Signal Generator Troubleshooting Repair and Modification

[@howardrollinsiii5932]

I would love to see you design a "Smart Nixie Tube Frequency Counter", if you have not yet done so in your presentations already. One that can be used to dial track a vintage analog radio receiver's vernier dial. I am most interested in building one of those for my older gear. Keep up the great work that you do Mr. Carlson. I think that you sir, are a vast living repository of in depth technical knowledge. There is no question in my mind that you are the embodied definition of Professional in the word Pro. I appreciate very much what you do, enjoy with avidity your work, and admire your dedication you have in helping other Electronic minded individuals such as myself to achieve and become more proficient with the craft. Electronics is my favorite thing of all. It is always for me a labor of love. I am sure that you agree that It remains one of the best fields one can be involved with. I am extremely proud of you. Thank you for helping to keep American Knowhow alive and well. Respectfully, Professor: Howard Daniel Rollins III Inventor and Scientist.

[@etinsley]

Another vote for the "Smart Nixie Tube Frequency Counter"! I just joined your Patreon and I'm loving your content.

[@sordello51]

Dang, I gave away my Boonton counter 10 years ago. Bought it from Collins surplus almost 40 years ago. Loved that machine. It was just very old and could not be certified to do my job. In fact the only device that I am allowed to use today in an Aeroflex 3920. Still fun to watch the old stuff.

[@PaulHigginbothamSr]

Sweeeet

[@Skibidi_Male_X]

That's quite the comment if I have ever seen one

[@marklowe7431]

This is like a piece of historical art that should be preserved. Glad you're working on it.

[@bud03038]

My Dad open a tv repair shop in 1949, he had that very signal generator, with a Precision Volt Ohm meter, a Heathkit signal tracer, Ico 5meg scope. Spent many hours watching him trouble shoot. Learned a lot.

[@wither8]

@8:30 "the osc. section alone could be an entire video..." I think myself and thousands of others would love to hear that ! You don't even have to limit yourself to repair/mods, just you tearing things down + narrating commentary on the topology of the era and construction would make some of yer fans weeks! Thanks Paul!!! edit: that 6sj7 is the single greatest engineering feat I've seen all month edit 2: Strike that - Your mod + delineating thought process supercedes the 6sj7. Work. of. art.

[@MrCarlsonsLab]

Thanks for your comment!

[@skycarl]

Another helpful and educational vid. Thank you Paul. Building the freq counter would be a fantastic video. I'm sure others will agree. Take care pal. Carl

[@MrCarlsonsLab]

Thanks Carl!

[@jeffreyhoffman8955]

Mr. Carlson is more than a fountain of knowledge in the electronic test equipment operation and electronics design field. Much of what I learned watching "Electronics At Work in 1957-1959 on WQED TV, along with the booklets that were produced to complement the show I forgot. I also had some electronics training in the Army for missile guidance. In the 1970's I took a course in TV repair which was interesting and required taking tests periodically to finish the projects. Even with all of that training, I am still learning a lot from watching Paul's videos; - in particular, the vacuum tube info and especially the high voltage danger. As I have an old Zenith radio from the '30's or '20's that is a family hand-me-down, So now I am interested in fixing it, I recall it receiving signals from European countries about 30 years ago. Then it went south and it became a dust collecting novelty decoration. Wooden cabinet and knobs too.

[@SoddingaboutSi]

Your an inspiration to the next generation of repair technicians, if they still exist. Great job and lovely generator .

[@johnsjohnson7677]

If its possible to find someone that sparks your interest with creativity and intelligence...not to mention ability and to communicate on several levels...then you have an excellent teacher, one that helps you grow within yourself so that you become more then what you imagine. Mr. Carlson, you've done this for me and brought the fun back into electronics after my 77 years. An Elmer to be sure!

[@ronshaw80]

Another great video. Others have said it, but I will repeat, you videos are the best on the internet. Very clear and detailed, and no nonsense.

[@MrCarlsonsLab]

Thanks Ron, I'm glad your enjoying the video's!

