Build your DREAM AMPEG style TUBE BASS AMP (for half the price)! KLD BFLEX 25 DIY portaflex kit

  Рет қаралды 80,495

Guns and Guitars

Guns and Guitars

Күн бұрын

Пікірлер: 184
@Terribleguitarist89
@Terribleguitarist89 3 жыл бұрын
Typically on a bass amp the "active" "passive" inputs just means the former has a pad to prevent clipping in the front end of the amp... sort of like the high and low inputs on guitar amps.
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
Yup, but that’s not the case with this amp. It’s more like a rhythm and lead input
@dmoore0079
@dmoore0079 2 жыл бұрын
very easy to do by installing a switch with two different resistor values for setting input gain.
@morenoteslesstalk
@morenoteslesstalk 3 ай бұрын
Superb video, I can see a summer project for myself there. Bass tube amps are indeed underrepresented. I did a video on my rare Italian amp that's turning 50 this year, and it has been my reliable companion for 4 years. The rich, warm tones it produces are unmatched, and it performs beautifully with any instrument. Transistor amps are great too, but they'll never really be my soft spot. Your video really brings out the importance of these amps. Great job and keep it up!
@michaelb.42112
@michaelb.42112 3 жыл бұрын
SO good to see you back, Dan. Tired of seeing $3,000 basses with the "Wow, what a steal !" under it. I love the VU meters and the tarp to paint on is a great idea, too ! The truck bed liner paint is PERFECT. I'd try a 410 instead of a 115. I thought you said 250w, not 25w. For a tube bass amp, that's about the bare minimum.
@alphanumeric1529
@alphanumeric1529 3 жыл бұрын
Yeah, my 25 year old 500 watt Carvin head and full stack was like a megabomb back in the day, but nowadays, 500 watts is like preschool level power! At least for bass head power. This head SOUNDS amazing. And truthfully, these days, aren't we recording more than playing out? If I turn up my Carvin, I get angry calls from the USGS... I'd like to be able to record with this head, I'd turn it right up to the break up point, and let my playing technique take it over into break up on peaks, all without triggering local seismographs (and the neighborhood's dogs).
@bucketofham8470
@bucketofham8470 2 жыл бұрын
@@alphanumeric1529 i had an old crate b150 that was 150 watts by itself (already loud for anything I would use it for) but my dumbass self bought a matching extension cab that boost it to 300 watts coming out of 2 1x15's. Loudest amp i have ever owned. I gave it to a friend who cranks it in his bedroom with the cab. I think he's gonna go deaf lol
@louisaccardi2268
@louisaccardi2268 3 жыл бұрын
As teen in the 1960s many lead guitarists in bands used the Ampeg portaplext with an added Altec Lansing twelve inch speaker in it. I myself used a Fender bassman amp from the early 1960s that had 2 twelve inch speakers and two channels. I played lead guitar though it like many others. It was a great amp and so was the Ampeg portaplex bass amp. I was also great for bass, of course.
@MrDucehands
@MrDucehands 3 жыл бұрын
Dan. You're a man after my own heart. I love a cheap , quality toys. I've wanted a tube amp for the longest. I just purchase a bass to mod and this may be my next project once the bass is complete.
@Stev0BabaGhanoush
@Stev0BabaGhanoush 3 жыл бұрын
Seems like a fantastic studio amp, for bass or for guitar. That grind you got out of it was pretty stellar sounding!
@muhammadhisyam6072
@muhammadhisyam6072 3 жыл бұрын
Hey, do you think you can build a battery powered solid state amp(head or combo)? I would love to see what you can do with it! I love these type of DIY Amp videos🤘
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
You can build small cigar box type amps that run on battery power. But anything this big, I’m not sure you’d want to carry a car battery around with you 😅
@MrFedoss
@MrFedoss 3 жыл бұрын
DIY guys usually take class D amp boards (like TPA3110 or any other, it depends) and put a preamp before it (it may be board or pedal). Amp may look like an Electro-Harmonix 22 Caliber (pedal) or head/combo, as you wish to make it for your use.
@snap-off5383
@snap-off5383 3 жыл бұрын
The first thing all amps do is convert the AC to DC. Pretty much any amp could be run from battery, only variable would be duration. Some amps use 40 volts dc and for sure +15 and -15 for the opamps so you'd need a higher voltage battery than a car battery.
