Unkie, Yup, you gotta love getting the honor of being the first to dive into these old amps. As I have mentioned before, I had this pleasure when I received an old 5f6a. It was on my Bassman that I had done the deed and "remanufactured" my old paper electrolytics. Your wooden dowel was a great idea for all practical purposes. It allowed you to actually return the orig caps to the owner intact save the paper wrapper. In my method I have removed the metal can and have opened it up by slicing it open with a tubing cutter and removing the inner guts.... basically destroying the cap but definately a lesson on what goes on inside these caps... You often hear that the caps dry out . In my 60+ yr examples the dialectric was very much moist to the touch. What was very noticable was the bumps and dendrites that was forming between the layers of dialectric paper and foil. Once the can had been gutted I placed the new cap inside the can and the placed both halves of the can into the paper. On another note, the greatest experience I have had to date was a '46 Deluxe Model #26 Woodie near mint and never molested.... the serial number was two digits and under 30 iircc. While there was not a masking tape with Lupe on the inside there was indeed a penciled in "Leo". Supposedly, he was building these on his kitchen table after Kaufman left Fender to his own enterprise. Funny that many of these old amps actually predate the electric guitar itself.
@UncleDoug4 жыл бұрын
WOW !! I would give my left kidney for a 1946 Model 26 Woodie, SS, and if it had "Leo" hand written inside, I might even throw in 3 feet of small intestine.
@southboundsuarez98324 жыл бұрын
@@UncleDoug Yes, it was just as I was begining to establish myself as a guy that can do things with old amps.... actually at this point maybe not so much "old" amps, but just the guy that had recently been doing things with a lot of amps... I unexpectedly received it one afternoon while dropping off recently completed modifications on a Blues Jr. I possession of it with a handshake and the understanding that I was unfamiliar with it and I would look into it, research it and get back and let him know what I think... I went straight home and removed a very light layer of dust with a vacuum and lightly dampened microfiber cloth. The amp was about as near perfect as your Hawaiian Princeton example shown here. The cloth covered rubberized power cord was actually intact. I reached for my golden screwdriver but old goldie was like milk of magnesia + orange juice + vodka = Phillips Screwdriver These screws were all round head slotted style of screws. I seem to recall that the liberation of the chassis required removal of two slotted wood screws. Inside was untouched point to point wiring with a menagerie of WWII era surplus components. As I viewed the guts of this amp and inspected each individual component, the way the leads were formed and how each lead was soldered, I just felt like I was opening a time capsule, history of something touched and crafted by Leo's own hands.... It was something I felt just should not be touched.... My dilemma was that for the most part vintage guitar amplifiers are valued for their tone and as such are expected to be played. The vintage modern electric "spanish" guitar and its amplifiers that we know today and particularly the case for Fender were factory mass produced and these vintage guitars are collected and valued for their superior tone qualities first and intrinsic historical value second... The Woodies were hand crafted in very limited numbers and actually pre-date the electric guitar that we know today. The owner of this Woodie was pretty adamant about playing his guitar or using it as a harp amp. It was a hard sell but he eventually was persuaded to place it for display at the now defunct Fender Museum in Corona. While they persuaded him, I sought input from the antique and vintage radio community.... It seems much of the post war vintage antique electronics are not as meticulously restored as prewar stuff. Mostly due to the wide use of war surplus electronic components... The purists dont get so crazy about period perfection..... however I did learn a trick from the purists that restored the premium pre war sets and where museum and period correctness might count that it often was that they would create reproduction component labels to place over modern components or re-stuff and remanufacture older component parts such as condensors or capacitors. This is where I first had considered such an idea and began experimenting with such methods. Fortunately I never had to resort to this with the Woodie. I did spend a good amount of time with the Woodie plugged into the Variac with the rectifier jumpered with diodes and did actually seem to reform the caps to the extent that I was able to place the rectifier tube back into the the amp and actually play guitar thru the amp... It was very similar to tweed amp but very brite.