[@ianbutler1983]

Thanks Paul, I try to follow along and I don't understand everything, but I pick up a little bit from each video. This is the best of the internet-taking us right into the workshop of an expert and allowing us to see things we would never get the opportunity to see otherwise.

[@bryancurrier1743]

Just picked one up im hoping to restore thanks to your videos im learning a lot please keep them coming

[@coincidentalrvadventures2081]

I wanted to take a moment and thank you so very much. At 59 years old I've been laid up for almost a year with an ankle fracture. So I get to lay here and watch KZbin videos. You have taught me quit a bit about electronics. Although most of it is above my head I have learned quite a bit. Thank you from the bottom of my heart. Keep it up, Please.

[@MrCarlsonsLab]

Glad your enjoying! Hope your ankle gets better.

[@ScoutCrafter]

I have always been a fan of vintage electronics and seeing you restore them to like new condition is amazing to me. This project came out flawless! I love the cabinet restoration tip! Never thought of that... Thanks much for sharing your expertise with us... 😃👍

[@MrCarlsonsLab]

Your welcome!

[@boulder89984]

The man is able to channel the engineer that designed this unit in 1948. Truly amazing to listen to his thought process.

[@ozz3d]

why would anyone down thumb any of these projects?? , they are all awesome!! Love watching Paul's videos...would love to see more reel to reel stuff.

[@alynicholls3230]

probably jealousy, or he does it differently to them, some people are really sad.

[@BruceNitroxpro]

@@alynicholls3230 , I think most are bots designed to make everyone bad, unfairly.

[@markanderson350]

One of the best educated around with good workmanship too. Hard to find those traits together.

[@rewalton46]

I restored my E-200-C three months ago, but just did the calibration yesterday. I was thrown by the fact that the output waveform isn't a nice, clean sine wave, but looks clipped at the top. I learned from another KZbin video that this is normal, in fact desirable, due to the need for the harmonics in the highest ranges. Knowing that, I was able to proceed adjusting the trimmers for the correct frequency reading. I even had to do a bit of plate adjusting on the big tuning cap to get it to track better with the dial, something I've never tried before. Acquisition of a Tek o'scope that displays waveform frequency helped immensely. Following your lead in the video, I experimented with the resistor and capacitor values in the 6C5 grid circuit to bring the audio frequency closer to 400 Hz. I'm only about 7-10 Hz low - close enough. As I said once before, your video gave me the courage to tackle my own E-200-C. Now that it is done, I'm ready to use it to align the 1938 Zenith radio I just finished restoring.

[@waynecarlson3736]

Paul Designing a frequency counter for a shortwave would be great. You have my vote for it

[@MrCarlsonsLab]

Hi Wayne, here is the finished project: kzbin.info/www/bejne/qoTYYaufl66Xr68

[@w.rustylane5650]

My dad has an old Heathkit Sweep Generator. Now I want to go to GA to get it and fix it up. Sure do enjoy your videos.

[@donaldj.mangold1342]

Thank you for the excellent tutorial on adding a freq counter test jack. As always your ability to provide insight on the design aspects of your projects is greatly appreciated. Looking forward to more of your future projects. Don

[@arongooch]

Electrons should feel privileged travelling through that frequency counter buffer addition you made. Very nice job as always.

[@MrCarlsonsLab]

Thanks Aron!

[@LarryDeSilva64]

That signal Generator the Precision apparatus company was bought out by B& K and they have the solid state one of course but you have that tube one working as good as new Paul great job and video.

[@HansVanEijsden]

Sir, you are a genius. Keep up the good work.

[@MrCarlsonsLab]

Thanks Hans!

[@bobwendoloski6970]

I have a 1957 version of this unit, paid $15 for it at a hamfest last year. It works perfectly and I have done nothing to it restore wise. It is on my project list for this fall when I have more free time. Glad to find this video for some helpful tips. These are incredibly well made units.

[@crustyHO]

Love the thoroughness of your videos! Almost every little detail, some people tend to overlook a lot of little important details, but some of the most important little details.