@ciddax754
@ciddax754 3 жыл бұрын
That is a beautiful stack and those speakers are complementing their sound beautifully.
@diopappa
@diopappa 3 жыл бұрын
Hi @Dan, another great build you made! Sounds awesome. But there are some misconceptions (if I can tell you, ofc I don't want to teach you bdw): 1) passive/active inputs: I don't know if in this kit they are swapped but generally passive input is the normal one, whilst active one is attenuated by 3 or more db. This is because active pickups are hotter so if you plug in as is it would make the amp distort faster. 2) 6v6/6l6: they are output tubes. They comes from the same type of tubes, so very similar sounding, the main difference is the output power: 6v6 are able to drive more power, so ampeg model I guess it was rated maybe 60 to 120W? The same thing you would see in Fender guitar amps, or similar, in which output power is set using multiple tubes or swapping from 6l6 to 6v6. 3) I would have used a decoupler, like an op amp, to decouple your voltmeters, because this way I think you are introducing a load effect either in input or in output. In input it can distort a bit your signal because of the linear nature of the spring load meter, whilst in output it would change at least the impedence of DI out which is a bad thing because you want it fixed and perfect since you tipically use it to record. 4) maybe your first speaker is rated to a high power. It's important not only to match impedence but also use a power that would not exceed power limit ofc but that is on the same range, otherwise you would not have enough current to run correctly your speaker and I guess that's the case. You can make a similar trick of what you made, making less impedence making two in parallel but using the same output port. For example have the speaker parallel to 4 ohm and still using 8 ohm out. This way you are sorta doubling the current you gave to your speaker, just don't do further because you can ruin it. I drive a 4x12 rated 400w with a 8w amp using this trick. Anyway, great job Dan, I appreciate your videos!
@MrDaveKC
@MrDaveKC 3 жыл бұрын
As always, very interesting Dan. I've definitely got to check out the amp kits. The Utah bass kit is certainly interesting. I love that you can make many different things out of it.
@Nilej17
@Nilej17 2 жыл бұрын
As a college student this changes the game
@jeffyoung8726
@jeffyoung8726 3 жыл бұрын
Holy crap Dan! Even better sound, I think? But I kinda knew you would(very)quickly make the second cabinet? Glad to see that you did. A WORLD of difference, in my opinion!
@jomamma1750
@jomamma1750 3 жыл бұрын
Nice little acoustic/coffee shop rig! Would like to see a 300 watt version (he he he!)
@bevinmodrak4997
@bevinmodrak4997 3 жыл бұрын
Awesome! May build one of these. I'll bet with a little research you can figure out how to add a bigger transformer and add the extra 2 tubes to make it a 50w. Thanks for this!
@lawrenceholmes55
@lawrenceholmes55 Жыл бұрын
I absolutely love that amp head it looks like it goes right along with the bass cab it's really a nice little set up like you bought it out the store
@chrisjames_official
@chrisjames_official 2 жыл бұрын
The active and passive is for active and passive basses. That's why it's thinner sounding. My Stingray 5 runs on a 9v (active) and P bass is passive and the tone is totally different. Try getting an active bass through that input, I'm really interesting to hear what you think of the change in tone but I wouldn't put an active bass through the passive input as you'll overload the circuit and it will sound all gainy and crappy (plus you will probably damage your unit). Good luck brotha! Enjoying the content 👍
@jeanlawson9133
@jeanlawson9133 Жыл бұрын
Outside the box... no punn intended 😎..... That is a sick looking set up..... those Vu meter would look awesome 😎 with lighting... colored lights....
@Furtheronmusic
@Furtheronmusic 3 жыл бұрын
Certainly looks and sounds a keeper. Regards on stage use with the di out you can easily feed that to foh if using a big enough pa whilst you are keeping on stage Vol manageable
@joesharpe7685
@joesharpe7685 3 жыл бұрын
As a note on the passive/active inputs. They can actually be very useful. In my band the bassist has a passive and an active bass. On his amp head it's just a switch and not two separate inputs. But it's really handy when he switches because you can balance the levels between an active and passive bass super easy, without messing up the sound and annoying the sound guy haha
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
I guess I didn’t explain this well. I understand what active and passive inputs are. These inputs are really just like rhythm/lead inputs. The active input should be lower to compensate for active pickups. But that’s not the case. The active input here boosts the signal, overdrives easier, and cuts bass. It really is just a lead channel.