@bingskiddd4 жыл бұрын
This man is an artist, craftsman and a perfectionist............ My favorite youtube channel by far... Thanks Uncle Doug
@UncleDoug4 жыл бұрын
Wow....thanks so much, Nick. You just made our day :)
@JorgeWeerts4 жыл бұрын
Hey Uncle Dug, You have done an excellent rebuilding job, respecting the originality of this amp "gem" . My respects Sir. Take care
@UncleDoug4 жыл бұрын
Thanks, Jorge :)
@shyammohabir82834 жыл бұрын
Your videos are educational and inspiring Uncle Doug! As an old Electrical & Electronic Engineer I'm always fond of vacuum tube circuits. In fact, I'm building a Hi-FI tube amp using a 2 staged preamp ECC83's, Marshall like tone stack, 12Aux7 phase inverter and JJ 6L6GC push pull to output transformer. I'm still doing the calculation on what kind of transformers I need.. :) The fun continues.. .
@UncleDoug4 жыл бұрын
Thanks so much, Shyam. That sounds like quite a project. I hope it exceeds your expectations.
@shyammohabir82834 жыл бұрын
@@UncleDoug - I'm happy to report - Success! This tube amp sounds beautiful.... It rocks! I wish I can share you some picture/videos. Many thanks again for your videos on tube biasing and Tone Stack they saved the DAY!
@stauffrt2 Жыл бұрын
You are an artist Uncle D. Absolutely impressive to see the result. Thanks.
@UncleDoug Жыл бұрын
Thanks so much, S2 :)
@cassvirgillo33954 жыл бұрын
Hello Uncle Doug, How fortunate are you to work on, I believe, your second Lupe signed amp, talk about your time capsule amp. Beautiful job on the caps and amp, it looks untouched. Sounding good, Lupe would be proud. Glad your doing well. A rainy but warmer week ahead, two weeks of frosty morning's and Sunny days lately. Great video, Thank you. All the best, C.
@UncleDoug4 жыл бұрын
Thanks, Cass. I was indeed an honor :)
@raycochrane39714 жыл бұрын
Problem solving, repair & conservation - wonderful work.
@UncleDoug4 жыл бұрын
Thanks, Ray :)
@amoruzz2 жыл бұрын
Cute little Tweed and lots of great information. Another great video. Thanks Uncle Doug!
@UncleDoug2 жыл бұрын
Glad you enjoyed it, Amo.
@iskandertime7474 жыл бұрын
Wow! Lupe strikes again! What a busy lady. Amazing to think that you are the first person to touch that wiring after her.
@UncleDoug4 жыл бұрын
It was an honor to "walk in her footsteps" ;)
@qua77713 жыл бұрын
I can appreciate your attention to detail, and unique respect for the historical attributes of this repair. I doubt many tech's would be this conscientious In preserving it properly. I'm sure the owner will appreciate your efforts, and has probably learned as much as we did.
@UncleDoug3 жыл бұрын
Thanks so much, AR. I hope so :)
@josephmitchell2043 жыл бұрын
I love this channel! You may have set the new standard for historical relic restoration.
@UncleDoug3 жыл бұрын
Thanks so much, Joseph :)
@IAmSaintBlue4 жыл бұрын
Thank you for sharing your valuable knowledge with us. You are a good teacher and explain things well. I have built 3 amps and when I watch your videos I realize I don't know as much as I thought I did. :-). You are a wealth of knowledge and this information is hard to find sometimes. I love your pets too, they are fun to see in your videos and they're all sweet.
@UncleDoug4 жыл бұрын
Thanks for your nice comments, Jimmy.
@paulmoreton30834 жыл бұрын
Great job UD! The owner will be delighted - as would we all to own one of those and have you service it!. Who said you can't teach an old amp new tricks.. great to see Jack today looking dandy as ever, King of the castle. Thanks for posting. Paul in the UK
@UncleDoug4 жыл бұрын
Thanks so much for all your nice comments, Paul.
@jameshamilton3564 жыл бұрын
What a gorgeous piece of art. Congrats uncle Doug..... Well done.
@UncleDoug4 жыл бұрын
Thanks so much, James.
@4MaBerY4 жыл бұрын
Nice job with the caps. I always wondered why this isn't done more frequently. I did more or less the same thing on a 1934 Philips 830 radio with big canned caps which contained foil caps totally shot. I ended up removing the innard goop soldering in some modern philips caps and soldered back the cans again. Radio worked again.