[@richardmiranda5357]

Thank you Mr Carlson for a detailed explanation of this project. Just finished my E-200C restoration project and just want to add a comment about B+ filtering and 60 Hz ripple found in the RF signal. I had to increase filter capacitors 4A and 4B to 22 uf., and 4C to 50 uf., in order to have a ripple free RF output. In my E-200C, using C4 factory values, the 60 Hz ripple is noticed very high.

[@johnparichuk8367]

I enjoyed this video. I used to own one of these and the companion E-400 sweep generator. I purchased them in 1967 when I was 17. At the time, The E-200-C was selling for $120.00 in the Allied Radio catalog, way out of the price range of a 17 year old kid! I purchased both generators for $10.00 each from a gentleman whose brother, a TV/radio repairman, had passed away. These units were bulletproof! I used them for quite a few years, but sold them when the U.S. Navy transferred me to Japan. By the way, the E-200-C was advertised as "hand calibrated". Accuracy was given at +/- 1% of the dial reading.

[@cocosloan3748]

Sir, you are a genius.Your understandings of amplification circuits, loads AC current is astounding !

[@davidrobertson3904]

Mr. Carlson, Your videos are so very informative and entertaining. Being a self made engineer and senior technical instructor for a company that makes atomic particle accelerators ( now retired ) I can really appreciate your methods of presentation as well as your hi level of knowledge of troubleshooting and electronics. Your presentation of safety and common sense is second to none. In my work our machines had voltages greater then 300,000 volts and very large and heavy mechanical moving parts so safety was primary to our instruction. Your presentation reflects the importants of careful and safe operating procedures. I am also delighted that you are an amateur radio operator and this reflects in your presentation methods. Keep up the good work. Regards and 73 Dave KD1NA

[@MrCarlsonsLab]

Thanks for your kind words David! Glad your enjoying the video's.

[@rewalton46]

Thanks for this video. It gives me the courage to restore my own E-200-C. Rick Walton Antique Radio Collector ("antique" fits both the radios and the collector)

[@MrCarlsonsLab]

Glad to help Rick! Good luck with your restoration.

[@materialsguy2002]

Hi Paul. I very much enjoyed your analysis of the workmanship and fabrication methods used in building this generator. Thanks for another outstanding video.

[@MrCarlsonsLab]

Thanks Shaun!

[@larryk4mu240]

Hi Paul, wow, another great restore video, you must have been a professor in another life, or a great story teller. Each one is detailed and easy for anyone to follow. I agree with all the others, yes a video on a nixie counter for old receivers would be fantastic. What could be better? 73

[@wxman46]

Thanks for this great video. I've had a later version (mid 50s vintage) of this same signal generator on the bench for at least 35 years. The craftsmanship inside is unbelievable. I noticed that the last time I powered it up maybe ten years ago, it's internal modulation was not working. Even though I no longer use it, you have given me the push to bring it back to life again!

[@fredfabris7187]

Like the idea of building freq counter. Your attention to detail is inspiring. Thanks

[@av8bvma513]

Brilliant, fantastic, fabulous, engaging, entertaining, educational, delightful, impressive, unmissable!

[@MrCarlsonsLab]

Thanks for all your kind words!

[@av8bvma513]

Thank you! A thousand thanks for the wonderful and amazing videos. They are very highly appreciated. A classy job. Nicely done. Excellent lighting, excellent sound, excellent video, excellent framing, excellent explanations. Matchless. Best on the web. You sir, are a treasure and a boon for mankind.

[@richardgoebel226]

I think you have hit the proverbial nail on the head. Paul's videos seem like an oasis in a desert of poor and outright bad videos.

[@arnoldrimmer8008]

I'm finding it hard not to hate this guy. He has the coolest toys. :)

[@W1RMD]

Wow! This is probably one of my favorite videos of yours. What a great piece of test equipment. I especially like the Yaesu Nixie tube frequency counter. Don't forget to sign the inside!