@joesharpe7685
@joesharpe7685 3 жыл бұрын
@@GunsandGuitars ohh got you, yeah I had an old FAL bass amp with a bright and normal, had a low cut on that channel and Guitars actually sounded great through it. Yeah I take your point on not using it, amp sounded great the way it was!
@peadookie
@peadookie 3 жыл бұрын
As someone with a father-in-law missing fingers from a similar circumstance, @1:58 gives me the chills
@CyberChrist
@CyberChrist 3 жыл бұрын
Lessons learned ;)
@_mysilentblue2227
@_mysilentblue2227 3 жыл бұрын
Sounds great that's for sure. Nice that they all stack up.
@randr10
@randr10 2 жыл бұрын
I'm not a bass player, but I love the tone you get from the amp recording you play at the end there. Reminds me a lot of the sound the bass player from Cake has. Not sure what he plays on, but always loved that sound. The way it bumps it's almost like a horn, which is really cool. My main instrument is guitar, but I picked up a drum set in my late teens and added that skill to my repertoire. The only thing I need to complete a band and do full recordings at home is the bass. I have an old Squire P-bass I'm going to try to learn on. I also have an old silver face Bassman Ten I inherited from my father that I used to play my guitar through with an MXR Equalizer and Boss OS/2 overdrive distortion pedal. I loved that thing for power chords because it sounded like the they were bouncing. Not a great setup for playing solos though. Too flat and not enough gain. We'll see how it sounds with a bass through it.
@christianscott6963
@christianscott6963 2 жыл бұрын
That's the perfect stack for those coffee shop metal shows
@allenmitchell09
@allenmitchell09 3 жыл бұрын
You could put a uv meter on your amp so it doesn’t get sunburned ☀️
@guitfidle
@guitfidle 3 жыл бұрын
Oooo, I really like the sound of this monster!! I got one of their kits after your last KLD build video.... and haven't gotten around to building it yet 🤣🙄💩💩 I do have a vintage Silvertone bass amp model 1483 that's 23 watts, and I totally agree. Not quite big enough for live settings. This inspired a bit of a hybrid build- I am making a bass amp with a Portaflex front end but with a 60 watt power section from a pair of 6550s. I already have the power amp section I'm pulling from an old Bogen PA amp, complete with a chunky output transformer. Theoretically it should sound about as close to a real Portaflex as your KLD here. (although interestingly the classic Ampeg SVT uses 6550s, so...)
@TriodesPs111
@TriodesPs111 3 жыл бұрын
"id love a 50 watt version of this" well two 6L6s usually make 40 to 50 watts of output the fact that your only getting 25 watts from them is sad cuz that means the circuit is designed to run them really cold or really inefficiently to get 25 watts out of tubes that can make 40 or 50. if it were me id just change the power amp circuit to get around 45 watts out of them and change the output transformer to handle the higher power if needed. but i know you dont know as much about amp modding. tho you prolly could try to learn to mod it by getting the schematic and post it to a amp forum site and ask some builders how you can get more watts out of it
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
I was thinking that two 6l6’s should be more powerful. This is very interesting to me. I’ll see if KLD will send me a schematic, then maybe I can mod it for more power!
@phatbassanchor
@phatbassanchor 3 жыл бұрын
@@GunsandGuitars You should be getting 50 watts just by running at 4 ohms. But, the more powerful tubes rated at 50 watts should get you up to 100 watts at four ohms. THAT is a gig worthy set up, even with a heavy handed rock drummer! Hahaha ;D
@pdiddley7597
@pdiddley7597 3 жыл бұрын
Btw, correction: they took 7027 and 7059 output tubes, but would work in a pinch .
@arlo0011
@arlo0011 Жыл бұрын
As a retired amp technician who worked in a music store in the 80's and 90's and worked on all brands of tube amps, I would have thought you already have nearly 50 watts by using a pair of 6L6's.
@hoborec
@hoborec 3 жыл бұрын
Would have loved to hear more of the overdrive 🤩
@CARL557511
@CARL557511 2 ай бұрын
I've e been experimenting with 6jh5 beam triodes. Built a mono block amp and it's still working, need to make a video of it for here.