@UncleDoug4 жыл бұрын
Thanks, 4M :)
@bwithrow0113 жыл бұрын
The work on the 7 caps proves Uncle Doug is an artist. I'm sure Lupe would be pleased. Amazing work preserving this artifact. In addition, Uncle Doug & Jack are amazing historians!
@UncleDoug3 жыл бұрын
Thanks so much for your kind words, Bob :)
@bwithrow0113 жыл бұрын
@@UncleDoug You're welcome Uncle Doug
@FakingANerve4 жыл бұрын
12:50 "He was the engineer that came along when the amp was sold who kept it tuned up and just died of old age, so we'll have to have a good burial for him... probably in the trash pail." 😂👏 Brilliant. I love it! On a serious note, that capacitor work was quite inspired. Bang up job, sir!
@UncleDoug4 жыл бұрын
Thanks, Kevin. Glad you enjoyed it :)
@smasica4 жыл бұрын
That amp is an absolute gem. Fantastic work on it; much respect. The little beauty really showcased single coil PUs. It would be a sweet recording amp with a vintage Telecaster or Strat playing through it. Humbuckers sounded like it gave the amp heartburn. To my ear, they sounded like a bad PA in a dive-bar somewhere in Detroit.
@UncleDoug4 жыл бұрын
Thanks, TM. Glad you enjoyed it.....other than the humbuckers ;)
@Catfishfryzilla4 жыл бұрын
Very impressive work........wow......what a great historical amp to get to work on. Amazing!
@UncleDoug4 жыл бұрын
Thanks, Catfish. It was indeed a gem :)
@jeteye972 жыл бұрын
Loving the comparative schematic overviews in the B part of the video. This information is a great value for those of us who are new to the older designs.
@UncleDoug2 жыл бұрын
That's good to hear, Marc.
@vcsuwar61263 жыл бұрын
Love to watch you work. Thank you for making KZbin worthwhile.
@UncleDoug3 жыл бұрын
Thanks, Mike. It's our pleasure.
@luthravin47744 жыл бұрын
What an awesome amazing 5E2 Doug!! You made just as good.or better than Lupe did.. well Lupe shined in her own rite as you!! Mudiness ...maybe .. but if I remember my Fender years ..when this amp was manufactured Fender only used single coil pickups.. and wasn’t designed for humbucker use IMHO... in any regards what an amp!! Thanks Doug!! Wow!!
@UncleDoug4 жыл бұрын
Thanks, Luth. I agree, it works best with single coils, for which it was designed. I only included the humbucker recordings to show the difference.
@phildiegidio46584 жыл бұрын
As usual, the Techno Geek in you shines thru. Well done Doug. It's a pleasure to sit with you.
@UncleDoug4 жыл бұрын
The pleasure is ours, Phil. Thanks !!
@remi37414 жыл бұрын
this again was a very educational video doug. Good idea to replace the capacitors in the old housing. you can't really tell the difference. Nice job.
@UncleDoug4 жыл бұрын
Thanks so much, Remi :)
@jonathanduffett83744 жыл бұрын
That is just a beautiful thing. These beauties need to be kept in order because they sound great. Unless you’ve played them with the right guitar you shall not know. Thank you Doug for your care. Blessings at this difficult time.
@UncleDoug4 жыл бұрын
Thanks so much, Jonathan. We appreciate your very kind words.
@TheFreddyfloyd4 жыл бұрын
uncle Doug, great video. the work you performed here would have brought a tear to lupe's eye im sure. I learn so much from your videos, thank you
@UncleDoug4 жыл бұрын
Thanks, Fred. That's great to hear :)
@Finom14 жыл бұрын
God Bless and protect you and your wonderful family. Just another great educational video for your viewers. Uncle Doug you have amazing talents, thank you so much for sharing your wisdom with us!!!
@UncleDoug4 жыл бұрын
Wow.....you're quite welcome, F1. I appreciate your very nice comments.