[@johncunningham5435]

Once again a very informative and educational way of repair, modification and finally making the unit look like it was rolled off the factory floor. "Excellent Work"

[@TheArtyBartfast]

Jeeze, your videos are so freaking good. They teach me things I didn't even know I needed to know... Keep your stick on the ice!

[@MrCarlsonsLab]

Thanks, will do!

[@tetious]

Your videos are excellent! You explain things clearly, and the care and pride of workmanship you put into your restorations and repairs really shows through. Thanks for sharing your expertise.

[@komorka88]

I have to admit that your channel is one of my favorite. I really like that videos are around 1-2hrs so everything can be shown in detail and well explained. Keep up the good work! And thank you for sharing with your knowledge :)

[@xraytonyb]

Another great video! I love the added buffer circuit. The first time I worked with one of the older tube-type signal generators, I actually thought something was faulty, because the output was not a perfect sine wave. Later, I came to understand the purpose of the "dirty" signal was to expand the frequency range of the device via harmonics. Unfortunately, those harmonics wreaked havoc with my frequency counter! This is a great solution. Thank you for taking the time to do this video!

[@MrCarlsonsLab]

Your welcome!

[@TheRadioShop]

Wow Paul. Simply amazing. I really like the detail on the circuit and how you fixed the audio circuit. That buffer circuit was also great. Very well done Paul. I really enjoyed this one. Another relic working like new with additional use!

[@MrCarlsonsLab]

Thanks Buddy!

[@TheRadioShop]

You are welcome. Sent you a message btw :-)

[@waynecarlson3736]

Paul it would be great to build a frequency counter from scratch. Outstanding as always Thank You

[@oceanheadted]

I like the vernier on the scale, a beautifully desinged and constructed piece of equipment.

[@williamyorkolepossum]

You inspired me go to out to the shop and find my Precision E200-C and start cleaning it up. I am from the tube generation but getting too old to do much anymore. I should have all the required parts somewhere. LOL...I enjoy your work.. 73

[@MrCarlsonsLab]

Thanks William!

[@williamyorkolepossum]

Being old is not much fun. I opened 200C up only to find out that I had already re-capped it. LOL.. Still gonna check resistors.

[@MrCarlsonsLab]

LOL, now you can double check your work :^)

[@williamyorkolepossum]

Great Idea. Where on earth can I find a schematic with one using 5Y3. 6C5 & 6sg7..With FADED DOTTED RESISTORS..lol

[@erin19030]

I had just finished upgrading mine last June. Recapping , new tubes and cleanup.one day last week it blew a fuse. The fault was in the transformer , within a shorted secondary 6 volt filament winding. It's truly a boat anchor now. I was so glad that I still had my EICO 324. It's in original condition. I'm going to leave it alone.

[@robbyprust]

Wow following along your videos really brings back the tube theory schools I went through in the 70’s . Back then you had to work your way up from tube Theory to transistor theory and then digital (TTL) Theory.

[@MrUbiquitousTech]

Great video Paul, thanks for sharing! I just won an auction on an E-200-C and this will help me service it when it arrives. Really nice work on that cathode follower there, looks/works great!

[@VintageElectronicsGeek]

Very excited to see this video as I'm planning to overhaul my Conar #280, mine has coax hardwired which really sux as far as keeping things wrangled plus it's old and stiff, I plan on removing it and adding a BNC connection, I also plan to add a power indicator, I have left it a on a few times! Great video, well documented! I'd be interested in seeing a home brew freq counter! Regards, Jack, VEG

[@tehpigslayer]

Vintage Electronics Ge

[@VintageElectronicsGeek]

Edvin Mog

[@robertcalkjr.8325]

Great work, Paul! Thanks for the teaching. I noticed the shield side of a capacitor marked:) I appreciate you sharing your knowledge with us.

[@MrCarlsonsLab]

No problems Robert, glad your enjoying!

[@Quark.Lepton]

Wonderful tutorial-so rich with information on every single step!

[@NebukedNezzer]

I have one of these and have refurbished it years ago. I wanted sine wave output instead of pulse so coupled the oscillator to the output through a resistive adder taken off the coils. This gives sine out instead of pulse. I may go back and change it back to original. Just as you noted, Precision Apparatus Co. made good equipment. I love my 10-12 tube checker from them.