@larry6686st
@larry6686st 3 жыл бұрын
Should be able to play with that thing live. Use the DI output to plug straight to the PA and have the sound guy put you through the monitors to be able to hear your bass better
@Emily_M81
@Emily_M81 2 жыл бұрын
Oh damn, this is cool. And despite the current tube issues I have a guitar head with 5-6 JJ 12AX7s and 4 6L6s in the closet >_> They were installed a long time ago and never used.
@nicothebassdude
@nicothebassdude Жыл бұрын
Good call on no tweeter in the bass cabs. This is the way.
@electron7373
@electron7373 2 жыл бұрын
It would be cool to have the VU meters luminated with colored LEDs. A little tricky to do but would look great.
@jimcatanzaro7808
@jimcatanzaro7808 Жыл бұрын
Leds sometimes causes high-frequency noises they kinda sound like aliens
@electron7373
@electron7373 Жыл бұрын
@@jimcatanzaro7808 Never heard that one? Do you mean when they are being controlled by a microcontroller - PWM signals to control brightness?
@michaelbolduc7194
@michaelbolduc7194 3 жыл бұрын
Ok..... I'm inspired..... Now I gotta start building amp kits...I wanna look into modding a kit though to make it my own....I wonder what trouble I could get into?????
@beat_avenger
@beat_avenger 2 жыл бұрын
This tuner isn’t very accurate but it looks really cool and that ads a lot of value. More like buy your dream cabinet but that grille game out tight. The whole stack looks great, this is a very cool build. Gonna peep your cab build next.
@GeoffBosco
@GeoffBosco 3 жыл бұрын
"Do you see it now?" I saw it as soon as the top went up on that box. 🤣
@andymetz709
@andymetz709 2 жыл бұрын
How did you mount the amp in your enclosure? just by the front screws? I have one of these and am building an enclosure. The mounting holes on the chassis are threaded for a machine screw - but your video didn't show how its mounted in the box. can you explain what you did? My Thoughts/notes about the amp: it sounds great, but the tone stack sucks. After putting a MXR 10 band EQ pedal in front of it, it can really be dialed in to good sounding tone. I have had the best recordings from it with a 16ohm speaker. My next steps with it are to add in a master volume (to drive the preamp tube a bit more) and hopefully clean up the tone stack to something usable. For the price, this amp kicks ass, however, after new tubes and material for an enclosure, it was closer to 400$ total cost. I might have opted for the ampeg Micro-CL stack, at just 100$ more (than my total cost) - although solid state, it sounds really good for recording. I might get one anyway. This amp is awesome in its own right, and is completely repairable/ customizable by a knowledgeable technician. That's something you can't get from a solid state, IC based amp.
@ColeRambaldi
@ColeRambaldi 3 жыл бұрын
UV meter is absolutely needed too. For outdoor filming.
@morris9225
@morris9225 3 жыл бұрын
Hi Dan, the Amp sounds great, but as you said, it's good for recording for sure. 20 valve watts are a lot for guitars, but not for bass obviously, but in a live if you have the right service, you can afford on it. Good stuff, and you as always great and smart. Final, hope to see the Dan Rick bass 🤭😜
@timmysvensson4902
@timmysvensson4902 3 жыл бұрын
Pretty cool! I tried part a Traynor YBA3a cusrom special awhile ago. But could not find suitable transformer. Really love the net on front btw, might do that on current build
@rhamphorhynchusmetal2038
@rhamphorhynchusmetal2038 3 жыл бұрын
Nice. But I've always wondered... which is the difference between a tube bass amp and a guitar tube amp? Transformers? Condensers? EQ section? Creaaak creaaak
@goodgoat3096
@goodgoat3096 3 жыл бұрын
If you could use a speaker that is 3 db more efficient, that would be the same as doubling the power of the amp. If I remember correctly, the Fender Super Reverb amp used 6L6's and put out 40 watts into 4 10" speakers, an 8 ohm load?
@zacheryhunter590
@zacheryhunter590 2 жыл бұрын
Super Reverb is 2 ohms!
@1thess523
@1thess523 3 жыл бұрын
That amp sounds sweet!
