Single preamp power supply node

[rocketeer]

I used to own one of the great super gain amps of all time .... the DIEZEL VH4S (stereo). Looking under the hood I noticed that Peter uses a single preamp DC node. The output plates are on their own node, then the screens are on their own node, and then there is a single node to supply the PI’s (2) and all the preamp tubes (7). That's 9 total tubes (18 triodes) on a single node. He uses a 100mfd cap at the beginning of the string and then on the far side of the board he has another 100mfd. Anyone ever see this type of power supply before?

[Cliff Schecht]

Yeah, on budget designs from the past. There may be more here than meets the eye though, this might be done so that the preamp stages intentionally interact with each other in a certain way or something.

[Roe]

fender for instance ran tremolo and reverb from the screens (20uf) and 3 preamp tubes from one 20uf cap. using three 20uf caps for these preamp tubes gives a little tighter bass, at least that's what I think I hear

[David Root]

I would have thought you would get major motorboating. is there any tricks going on e.g. diodes in the line, maybe all gain stages are without bypass caps?

[JamesHealey]

One of my amps runs the screens and 3 stages off one node!

It's designed this way for reason, and it's dead silent no issues at all.

Really high gain and lots of compression, I guess thats the idea?