[@priestblood]

Great video Paul, It would be great to watch you build a counter and to build one too cheers

[@Cavemaaaan]

Beautiful work as always :) I have one of these PACO's which is an early E-200 (no suffix) and has the dual fuses in the power-cord's plug. It was brought back to my bench in a big box of old test-gear from the TV-transmitter site where I used to work - they said I could keep what I wanted or throw it all away. Of course, I brought all of it home hehehe.

[@MrCarlsonsLab]

Glad you saved the equipment!

[@MaxKoschuh]

Oh wow! That's absolutely awesome. So much effort went into this episode. Thank you so much. It was very interesting to watch. I love the point-to-point wiring in the small Hammond box. I am using hammond 70009 aluminum enclosures for EVERYTHING. In tube amps, wiring boxes, RF projects, and so on. In combination with Tektronix solder strips. The 7308 from German production is a Siemens E188CC, which is basically a E88CC / 6922 but factory selected for matching triodes. And the E88CC itself is a high quality long life version of the ECC88 / 6DJ8 . Or in other words, you've got the best of the best. As is your video.

[@MrCarlsonsLab]

Thanks for your kind comment Max!

[@vinceotten129]

Beautifully drawn schematic!

[@packer38]

Another fantastic job Paul. Your explanations are great and so is your workmanship. A first rate video and upgrade job.

[@joebristow4910]

Great video, you are a breath of fresh air added to electronics

[@TRXLab]

Hi Paul, that was an absolutely fantastic refurbishment, repair and of course modification. I agree it looks like a manufacture mod. Very well done looks awesome and works perfect. Like it! Take care 73

[@MrCarlsonsLab]

Thanks Peter!

[@robertjacko1718]

Enjoyed your discussion and the circuit design for the digital display.

[@robertvaldimarsson2109]

A great video and a beautiful restauration/modification. i love your old test bench series and am looking forward to every video. and i'd love to see the frequency counter design. the only thing more fun than restoring something is to build something useful yourself :)

[@mikesradiorepair]

Another great rebuild Paul. Really like your buffer circuit for the FC output. Mike

[@majordisappointment8692]

Cool repair video i had one of those signal generators when i was younger but i did not know how to use it needed repaired thanks bring back fun times with a neighbor and a load fm receiver.

[@radioengineering8247]

Another excellent vid. YES please do some vids on nixie tube counters - restoration and scratch build would be awesome!

[@montysmith2076]

Once again you I was amazed at how well you explain and teach. Learning a lot. Thanks.

[@MrCarlsonsLab]

Thanks Monty!

[@johnparichuk8367]

This generator also works well as an AM transmitter. When I was 17 (1967), I plugged a crystal cartridge turntable into the external modulation jacks and a long wire dipole antenna into the high output RF jack. I was able to pick up the signal a half mile away. I was lucky I didn't get caught by the FCC!

[@timex7155]

Yes it's true. Not only did Canada invent greatest game ever played, Canadiens know a thing or two about electronics as well. I'm glad your are our ally . ~ thank you from a proud owner of a series E signal Gen.

[@tomcook5813]

I imagine the 80 tubes were used because the market was flooded with tubes after the war, they probably got a good deal on a load. awsome as always Mr. Carlson, as Wayne said "party on excellent!

[@murdoch817]