@freesk8
@freesk8 3 жыл бұрын
Dan, you do really cool projects! Thanks! :)
@Dewydidit
@Dewydidit 3 жыл бұрын
Use it as a 2 stage amp by adding a transistor power amp to power lower cab at about 400 watts.
@1TEDSong
@1TEDSong 3 жыл бұрын
Looks and sounds great. Keep up the great work.
@felixnospam37
@felixnospam37 3 жыл бұрын
Yooo what about that danelectro-style bass you played at the end?
@rafaelallenblock
@rafaelallenblock 3 жыл бұрын
You know what kills a solid state amp? A direct short across the output. You know what saves your vacuum tube output transformer without a speaker plugged in? A direct short across the output. Having multiple output jacks precludes that ability to simply use a shorting output jack. It should have a selector switch and a proper output jack.
@MrGwg11
@MrGwg11 3 жыл бұрын
One of a kind.... Great work! now wright some walking lines and get that kitty purrin'
@Falasi4
@Falasi4 3 жыл бұрын
I like it a lot but I fall into the category now of not needing amps. Just going through pedal (Sonicake boom) straight to pa and using in-ear monitors. Similar for guitar/mandolin. Amps (for me anyway) have just become a heavy extra piece of possible failure points that I can't even hear with in-ears.
@willfowler8540
@willfowler8540 3 жыл бұрын
2 videos in more or less a week. I built jazzmaster, I want you to see it haha, might send you a message through patreon so you can see, I used your wiring diagram so thank you so much!
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
Glad to hear it worked out! Please send me a pic I want to see it!
@donavonpetersen
@donavonpetersen 2 жыл бұрын
Are there good instructions of setting the bias included?
@joshuajayolorozo8455
@joshuajayolorozo8455 2 жыл бұрын
Just change or swap the output transformer to a bigger or higher output transformer to achieve more power output, and add more output tubes in pair
@russellzauner
@russellzauner 3 жыл бұрын
With them VU meters I dub it the Ashpeg (the Amdown sounds dumb).
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
Love it!
@electron7373
@electron7373 2 жыл бұрын
It looks awesome.
@benvin10365
@benvin10365 Ай бұрын
Sweet Rig!!!
@jonsnothere84
@jonsnothere84 3 жыл бұрын
Is there a SVT kit somewhere? been looking for one forever!!
@EXSENTRIX
@EXSENTRIX 3 жыл бұрын
Killer rig man! 🤘🏼💀
@rodanone4895
@rodanone4895 3 жыл бұрын
+1 on the Ashdown comment. awesome all around imo as well. and you always know by the look.
@74dartman13
@74dartman13 3 жыл бұрын
Nice work, as always!👍😎🎸🎶
@randyhaney5767
@randyhaney5767 3 жыл бұрын
Nice Amp. indeed, Cool stuff. Thanks Dan.
@_snaggs6248
@_snaggs6248 3 жыл бұрын
love this build. Nice work
@troythompson1621
@troythompson1621 3 жыл бұрын
I would like to see a flip top single 10 amp and cab
@HomeGuitarMods
@HomeGuitarMods 3 жыл бұрын
Would love to try some KT88 power tubes in this.
@andymetz709
@andymetz709 2 жыл бұрын
I just bought this amp in January, and had my friend who is a tube amp tech look at the schematic (schematic is available on the website under the kits section) and it says it can handle KT88s, but my tech said the circuit doesn't provide the plate voltage needed for those.
@renebustos87
@renebustos87 3 жыл бұрын
Amazing video! Fantastic stack you have there! And is that a Ricky i spied? 🤔
@kimfaucher007
@kimfaucher007 3 жыл бұрын
Great video! I have been looking for DIY bass amps for a while. Not many companies offer them because of the danger of getting deadly electric shocks if you screw up with the capacitor and resistance wiring… Still, I was wandering if it would be possible to add a pod for the mids and/or if you can customize the pods that are already installed in this kit…
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
I do wish this kit offered a pod for the mids. That’s one thing I meant to mention that the portaflex has that this doesn’t.
@adamdavenport6421
@adamdavenport6421 11 күн бұрын
I have a question about monotone bass guitar amp kits
@williampringle2307
@williampringle2307 Жыл бұрын
Is the active input for a bass with active electronics with a higher output?
