It's all good. I can't answer your questions and you could be right that it was used as a drink holder and nothing more. I'm not sure it makes sense though he would even worry about a Lee Jackson modded Marshall if Roth told him specifically "Jose modded". Now I do think it's entirely...
Entirely supposition.
I'm curious why you believe, with your assertion that Roth forced Vai into modded marshalls so it'll still sound like Van Halen, the guitar tone did not sound like Van Halen?
I brought up the Lee Jackson, as that is what was used on EEAS and on tour, which would fly in...
He may have had a Jose modded Marshall, but the Lee Jackson amp is what you hear on the cd and what he toured with, although it's possible he had more than one amp on tour.
Lee Jackson modded the amp Vai used.
http://www.vai.com/em-em-and-smile-marshall-auction/
I can't speak for what Roth said, but I have little doubt he told Vai he wanted him playing a Marshall, whether modded or not.
In any case, the tone was significantly different than anything VH era.
I don't get it either. Lots of builders/experimenters have gotten in the ball park of that tone. The rest is recording and engineering.
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Expect changing goal posts.
That's an interesting summary. Nothing that is going to add a great deal of gain, much less than cascading the second stage, which no one has suggested happened. An addition of a MV wouldn't change the gain, or at least not add any gain.
I think it's entirely possible the amp made rounds with...
He does seem to have a rather strange obsession with VH tone, including how the AxeFX has gotten closer than other folks with real amps. With the backtracking caveat that Rockstah passed away. He's weird.
It's entirely possible whatever on the back has nothing to do with the gain/tone circuits of the amp. Why would Mike Soldano and John Suhr purposely mislead people?
Here's how I'd do it.
Take the wire coming from the plate of V2, after the .22uf coupling cap but before the 470k/470p dropping resistor/cap. You're going to insert your switch here. Wire from coupling cap to pin 5 of DPDT. Wire from 470k/470p will connect to pin 4 of DPDT. This is your...
Start at the jack, with the DPDT switched to the upper lugs, the signal just goes to through the switch and to the 68k resistor of V1. This would be your normal circuit.
Switch the DPDT switched to the lower lugs, the signal now goes to the 68k resistor of the extra tube, out of the that to...
What do you want to know about it? I might change the cathode bypass cap and/or resistor adjust the response of the stage. Perhaps a .67uf bypass cap to keep the input stage from being too bassy, and you might want to just experiment with the value of the resistor. Being the first stage, I'm...
I'm not sure what your standard tone is (clean, crunch, high gain), but your experience is similar to a friend's that had a Kemper. We profiled my plexi clone, did several different captures and takes. In the end the analogue tone was slightly better than the digital. Just slightly warmer...