@sweettoof90024 жыл бұрын
As always your attention to detail is without peer. You are the man, Uncle Doug. Thanks for the videos.
@UncleDoug4 жыл бұрын
You're welcome, ST. Thanks for the nice comments.
@johnsobota62344 жыл бұрын
Hi Doug. I think at 1:10:13 the input 2 impedance is 136 k ... since the 1M resistor is defeated when nothing is plugged into input 1. Huge fan. Thanks SO MUCH for making these. Best on the internet I’ve seen.
@UncleDoug4 жыл бұрын
Thanks, John. You're right......This was discovered immediately upon posting and rectified in the video description.
@kirkgreenman13864 жыл бұрын
This video was one of the most interesting , Great story, you hid the caps inside the original covers, shrink wrap on the power cord, . What a great way to fix the amp and return it like no work had been done.
@UncleDoug4 жыл бұрын
Thanks so much, Kirk :)
@weschilton4 жыл бұрын
Uncle Doug you are a true artist. You passion and ingenuity are just wonderful to see. I am certain the lucky owner of this Princeton is overjoyed. :)
@UncleDoug4 жыл бұрын
Thanks so much, Wes. I hope so too :)
@erpece4 жыл бұрын
I like what you did to make the new caps look original. Great idea.
@UncleDoug4 жыл бұрын
Glad you like them, Er :)
@CC-te5zf2 жыл бұрын
It'd be nice if someone was producing a vintage looking brown power cable for all these old ladies needing new power cords. You did an incredible job of installing the new one. Great technique!
@UncleDoug2 жыл бұрын
They do exist, Chad. We will install a commercially available brown, cloth-covered 3-wire power cord in our next video......so stay tuned.
@CC-te5zf2 жыл бұрын
@@UncleDoug nice!
@UncleDoug2 жыл бұрын
@@CC-te5zf Thanks, Chad.
@johnharrisjr.3513 жыл бұрын
Yes to everything that's going on here. I put together my 5F2a circuit this past year, but always wondered about the other single-ended iterations of the Princeton. Thankyou for the history lesson; it was just what I was hoping for. Cheers!
@UncleDoug3 жыл бұрын
We're glad the video was helpful, John.
@BigDaddy-fx4nx4 жыл бұрын
GREAT JOB!!!! on those caps man, awesome, master repair work. I thought a guy use to make replacement electrolytics that looked like the old ones, the way you made them, that was about 15+ years ago though. My memory isn't that good anymore and maybe a guy just did what you did with your old caps for you. People see a tweed and think there's some magic tone from them and when they play one they are usually disappointed. I've had a few old Tweed amps and to me they sounded awful LOL. The best sounding Tweed I owned was a reissue Bassman I had a new circuit board made for it. I also changed the first preamp stage on one channel to more like a Marshall to cut the bass way down. People forget they originally used a first preamp 12AY7 and 5881 output tubes as well as 110v from the AC, completely different sound. One thing about single ended amps like this, they sound best with 8" or 10" speakers, they get flabby with 12" speakers. A good higher SPL 8" in there would make a huge difference. Although an extension cab with a good Eminence speaker like a Ragin Cajun or Copperhead in it would be much better. Or a pair of 8" Jensen speakers, 2x8 cabs sound great with these types amps, mix of a c8r and a p8r.
@UncleDoug4 жыл бұрын
Thanks for your input, BD :)
@gregoryirwin2633 жыл бұрын
Uncle Doug is a national treasure some of the best content on youtube
@UncleDoug3 жыл бұрын
Thanks, Greg :)
@W1RMD3 жыл бұрын
I've heard of re-stuffing crapacitors before and thought it ridiculous. After watching this video, and seeing how good you made it look, I want to try it. Great job! I enjoyed the history/ technical lesson toward the end. A word of advice though: Let Jack solder and Rusty install grill cloths in the shop NOT the other way around!
@UncleDoug3 жыл бұрын
An excellent suggestion, Ryan. Good luck with your project.
@LTJR.4 жыл бұрын
Stellar as always and about 4 minutes in I did catch the white paint specs on the top of the amp.
