diy amp

Hello all! I want to build a good tube clean amp from scratch! What aspects should I consider? Would KT88s help in that matter? The reverb deluxe seems to be a good starting point, any other cool clean topology suggestions will be appreciated

Hi all! I pulled a banged up Blues Junior out of trash heap a while back. It's got a nice cab, speaker, and the chassis and transformers are good. The boards are all gone. So! What should we build? I think I may get the kids involved to help as a learning experience, but obviously I'd like to...

Hi everyone; Grabbed these two for a few dollars. They're metal but I couldn't get continuity anywhere. They are kind of chewed up but it would be fun to make something out of them. They are 7.25x5.25 inches and three inches deep. Headphone amp? SS reverb or trem unit? Whatever happens, I'm...

One of my 1-channel AB763 amps still has some hum. I know it's got to be some sort of build issue because the 2nd one of these I built doesn't have the same problem. I'm trying to go about it more as a process of elimination trying to find what is causing the hum. I've tried a hundred and one...

A 50th, so the plan for this sit-on combo build is part of a set: * my old 1987 Made in Japan strat pick board change, swapping the original pick guard with it’s original hardware for something more chug and scream. I’m thinking that building a SSS seymour duncan (B)Hot Rails, (M)DuckMucker (N)...

Any help would be greatly appreciated. What webistes or books etc. can i learn to build my own 5w tube amp to sell eventually? I see if i copy other amps schematics and sell them i can get sued. I am trying to build my own version of the old pignose 7-100 or the dwarf amps but a 5w TUBE AMP...

I was given this by a good old friend a couple of decades ago but for the life of me can't remember what amp it was for. From all I can recall, it may be of a mesa boogie clone or a soldano maybe. Could be a long shot but can anyone recognize what amp is this for just by looking at the empty PCBs?

I'm building my first amp and I'm loving it! Well, besides the times that I'm hating it. I'm going through the start up process after finishing the wiring, and I've got both the 12AX7 and the 5Y3 in place. When checking the R7 and R5 points (On Rob Robinette's diagram, maybe that's how they are...

I recently finished putting together what is now my 4th amplifier build, a RobRob Blackvibe Micro head with a solid state rectifier. I used a Hammond Lunchbox chassis. I wanted to keep the control panel layout the “normal” way (i.e. inputs on the left), so my layout was mirrored. This caused me...

I remember looking at the Norlin Lab Series guitar amps when they came out back in the 70's, our favorite music store had a big display of them. Much later I found out the Lab amps were a solid state amp designed by Robert Moog and a favorite of BB King, among others. I saw some built units on...

Hi all, new guy here, but quite some time building amps for a hobby. I've done a few 18watt Marshalls playing with VVR, a 5e3 with reverb, Deluxe Reverb, restored a nice 1966 Dual Showman, changed the guts of a 1978 Superbass to 1967 Spec with turretboard and mustards... so i've got some...

Getting set up to start a little champ build over the holiday. I've drawn out my layout make sure I have it well ingrained in my head: There are a couple of things I may add. I may need to do a virtual tap on the 6.3v. It'll depend on what the PT looks like on arrival. Mojotone says the PT...

Howdy Folks, I am finishing up a build of a 6G3 brownface deluxe, but am having an issue that is vexing me. So I humbly ask the gurus of TDPRI for some input. When using the tremolo, I am hearing some faint distortion that almost sounds as if it’s “behind” the main guitar sound. The more I...

I built a 5E3 head a couple months back. Built a 2x 10 cabinet for it with Weber 10F125 speakers. I wanted an amp for rehearsals and small shows when that’s possible again. Sounded great. Just finished a 12 inch cabinet with a Weber 12A125A in it. This sounds almost too good! Is it the 1x12...

Hello! Thanks to this wonderful forum, over the last two years, I've been able to enter the amp building community. I've finished about eight builds now, and, with each one, I've gotten better and better. The other day I picked up a Super Twin/Studio Bass chassis for next to nothing. No...

Reading many of the threads here that revolve around various tube amp projects lately, I've noticed some things they seem to have in common. With the proliferation of build-your-own-tube-amp kits and pictorial layouts available via the internet, there are a lot of people tackling guitar amps...

The tank is - I think - from a transistor Marshall. Either that or a Blues Jr. My parts stash is not perfectly documented. # is ??B2C1D as far as I can tell. 3 springs, Accutronics. 8DB2C1D seems most likely, so a Marshall it is. 8DB2C1D Type: Short (3 Spring) tank Decay: medium decay Input...

Greetings to all. I have one question about what would happen (if it could be done) if the bass potentiometer of a 5f6A or ab763 tonestack was connected as a potentiometer and not as a variable resistor. Here I leave the schematic and layout.

Greetings, First of all forgive me for making a new thread for this nonsense but I killed myself searching online and I get nothing. I want to know the following; If I have two capacitors in series but in the middle I have a resistor to ground is it still in series? will it divide the total...

Hi all, I recently came into possession of an old Philco radio (Model 39-25 from ~1939). It definitely has seen much better days and I have no interested in restoring it. I was hoping I could harvest parts (transformer, tube sockets, chassis) for a DIY 5F1 Champ build. Below are some gut...

I'm ready to dive into my first full on build with a little champ and have seen a number of different options for ordering kits bounced around. I'm inclined to go Mojotone since I've never heard anything bad about them, but Weber is another one I see around amp building circles fairly often. Is...

Hello there. First time posting on this site, but have been visiting for some time now. I have a Fender Super Champ X2 that stopped working. From what I have read online, the problem is a bad DSP board and it can't be fixed/replaced. So I have the following questions: 1. The amp has a clean all...

I've been fiddling with the DIYLC app. Fun! My introduction to understanding amps was researching mods for my Blues Jr and studying the Billm (rest in peace bud) website and I remember really wanting a layout for these amps. I'm a visual learner and PCB's are hard to learn from above. I later...

1) This one adds a reverb circuit. It has a solid state rectifier. I don't think the AO-29 has a reverb transformer. http://www.solorb.com/elect/musiccirc/hammonator1/ 2) This is the more elaborate model, with an Arduino LFO tremolo/vibrato feature...

Friend of mine's grandparents are having an estate sale and this is one of the lots. Thought of you guys for it. (Vintage Tube-tester) https://www.k-bid.com/auction/19863/item/247?offset=246