@elmanitasdeplomo
@elmanitasdeplomo 2 жыл бұрын
Seems cool to have a valve amp for so little money. But what’s holding me back is that it doesn’t have both volume and gain knobs.
@iggynub
@iggynub 8 ай бұрын
8:30, well yeah mate - You wanna crossover the woofer lower and let it not handle those higher frequencies, and let a nice horn based tweeter tackle the higher frequencies. Lets the woofer articulate the lower frequencies better.
@bearwilliams9226
@bearwilliams9226 3 жыл бұрын
Love these videos!!!
@jasonfifi
@jasonfifi 3 жыл бұрын
if you got another head and used an ABY to split, i bet you'd get more total headroom. even easier would be just using the DI output into a powered PA speaker or some other clean power.
@phatbassanchor
@phatbassanchor 3 жыл бұрын
50 watts? I'd need a 300 watt SVT clone! Hahaha ;D But, those are heavy bricks! At present, I have an ultra-light Acoustic brand short stack with twin 1x12" neodymium magnet speakers and a 300 watt digital head with a tube preamp. Love it! The cabs weigh in at about 25 pounds each and the head is like 5 pounds! Great tone at any volume from bedroom to concert hall! Fits in any car, even a mini-Cooper or a Prius!... not that I'd be caught dead in a Prius... Hahaha ;D That's why I mentioned the big SVT. My little digital amp is just as powerful as that 80 pound SVT Classic! Gotta love technology :) Enjoy the new toy, brother. Considering that you are running this stack at 4 ohms, you should be getting 50 watts already. But, a 50 watt model in the same configuration would give you 100 watts. So, I do get your point. Personally, I have a Fender Jazz and a 5 string active Jackson. The fiver is to keep up with keyboard players and the 300 watt head is to keep up with the drummers! Hahaha ;D Never been a fan of keyboard players that step all over my bass lines or drummers who do not understand the concept of dynamic contrast. Drummers need three things... groove, meter and dynamics. And, I'm officially rambling again! Adventure ever on brother, Phat :)
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
When KLD asked me what bass amp they should model for this kit, I told the the SVT 300w or the Mesa/Boogie 400+ haha! They laughed at me, and came up with this portaflex clone instead lol
@phatbassanchor
@phatbassanchor 3 жыл бұрын
@@GunsandGuitars Both are amazing gig worthy amps. TBH, the amp in the Ampeg Rocket Bass combo would work well for this rig at 200 watts. But, the only way to get one is from the 1X15 combo AFAIK. Gotta watch the ohmage when amp shopping. Some give the wattage at 8 ohms, some at 4 ohms and others at 2 ohms. Ampeg generally gives wattage ratings at 4 ohms for some of the smaller amps, like your portaflex... those are listed at 8 ohms... I think. That makes your amp 50 watts in your 4 ohm set up. Take my old solid state Rickenbacker head that I had all through school... rated at 120 watts and it drove the two Electro-Voice speakers rather well at 8 ohms. But, she was a stereo amp that was actually intended to run at 4 ohms in stereo! Now, I never ran any stereo effects. But, I did drop the big 2X15 EV cab for two old Acoustic brand 4X10 cabs and that Ric head really cranked! In fact, those 4X10 cabs were the beginning of the phatbassanchor tone as it still sounds today. Phat tone from my bass that anchors the band. That is the origin of the screen name I've had since myspace and email first appeared on this cool new thing called the internet! Hahaha ;D But, the actual tone was born the day I first tried running two 4X10 cabs at 4 ohms. I'm sure you noticed the rich bottom that you got when connecting the second 1X10 cab to your mini-stack. It's the same with my current rig with the two 1X12's. The tone immediately grows fatter with the second cab. Four ohms is where the magic happens, IMHO. So, I really dig your mini-stack
@alphanumeric1529
@alphanumeric1529 3 жыл бұрын
Hey Dan, the bass man, how'd you run this at 4ohms, into two 8 ohms cabs? Like, physically how'd you do it? God Bless you in all things you do today!
