Tube Amp Archive

UR12, I did not get any instructions for the VVR3. You can send these by email to randy@wallaceguitars.com. If you need a mailing address, please let me know. Thanks for the responses. I truly want to get this amp going. The testing procedures would be a plus, especially where I am on this project r...

Thanks Tillydog. I have have attached a new picture where I have ran this through the first filter. This was completed about an hour ago. I saw a lot of threads relating to making this modification. Now I am back to having some control on the pot, but only a small amount of gain on the VVR. This is ...

Based on all the great responses I am getting, I have made changes to the connections for the VVR3. The red wire from the rectifier, originally on P18 under the first filter cap, has been connected to the B+ In. The B+ Out is now connected to P18 and the filter cap is reattached to the board. I basi...

Thanks Tillydog. I think I know what I need do and this makes sense. I will correct the wiring and try it again.

Thanks vibratoking. I think you have my wiring correct. I searched everywhere trying to figure out how to wire this thing up. The unit works now, but as stated I just don't have any gain on the VVR3 pot. I am not sure what I need to do and I agree I may have some component damage. I can crank the am...

Hello, I installed a VVR3 in my friends Hot Rod Deluxe. I need some help. The new pot has very little change to the volume. When it is turned all the way down, there is a hum. Once I turn it up a bit, the hum goes away. However, it's like there is no gain with the VVR3 pot. I have attached a picture...