I replaced all three with Chinese from the early 90s. Those are great preamp tubes.

Was a preamp tube. Now dead quiet. Thanks!

I'm not sure about that and I didn't compare L and R inputs. However, a while back I noticed that one of my JH heads had more noise/buzz than the other. I ended up moving the green wire on V2 which eliminated the noise. Here's a different thread with pics: http://marshallvintagemodern.com/viewtopic...

Is there a specific preamp tube related to the second input?

The amp sounds incredible.


Thanks.

Thanks guys, I was running it into the upper left hand input. Seems as sweet as it sounds and with the adjustments running it with 1 cab at a gig would be pushing volume and frying the cab. Still might give it a go again. You would not fry the cab. I used mine cranked up through one of the cabs wit...

I had one of the stacks when they first came out and by mistake I sold the head but kept the cabs which are the best sounding cabs I own. I like them better than my HW cab or Bogner cabs. They do break up nicely and are part of the sound. As others say it stays clean up to 6-7 depending on eq settin...