I just built a Marshall JCM 800 2204 Clone. "PTP". Amp works great. No issues. I have been adding some little mods to it to tailor the amps sound to my liking. "Nothing to serious". A few components changes. A cap here a cap there a resistor here a resistor there. Then I got to thinking. I wish this thing had my 1966 Fender Blackface Ab763 Supereverb - Reverb. "Just the reverb". That would be awesome. So I started looking on the net. Yea! not much out there on the subject. A little on Rob Robinets page. That was the best I found. For adding a Princeton Style reverb. Most people are saying on the forums to get a peddle or a reverb unit or add a loop. No! I don't want any of that. I want to actually add the tubes and circuitry in the chassis and the springs tank in the cabinet and a knob on the face of the amp.. So my question is can someone point me in the right direction on how to accomplish this task. I will build another whole amp if I can figure this out. What I need is a correct point to point layout and a schematic of the circuit and any hazards to watch out for. Can the PT handle the two tubes added? The 12AT7 and the 12AX7? How do I power the Reverb transformer? I think you see where I am going with this. I need an Electronics Engineer who loves to build amps. Oh and I do not want to send it in to a shop. I want to do it myself! I've been building amps for a while now and doing some repairs also. But I'm no engineer. I am a DIY guy. Who's the GURU?. Who can help if they would please? Thanx!!!!
Me_ If your curious: https://www.youtube.com/channel/UCUmpdi ... tlyD5tJVLA
Can it be done? Electronics Engineer please?
Moderators: greatmutah, GuitarBilly
- ajaxlepinski
- Crystal Lettucer
- Posts: 23723
- Joined: Sun Jul 21, 2013 12:35 am
Re: Can it be done? Electronics Engineer please?
I always wanted to put an internal spring reverb into my Hi-Tone (Hiwatt DR102 clone but, I was never able to find any kits that accomplish this.
I even asked Hi-Tone to do it, and I offered to pay extra, but they declined.
Schematics, for Fender and Sunn amps are all over the net and sourcing parts and building the reverb circuit isn't too difficult.
As you know, the issue is doing the necessary math and designing the circuit update, to make it work.
You're talking about several days of work and no one (who is capable of doing the math and design) is going to do that for free.
Additionally, even if someone works it out on paper, there may be additional diagnostics/adjustments that wlll have to be to be made, once the unit is soldered in place.
There are a few guys at GAB that have the ability: Racing, Zozobra, Greatmutah, RiffRaff, FourT6and2, Mortatone and one or two others.
You can try sending each a PM. They are all nice guys but, you'd be asking a lot of them.
The next best thing is to get one of these: https://reverb.com/p/fender-reverb-unit ... id=6357918
If your amp shell has enough room, you may be able to put the Fender Reverb tank/circuit inside your amp, by attaching it to he Guitar input jack and powering it off the amp's mains.
I even asked Hi-Tone to do it, and I offered to pay extra, but they declined.
Schematics, for Fender and Sunn amps are all over the net and sourcing parts and building the reverb circuit isn't too difficult.
As you know, the issue is doing the necessary math and designing the circuit update, to make it work.
You're talking about several days of work and no one (who is capable of doing the math and design) is going to do that for free.
Additionally, even if someone works it out on paper, there may be additional diagnostics/adjustments that wlll have to be to be made, once the unit is soldered in place.
There are a few guys at GAB that have the ability: Racing, Zozobra, Greatmutah, RiffRaff, FourT6and2, Mortatone and one or two others.
You can try sending each a PM. They are all nice guys but, you'd be asking a lot of them.
The next best thing is to get one of these: https://reverb.com/p/fender-reverb-unit ... id=6357918
If your amp shell has enough room, you may be able to put the Fender Reverb tank/circuit inside your amp, by attaching it to he Guitar input jack and powering it off the amp's mains.
1969 Sunn Solarus ● 2x 1980's Randall RG-80 ● 2013 Hi-Tone HT103-DG (Best Rig 2014) ● 2015 Mortatone 12/15 Cab w/EV SRO's ● 2017 Jubilee ● 2019 Ceriatone Model Tee ● 2019 Randall Diavlo ● 2020 VHT D50 Dumble Clone
Walt wrote:But when the hour is nigh, and the lights are low, and I got a little toothpick of a shwag joint in my teeth, and my friends want to hear me play "Into the Void", or "TNT", "or "Cemetery Gates"...I plug my 600 dollar guitar into my 150 dollar amp, and I am a Rawk gawd.