Search found 6 matches

by Zorojuro
Mon Dec 12, 2022 7:40 am
Forum: Dumble Discussion
Topic: Princeton Non Reverb to TR JM thoughts.
Replies: 17
Views: 3886

Re: Princeton Non Reverb to TR JM thoughts.

10thTx wrote: Mon Dec 12, 2022 12:01 am Another one to consider given two 12A_7's. Obviously you'd need to make some changes for 6V6's.

With respect, 10thtx
Thank you 10thx. I have a board for fender vibrolux (non reverb) in my stash. Maybe this is more easy to build than to modify my current princeton.
by Zorojuro
Sun Dec 11, 2022 10:36 pm
Forum: Dumble Discussion
Topic: Princeton Non Reverb to TR JM thoughts.
Replies: 17
Views: 3886

Re: Princeton Non Reverb to TR JM thoughts.

It may or may not be a good sounding amp? This is a DRAFT unproven idea only for discussion and edits. It allows for a psuedo pretend active FX where you can place reverb and/or delay to fake some of the JM aspects. I am NOT advocating building this. I would anticipate if this idea works that it wo...
by Zorojuro
Sun Dec 11, 2022 1:22 pm
Forum: Dumble Discussion
Topic: Princeton Non Reverb to TR JM thoughts.
Replies: 17
Views: 3886

Re: Princeton Non Reverb to TR JM thoughts.

It's a Princeton circuit. I'm planning to modify its preamp to a John Mayer two rock/wonderland. I just want to hear some thoughts on this or if this modification is a waste of time. You could certainly modify the preamp stages to the JM sig. The first stage would be the same, but then you'd have t...
by Zorojuro
Sun Dec 11, 2022 11:39 am
Forum: Dumble Discussion
Topic: Princeton Non Reverb to TR JM thoughts.
Replies: 17
Views: 3886

Re: Princeton Non Reverb to TR JM thoughts.

Thanks for your responses Erwin and 10thx. I think it is not worth the time and effort to make some mods with my amp. I really appreciate your thoughts about it.
by Zorojuro
Sun Dec 11, 2022 8:10 am
Forum: Dumble Discussion
Topic: Princeton Non Reverb to TR JM thoughts.
Replies: 17
Views: 3886

Re: Princeton Non Reverb to TR JM thoughts.

Is this a Dumble circuit? Mods, can we please keep this forum on point to discuss Dumble and his circuits. It's a Princeton circuit. I'm planning to modify its preamp to a John Mayer two rock/wonderland. I just want to hear some thoughts on this or if this modification is a waste of time. Or should...
by Zorojuro
Sun Dec 11, 2022 4:22 am
Forum: Dumble Discussion
Topic: Princeton Non Reverb to TR JM thoughts.
Replies: 17
Views: 3886

Princeton Non Reverb to TR JM thoughts.

I have a Princeton non reverb and tremolo amp (Rob Robinette). I'm thinking to modify it's preamp to a JM two rock. I need your thoughts about this. Thank you.