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I tried both, what I'm referring to is actually the transient analysis indeed. My question was more on the theoretical standpoint: if I power the eq with 22V than it could handle input signals no larger than 22Vac (more or less), am I correct? But I don't see anything preventing such large...

It's been quite some time I've tried simulating this circuit in LtSpice, just for the sake of understanding how it works since I'd like to start building tube amps for hobby. I know that simulations are not always accurate, but this one makes sense overall. However, every now and then I spot...

I'm on the opposite situation. I have a quad and a Stategy 500 (which is simul-class). I never tried other power amps with the quad but if the 400 is anything like the 500 it should sound a lot fuller (based on what I hear online), plus you can control presence independently for each channel and...

I own a Mesa Quad + Strategy 500, a Vox AD 120 VT and I'm on a journey to build my own mesa-inspired amplifier! I don't have time to play much these days, also because in my area there isn't much people to play with... Still I cherish my "little" amps :)

So, I never posted it anywhere, but this is my Quad Preamp + Strategy 500 rack. Effects and boost pedals are provided by a Lexicon MPX G2. Everything on the back is meticolously wired using neutrik jacks and orchestrated by a rockman octopus. The 500 pushes a pair of vertical 2x12 Seventy70...

Hello Jrb32! Thanks for your work, it seems to me the most clear schematics around. I'm no expert of tube amps, actually I'm using your schematics along with Merlin's book to study the subject and try to build my first amp. However, I think that V5B should be upside-down, as it is it seems like...

I remember getting quite close to it using an ESP KH2 Custom Shop, quad, a lexicon g2 and a strategy 500. However, now that you make me notice that grainy distorted sound on high frequency was missing, the sound was a bit more fluid than that. Did you consider any eventual pickup mods? I...

It has been years I didn't power-up my quad (No time, also Strategy 500 being too loud for playing it at home) but for what I remember there was a HUGE unbalance on both gain and volumes between the two channels, and I noticed the same thing on my quad. By fiddling with volumes and gains I...