The Amp Garage

No, I left the lower gain tubes in place. Whatever wizardry was performed, it is amazing! I played until I thought the cops would be called last night and today, for the last hour. Just stopping to post an update and a thanks to xtian for transforming this amp from a storage dweller, to riding high...

That would be awesome! I’ll pm later today for details, thanks!

Skip Simmons lives pretty close to me(half hour) but I didn’t know anything about him, other than it looks like he is into early early gear...I’ve only recently seen his web page. If he comes recommended I’d prefer to use him as he is very local. The mod is a known builder mod, I’d rather use PM for...

I’m trying to get my amp back to stock and start from scratch. Just want it to sound like a proper JMP and the big names don’t have time and are too busy with their amp lines to do anything. It has been modded,but not molested, I’ve been told it’s easily reversible (it’s a name builders mod). I’m at...

Great info, thanks for the replies!

Can't help with the builder. But for starters, do you have 12AX7s in all three preamp spots? Lower gain tubes, like 12AT7, are a good place to start without having to solder anything. I came up with this: “Dan Hall (Skyboltone) on the Amp Garage built it for me. It's an Express circuit with 2 7189 ...

Looking for the builder of this amp. In the last picture you can see some writing in the bottom left corner. Any help would be appreciated. I’m looking to throttle the gain back, as I was told it was a ultra high gain build, per the owners request. For some reason I wanna say Dan Hall or Skyboltone ...