Jay Omega

You have the cables reversed, gray one should go in the jack right by the V3 tube. The 1/4" jack you're referring to is where you...

What you're looking at is varnish that they dip the transformers in after they're assembled. It is not scratched, this is completely...

OK, here is the bottom line from Mesa on use of EL34/6CA7 in the Class A sockets. Things did look promising there this morning...

I just watched Paul's part 2 video and read some comments, this is unsettling. A high gain amp builder will know this sound quite well...

Hello friends. Just took this video live, wide range of tones demonstrating how much as on 'OG' Mark IIC+ (HRG) owner I LOVE this amp...

Boogie's IIC+ schematic shows 6CA7 or EL34 use in V8 / V9 sockets, highlighted below:

Advanced Photonix makes an NSL-37V5C1 which is a good substitute for the VTL5C1 in the stock IIC+ circuit. I tested in terms of forward...

I found an acceptable replacement but the most recent quote was $11.50 ea for the min quantity of 1,000. I’ll be using relays once my...