Doug here and his feline assistant Merlin. Purchased a mediocre quality 12 watt tube amp kit and a few questions if you have time. The electrolytic caps are crap and will be replaced with much better ones. The tubes are as follows (Please excuse my ignorance here as I am just getting my feet wet with tubes; I am a biologist with a grad degree in neuropharmacology, spent 25 years as a veterinary critical care nurse, and spent the last 7 as a CNC operator, programmer, and maintenance tech. Most importantly self taught in electronics from the age of 11, course you taught me more in a few hours than I learned over those 1. your the patron saint of electronics in my view, well done and I admire, appreciate and respect the work it must have taken to do all those videos.). Down to business; tubes that came with the kit El34-B, 6N9PJ, and rectifier 5Z3PJ all markings are electron tube made in china. I am assuming these all are bargain basement specials. All this drivel leads to the question(s), what makes 1 tube better than the other, since this is not a mono-block how important (I assume very) is matching of tubes, and due you have videos that explains this? If I manage to breath life into this are there better tubes that could be swamped out, and does one do this? I am also replacing the low quality e-lytic caps with good ones. You must be a very busy man and intelligent beyond me X5, I would greatly appreciate any advise you could render. It also goes with out saying if you need any help in my areas of study just ask, it would be my honor to help you. Merlin and I are looking fwd to your next video. Regards, Doug & Merlin PS I do have a tube tester, and enough other test equipment that my significant other would have thrown me out years ago albeit for love.

[@MrCarlsonsLab]

Hello Doug & Merlin. The matching of tubes becomes more important in push-pull application. Amplifiers running "single ended" are not so picky about matching. Some tubes built in China are very good quality, and have a very rugged support structure (more so than American JAN tubes) This is due to the suspected service they will see. Hanging inverted right behind two 12 inch speakers that are powered by 6L6 tubes requires extreme internal rigidity. I will do a video on this in the future showing the difference in build quality between a newer vacuum tube, and an older JAN tube. You will be surprised! Maybe this will debunk a lot of audiophile drivel. I'm glad you and your furry assistant are enjoying the video's! Take care.

[@murdoch817]

Thank you Mr. Carlson for your reply, I would love to see a video about tubes and the debunking there of. I may have a lot of letters behind my name but I confuse easily. All these audiophiles droning on about which tube is better and why makes us crazier than we already are. Funny thing is I have never seen one with hard data in hand. But audio is like wine some are with a $5 bottle but others insist on the $50 on only. Solder on, Merlin & Doug

[@jmamcCAIADO]

Hi, Mr Carlson, i like to watch your great fixes and smart upgrades and technics. I dont understanding a great deal of electronics but i'm a fan. keep up the great work.

[@mertonsilliker3686]

Very refreshing to view a pro at work. I have just starting watching your videos and alto i do not know alot, feel i am learning please contine

[@Goforitmanager]

Awesome video as usual. Definitely will watch the frequency counter video. Another idea, perhaps for a short tech tips video would be "why or why not ground the chassis of old vacuum tube equipment". Thank you

[@Geopholus]

As always ! BEAUTIFULLY PRESENTED MATERIAL on this old PACO R.F. signal generator! Love the cathode follower mod, and all the details in the circuit analysis. A couple of questions on Steel body tubes... Many years ago, mid 1960's, I was advised by a couple of very competent electronics techs that "steelies" (especially 6L6's) were worthless, as they are by nature so very microphonic, lose vacuum easily, so just find a glass version or glass equivalent, and throw away the steel jacketed tubes. Since then I have had very few encounters with "steelies" other than a few 6L6's that were indeed microphonic and weak, and just a couple of times 6SJ7''s. I guess Your 6SJ7 in the signal generator is in a steel jacket. I have several in steel which were all I could find recently looking to replace one in an old Hewlett Packard signal generator. Is this steel jacket ever a problem... in this application?

[@8bits59]

Hats off to the designers of this beauty! I almost expected to see selenium rectifiers rather than tubes.

[@erin19030]

I own one of these generators. It's a super piece to have in the radio restoration shop / lab.

[@llsdigitek]

Another Detailed Fantastic Job Paul... Thanks !!! Lloyd - DigiTek

[@MidnightVisions]

I vote yes for a Nixie tube frequency counter, absolutely a cool idea! 8 digits please. Then a matching Frequency Generator for the icing on the cake.

[@vonzigle]

Many clever design features on this unit! Thanks Paul!

[@davidlegault9745]

Another great video Mr. C. I actually have an E-200-C sitting beside me, so the video is especially helpful. Looking forward to the freq. counter video. Regards, Dave

[@webwolf7]

Build a nixie tube counter from scratch?! Yes please!!! Sounds like a fantastic project.

