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The Distortion is what I think of based on your description, but I assume you're familiar with that. Where does that pickup sit in comparison to what you're looking at?

I have a 3 channel recto and did the "pre-500" mods to it. Basically just jumped the 100R cathode resistors and added a capacitor to filter out the ice pick. Night and day difference to the amp, so much better everywhere

You can add an external "slave out" circuit to the amp output. It's just a couple of resistors to pad the speaker output so you can run it into an interface. My favorite way to record with IRs

I like the tone! Where did you find the guitar-less backing track?

Would it be so hard to do a room/phone mic and close mic at the same time?

ah just read this. Makes sense The preamp circuit differences between blue and green are well documented. The c30 capacitor is really the only major difference - should be 500pf on the blue and nothing on the green. I put 1nF (IIC+ selection) into my green on a switch and it's good. Blue sits...

Is there any resource for this rumor that all greens are simil? I have a green HRGX and I'm pretty sure it's not. But maybe i need to go look again. It has a 60/100W switch on the back Capacitors are dated 1998 so story checks out, just odd that it's a blue stripe as I also thought greens were...

FYI I've seen a lot of those grey box caps fail in amps from the late 80s. Seems their reliability fades after ~30 years

Just switch the new values in parallel with the existing ones. So 470k//1.7n in parallel with the 470p, and 22n in parallel with the 1n. That's what my 6505+ has and there are no pops. There is also the 560p in the tone stack which differs but imo there isnt any kind of tone difference to bother...

The driftwood is a dual rec clone... Mesa's patents have all expired now anyway

Does it pop with and without fx connected in the loop? The loop return is DC coupled to return stage which makes it susceptible to pops. Easy fix by modding the signal path to the fx retun stage

Only fender and trainwreck have tone stacks in the middle of the preamp (after the first gain stage). Bogner is at the end, same as all marshalls and 99% of rock or metal amps

I did. My point is it's the same EQ as most marshalls and a bunch of other amps. It doesnt do anything special

The bogner tone stack is the same as any marshall except has the different treble pot taper. It's not a high shelf control. Apart from the treble knob position its going to do the same thing as any other amp. Cool post, but where are you getting your technical information from?

The ++ circuit works to boost and eq the signal into the latter gain stages - post the front tone stack, so putting the boost at the front might be tough to get the same result. But I'm sure with eq and boost tweaks you could get super close - sounds very similar in the mic'd up clips

Out of interest, what did the tech do?

Any transformer can be a laydown, just take one of the bells off and cut off any stray mounting tab on the other bell

There are a couple of circuit differences which are documented on grailtone. You might hear a difference as a sum of many tiny changes but it's not much. 15 vs 22uf caps on some cathodes (probably whatever component mesa could get at the time), sliiiightly different filter lead channel feedback...

There have been several circuit variations over the years so yall might not even be talking about the same circuit. Friedman has pretty big treble suppression capacitors on the last stage. Snip those out and it's way more kerrrang and not so polished/dark

Put a pot across your presence pot to understand what the varying resistance does. But as said, tunes the presence control frequency and NFB