Roland JC 120s have "power amp in" jacks. I think there are other commercially-available amps that have this feature as well, but I can't think of them now. Maybe Ampeg V-4s?

I have a Hiwatt DR 103, not sure of the year, but I can find out. If Holmes isn't interested, let me know.

Thanks,

David

Gramsci, How does the Duncan mount into your TB500? From the messing around I've done, the mounting screws on a P-90 don't line up with the pickup mounting holes on a Bean. Is the Duncan maybe attached to the pickguard via a dogear cover? Also, despite the fact that the ruling classes have won conse...

You might want to find an amp tech who could build you a "slave" box, or even put a slave-out jack on your amp (though if it has vintage value, you might want to go with the box). Some guitar amplifiers have a slave-out jack on them, which is a tap on both the preamp and poweramp. You can run your m...

You should also know that it is very easy to mod an AB165 (post-'65) Bassman circuit back to an AA864 (pre-'65). Stick to Bassmans that are 50 watts and have no master volumes. I think the later models are harder to mod. Lately, the cheapest silverface non-master Bassmans are the ones that say "Bass...

Sorry to jump in here without some kind of formal introduction, but I've been wondering about the phase issue on 50 watt Bassman heads. Are they also phase correct? Meanwhile, to address the original post: Barber Electronics now has a clean boost pedal with two outputs that correct the phase on amps...