Tube Amp Archive

Thanks for the clarification on the mid boost.

Mine is an A-50 s/n:901010 It has 6L6's in it.

-D

Thanks for posting this.
I have one of these as well cool amp, is the schem you posted updated with the mid boost mod?

-D

mat-Love your approach to this track! Super smooth tone and cool bleeding feedback. I bet it was it the Ibanez 335/Duncan guitar, right? My strat-style guitar doesn't give up the singing feedback like you're getting.

Very cool.

Thanks! I appreciate the nice comments. Sounds nice! What were your settings? Jake o'clock style settings, mid boost off, V1 cathode switch in the 1k6-26.7uF/220k setting, mid cap .05 OD input trimmer at about 9:30(22k to ground) Gain 1 Hi 11 Mid 2 Bass 2 OD 12 OD Vol 12 Master 2 Pres 2 The dLater O...

Guys many thanks for sharing your knowledge and inspiring clips. Especially heisthl for sharing and documenting his inspiring conversion work. I have been messing around with a nonHRM build for about 2 months and have finally got to a happy place tone wise and thought it was time to share a clip. Th...

I think your tone is cool. In the other thread with build pics it appears that you don't have a mid boost switch. Maybe that is the "honk" you are hearing in other's clips.

How do you like yours? These don't carry a lot of value (at least in the NW). I picked this up for $200. I paid $300 for mine a long time ago. I did something stupid to it one day by plugging a footswitch in the preout jack. OUCH!!! I think one day it will be a great donor for a *umble type circuit...

LeftyStrat wrote:Okay, here's a test:

I have one of those.