@georgerobartes5989
@georgerobartes5989 3 жыл бұрын
Hi , I'm not sure how I got here but to answer your question , the speakers are run in parallel which halves the resistance, but not the impedance seen by the output transformer. If yout amp has a pair of common connected output jacks at 8 Ohm , just go straight from your jack outs to the 2 speakers and they will be in parallel at 4 Ohm . Parallel halves the resistance. If your building cabinets I recommend a plate that uses pairs of jacks and pairs of speakon connectors. That way you can go from a single 8 ohm out to one cabinet and then piggyback the other . I would add an active sub to this set up and run it from a Direct Out from the preamp . Most home entertainment subs like the old Logitech or Celestions run a 10 " at 175 W . You won't hear it much but you will feel it and it does not matter where you place it . I use a Logitech sub that has a 10" TangBand which are great for the job . The problem with tube bass amps is they should run more metal and copper in the output transformer than a guitar and I use old 30W transformers to rewind for 5W combos . A guitar OT cannot generate the lows that hit the gut and you have to wind them yourself to get down to that 20Hz frequency. It's cheaper to run a sub as a satellite in the band ( like behind the drummer !) to shift the air and shake out those lows , otherwise its my 4 x 10 Celestion ported cabinet I built . The preamp in my bassamp design runs 2 x 2C51s or the cheaper Russian 6n3p-e tubes which are really hi fi tubes but less prone to distort so you can push the amp harder and still have plenty of headroom before break up . Historically none of the classic bass amps e.g. Fender Bassman were bass amps for these reasons and were always used with guitars , which is why most bassamps are solid state thanks to the tube like sound of FETs and no need for a huge output transformer. If you want to build a great sounding bass amp take a look at the late Albert Kreuzer s FET Bassamp . It's pretty easy to build easy on the pocket and has a great following on the Internet with mods . Mine runs a couple of VU meters from a simple circuit , has an inbuilt tuner and EQ, and it works with any slave power amp or direct into PA mixer . My standby 100W head is a 70s HH Bassamp which is stunning to look at and listen to and noise free , but becoming collectable now . I cant think of any 70s band that didn't include a piece of HH equipment.
@chrisn.4136
@chrisn.4136 3 жыл бұрын
You killed me when you sprayed that nice wood with rubber! Each to his own! nice job otherwise.
@markdancer3501
@markdancer3501 3 жыл бұрын
Nice little build Dan. Did you need to make any changes to the cab dimensions for the Goldwood driver, or is it just a drop in substitute for the Emi?
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
I didn’t make any changes, I build the cab to the exact same specs!
@markdancer3501
@markdancer3501 3 жыл бұрын
@@GunsandGuitars Thanks Dan.
@PneumaticFrog
@PneumaticFrog 19 күн бұрын
Where do I get the kit though ?
@iliasliakos6692
@iliasliakos6692 3 жыл бұрын
looks great!!
@leebodean1493
@leebodean1493 3 жыл бұрын
I've looking around for an svt kit, I've always wanted one, but at this point, I'll never be able to afford one. Anyone know of a diy kit version?
@alanlevin167
@alanlevin167 3 жыл бұрын
3 comments: A speaker+enclosure that only goes down to 45 hz may have problems with the notes below G# on the bottom string--will almost certainly have trouble with the low B string of a 5 string bass. This can be fixed by choosing the right speaker and enclosure-paying attention to the Theile-Small stuff and tuning the cabinet. This won't be important if you don't have that 5th string. A 25 watt bass amp will not make it out beyond rehersal--unless you may have a temendously effecient speaker (I've got a JBL K-140 for heavy lifting, and still use a 150 watt amp). The new Ampeg Portaflex head uses 6L6s--as do all of the vintage heads from the B-12, B-15 etc. You can't get more than 22 clean watts out of 2 6V6s in push-pull.
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
All the sound demos I did with this thing were in BEAD tuning, so it hits the low B just fine. But I agree with everything else you said. Don’t get too hung up on the translation of frequency to pitch. There’s so much timbre on an instrument like electric bass that you’ll hear all notes just fine. Similar to how bumping 60hz will also add more balls to an open D string, even though that’s a way lower frequency than the actual pitch.
@saulgoodeguitars
@saulgoodeguitars 3 жыл бұрын
I dig this rig 🤟🏼
@pdiddley7597
@pdiddley7597 3 жыл бұрын
I mean 6L6's work in a pinch, but 7027 and 7059s were what they used
@leebodean1493
@leebodean1493 3 жыл бұрын
Is there a svt style diy amp kit available anywhere that you know of?