@UncleDoug4 жыл бұрын
Thanks, Lawrence. Good catch :)
@doublechinmask37442 жыл бұрын
Such a nice video.You are the man when it comes to vintage amp repair and service.Really nice voice too,I often fall asleep listening to your videos :-).Cheers,Haris
@UncleDoug2 жыл бұрын
Thanks, Haris. I hope your sleep is not due to boredom ;)
@hestheMaster4 жыл бұрын
I see why you are a most popular KZbinr when it comes to explaining and repairing the electronics in guitar amps. No one is better at it and you're especially a great teacher! My other favorite person in electronics is Mr. Carlson from Mr. Carlson's Lab. Both of you excel in your fields. Sincerely , Steve.
@UncleDoug4 жыл бұрын
Wow.....thanks so much, Steve :)
@charris9394 жыл бұрын
HI Uncle Doug, I am so glad you concealed the new caps inside the old ones, it really helps the appearance of originality with the reliability and safety factor, what a great little amp and a great story to boot. Invaluable. And boy! Casey is packing on the COVID19 pounds! Lockdown treated her very well, or as my Mum would say to me she's been in a good paddock😉
@UncleDoug4 жыл бұрын
Thanks, Colin. It's always good to hear from you. KC is indeed a "good eater" ;)
@strangequark4204 жыл бұрын
The Lupe signature takes the cake for this amp. WOW. I think she'd be real proud of you for this.
@UncleDoug4 жыл бұрын
Thanks, Tim. I hope so :)
@peterburi27274 жыл бұрын
You Sir are an artist in your own right. Superb work.
@UncleDoug4 жыл бұрын
Thanks so much, Peter :)
@dalegilmore95274 жыл бұрын
What a fabulous Video of two Gems, This Amp and You Uncle Doug, Thanks for sharing!
@UncleDoug4 жыл бұрын
You're quite welcome, Dale. Thanks !!!
@Slugg-O4 жыл бұрын
That little amp has a nice dynamic range. The clean tone is warm and rich while the dirty end sounds downright mean. The cap work was creative and fantastic. I think,you should have placed your own piece of tape next to Lupe's because it is highly unlikely that the amp will ever again see such a high level of care. You sir, are the Chuck Norris of tube amps!
@UncleDoug4 жыл бұрын
Wow.....thanks so much, Randy. I would not presume to place myself next to Lupe, after all, she built it in the first place and all I did was "tune it up" ;)
@sting11114 жыл бұрын
Wow light up the tanna leaves while opening the sarcophagus. I enjoyed the Princeton evolution!
@UncleDoug4 жыл бұрын
We also uttered some ancient Coptic incantations, Sting. I dare not reveal them publicly ;)
@larryl14274 жыл бұрын
Thanks for the video Uncle Doug. I have 3 Fender tweed amps, and the "Gold Lion/Genalex" tube works well in all three.
@UncleDoug4 жыл бұрын
You're welcome, Larry. Thanks for the tip.
@deanmesserer35544 жыл бұрын
Greetings from Australia and great job & informative video UD. Reminds me when I occasionally stuffed some capacitors on rare & original vintage radios. If I found some asbestos I'd spray it with clear spray paint if I thought it was worth preserving the originality
@UncleDoug4 жыл бұрын
Thanks for watching, Dean. Glad you enjoyed it.
@angelomelitc4 жыл бұрын
Another brilliantly filmed, narrated and edited video from Uncle Doug. Thanks so much for sharing your knowledge and skill and about to entertain while doing so.
@UncleDoug4 жыл бұрын
Glad you enjoyed it, A. Thanks for the nice comments.
@mobicus14 жыл бұрын
Very clever trick on the caps! Thanks for the share on this great idea!
@UncleDoug4 жыл бұрын
You're welcome, Rick. Glad you liked it.
@tsloth13904 жыл бұрын
Aw man, Doug, this is easily the best recap I’ve seen!
@UncleDoug4 жыл бұрын
Wow.....thanks, Tommy :)
@richardleary90854 жыл бұрын
Thanks Uncle Doug for preserving the originality of this piece of fender history 👏. Incidentally Gibson does the same thing with the bumble bee caps on the high end Les Paul replicas. Good stuff !