So, I built this amp for an old bandmate of mine, into an amp he didn't really like and had a taste for power caps: an ampeg vl-1002. I build him a sweet, sweet ass two channel thing that suits him perfect, i'll spare y'all details. I ended up with the VL, which is cool because i'll build a dumble or something brawny with the trannies, I think. BTW? Fav amp is my DR build, i just like building silly things in my spare time.
So i'm cleaning my workshop last night and I'm moving the thing for the umpteenth time (duval's rule: the frequency with which an item needs to be moved is directly proportional to it's mass, times its volume) and I think, hey, this thing has potential.
The trannies are already mounted, and one's prolly still good after all the abuse, and it has that nice driver tube hole over by the power tubes, switches... etc...
oh yah, and 6 preamp tube holes.
I'll put it out front- i've built a buncha unique and good amps, but i'm not a primarily mathematical builder, so this is a stretch. I'm gonna go order the parts and do this anyhow, but i'll ask to see if anybody's done something this foolish before. Luckily- no fear of failure or endless rework. Is there any reason, besides lead dress, that the typical 100k/1-2.2k/meg pot or divider stage and knockdown resistors couldn't continue to be scaled up to, say, 12 stages, or 11 with a cf to drive the tone stack? I'm thinking of just propagating the entire front of the amp with gain knobs. Then, I can start tapering the fool thing back down so the range through them actually is functional. If it never works, well, I can break it down and build a multichannel back into it or use it to prototype stuff.
I guess I am asking for some starting points on the coupling caps, really the only spendy part in the thing to start messing with. I'm betting the largest in the whole thing is .022, but even that seems large as a starting point. I'm anticipating theres going to be very minimal cathode bypass in this pre, and a cold stage, so that'll perhaps come later. I'm never going to ask any stage to do much so I don't have to throw it away and I suspect that adds to the compressed feel of typical ultra gain amps.
(sug)jest away! There is no goal here but a dumb amount of gain, but with more feel than the triple rec/krank space. The newest 5150, iirc, has 7. This is five louder!
So i'm cleaning my workshop last night and I'm moving the thing for the umpteenth time (duval's rule: the frequency with which an item needs to be moved is directly proportional to it's mass, times its volume) and I think, hey, this thing has potential.
The trannies are already mounted, and one's prolly still good after all the abuse, and it has that nice driver tube hole over by the power tubes, switches... etc...
oh yah, and 6 preamp tube holes.
I'll put it out front- i've built a buncha unique and good amps, but i'm not a primarily mathematical builder, so this is a stretch. I'm gonna go order the parts and do this anyhow, but i'll ask to see if anybody's done something this foolish before. Luckily- no fear of failure or endless rework. Is there any reason, besides lead dress, that the typical 100k/1-2.2k/meg pot or divider stage and knockdown resistors couldn't continue to be scaled up to, say, 12 stages, or 11 with a cf to drive the tone stack? I'm thinking of just propagating the entire front of the amp with gain knobs. Then, I can start tapering the fool thing back down so the range through them actually is functional. If it never works, well, I can break it down and build a multichannel back into it or use it to prototype stuff.
I guess I am asking for some starting points on the coupling caps, really the only spendy part in the thing to start messing with. I'm betting the largest in the whole thing is .022, but even that seems large as a starting point. I'm anticipating theres going to be very minimal cathode bypass in this pre, and a cold stage, so that'll perhaps come later. I'm never going to ask any stage to do much so I don't have to throw it away and I suspect that adds to the compressed feel of typical ultra gain amps.
(sug)jest away! There is no goal here but a dumb amount of gain, but with more feel than the triple rec/krank space. The newest 5150, iirc, has 7. This is five louder!
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