@planetlimbo5981
@planetlimbo5981 3 жыл бұрын
Cool ass bass too.
@mechart87
@mechart87 2 жыл бұрын
How do you use two speakers with this amp?
@cristianomaker
@cristianomaker 3 жыл бұрын
Beatiful!
@colbullsigh6823
@colbullsigh6823 3 жыл бұрын
Hey, Brother! Did you forget about the other part of your name? Are you ever gonna do any more GUNS?
@ryanrogers8923
@ryanrogers8923 3 жыл бұрын
Awesome! What size speakers did you use in those cabs? I missed that
@castleanthrax1833
@castleanthrax1833 3 жыл бұрын
I think they're 10 inchs.
@ryanrogers8923
@ryanrogers8923 3 жыл бұрын
Thx!
@1thess523
@1thess523 3 жыл бұрын
Hey Dan do you think painting a head with that bed liner and then painting it would work, do you think it would keep the second color of paint on it? I want to retolex my jcm900 head but it seems kind of a hassle after seeing this video I was wondering if that bed liner with a coat of paint on top of it would work better
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
I think it would work just fine as long as you give it it’s full cure time before painting over it
@1thess523
@1thess523 3 жыл бұрын
@@GunsandGuitars 👍
@reasonablyprepared
@reasonablyprepared 3 жыл бұрын
New subscriber here. Love the content! Found your vid on a lpvo optics review ( I love guns and guitars as well) and then your channel rockinandrollin and lovin that too! If you guys ever roll through Waco TX, hit us up! I will take you pig hunting and then we can mess around on some guitars!
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
That sounds awesome! We were in Waco when the pandemic hit. We will definitely pass through again
@reasonablyprepared
@reasonablyprepared 3 жыл бұрын
@@GunsandGuitars maybe a collab:-)
@reasonablyprepared
@reasonablyprepared 3 жыл бұрын
@@GunsandGuitars Feel free to email me and lemme know when you guys will be rollin through the great state of Texas! Names Joshua by the way:-)
@tarkett8529
@tarkett8529 3 жыл бұрын
General rule of thumb for me on bass is go with at least double the wattage of your guitar players amp, shouldn’t be a problem being heard in a mix then, unless your drummer beats the drums like they owe them money.
@snap-off5383
@snap-off5383 3 жыл бұрын
The cymbals set the volume everyone else must come UP to.
@raybassman7536
@raybassman7536 3 жыл бұрын
Did you try 6550's for the output tubes yet? that would sound more like an SVT tone.
@saveriolipari7143
@saveriolipari7143 3 жыл бұрын
Didn' t sound so good as a "industry" bass head . In the Life ...at this moment of humanity turnaround it' s allright 4 you i understand. I givd my Like.
@Dirge4july
@Dirge4july 3 жыл бұрын
So I see there based in China.. how long did it take to get yours?
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
Less than a week I think, it was shipped DHL. But that was a few months ago, the holidays will slow shipping down a bit I’m sure
@EasyHeat
@EasyHeat 3 жыл бұрын
I bet a regular guitar would sound pretty rad through this.
@phatbassanchor
@phatbassanchor 3 жыл бұрын
That is the same thinking as the original Fender Bassman tube amps. That model is more frequently used by guitarists than bassists! Hahaha ;D Pretty sure you are spot on with your comment. Adventure on friend, Phat
@PauloRepair
@PauloRepair Жыл бұрын
Schematics, please.
@rw9495
@rw9495 3 жыл бұрын
Going in I thought this would be an actual kit you wire up yourself, bit disappointed it's not that. I know how to build a box, I don't know how to wire an amp.
@jettalfaro
@jettalfaro 3 жыл бұрын
Hello... Hope u can Here in philppines
@ryanrogers8923
@ryanrogers8923 3 жыл бұрын
Ooo, the Kld link is broken for me
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
Fixed!
@MetalMan1245
@MetalMan1245 2 жыл бұрын
Yes.
@95FORFREEDOM
@95FORFREEDOM 3 жыл бұрын
Does it come with the tubes?
@GunsandGuitars
@GunsandGuitars 3 жыл бұрын
No you get to choose your tubes
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