[@justicelut]

Thanks again, your videos are informative, helpful and your descriptions of circuit paths etc are very easy to follow. Regards Steve.

[@dwtees]

Another great video. Yes a nixie tube counter/display would be awesome.

[@GiorgioFirpo_IU1BKT]

Thanks Paul, another great lesson and a very interesting video on how to upgrade old apparatus..

[@gregorythomas333]

I am totally with you on using a 2-line cords only...it is my preference as well. People forget that the ground is connected directly to the Neutral line at the breaker panel. If there is an issue elsewhere in the house...or even on the incoming mains lines...you can have a very bad day. Not to mention that the older cords are usually not polarized...with could mean the hot being connected to ground.

[@sixgunm]

Paul it would be great to build a frequency counter from scratch. Outstanding as always Thank You 3

[@daleburrell6273]

...what would be the point?

[@AJMjazz]

Great Video, Paul! I picked up an EICO Signal generator at a hamfest last fall and you have give n me some great ideas on the restoration of that unit. BTW, the buffer mod is a 2-thumbs-up from me. Thank you for your meticulous attention to detail. 73 de KA2EMI

[@Zone1242]

Another great video Paul, many thanks. I really enjoyed it and learned along the way. I'll add my vote for the nixie tube frequency counter - would definitely have a go at that! Cheers, John

[@douglasporay4715]

Great video, Paul. I have an E200C from my father and cannot wait to incorporate your modification. Doug

[@MrCarlsonsLab]

Great to read Doug! Keep us posted.

[@MyMIXmedia]

Nothing but relaxing to hear about this electronics shit. All the technical terms and when he shows the diagrams and talks electronics jargon etc.

[@georgegherghinescu]

Nice restoration, these old generators look great! Dials and knobs, no buttons for me thank you very much! An easy to build counter for the next video would be a good idea. Can't for the next video what ever it will be about :)

[@wildonpriddy1800]

Great restoration,your videos are professional! Thanks

[@bills7115]

I very much enjoy your vids. Learn a lot I wish I had a tube receiver or a tube anything Love the smell of the warm tubes. I love the a reason to use my new Soldering Iron Please do a series on building a Nixie Freq. counter. Put as many bells and whistles in it as you wish, as far as I am concerned. Paul, Thanks for all the vids and the way you do them.

[@rollerbald]

Beautiful work as usual Paul. You always inspire me to do better work on my old equipment and homebrew projects. 73, Bill KC5SB,

[@MrCarlsonsLab]

Glad your enjoying Bill!

[@garybevis8691]

Hi Paul and everyone, I am currently restoring my own vintage rf signal generator, an RCA model WR-50B and I have another method of restoring the white stripe on any knob. I use a white paint marker pen. They are available at good hardware stores and welding supply shops. The paint will wick into the groove most of the time and just wipe off any excess with a clean rag. You can get other colors too for guitar amps and for that custom look.

[@MrCarlsonsLab]

Thanks for the tip Gary, I will have to try that.

[@cdrive5757]

Very enjoyable as always. One note though. At about 1hr -10min you termed your wire bundle "loomed" or "looming". It's actually called "Lacing" done with "Lacing Cord". Wakodahatchee Chris (WA2ERQ)

[@cat-lw6kq]

all hand assembled & done with pride.

[@CharlieTechie]

Well Paul, you did it again. Wonderful project, I learned a lot, and I am always amazed at you knowledge and design skills level. Thank you once again.

[@MrCarlsonsLab]

Thanks Chuck, glad you enjoyed!

[@Maadhawk]

The restored case looks fantastic in the video, perhaps it didn't look good at time of filming through the camera, but the final video, does show how good the case now looks.

[@totallysmooth1203]

I have a Hickok 288x military version. I went ahead and put in a 3 prong cord as well as a recap job, alignment, and printed a new frequency scale. This Supreme looks like a sweet little machine, but I tink the 288X is probably a better machine. Although I do like the mod control and AVC control that my Hickok doesn't have. Thanks.