Tube Amp Archive

The resistor grid are the 68K? If yes, I've already done and in fact the noise is sligtly less noisy. Today, a friend on mine came to my house and told me that your Fender De Ville has identical breath. I think of leaving things as they are and enjoy the wonderful sound of my amp. It is very great a...

The hum when I plug the cord now is resolved. It was a groun loop caused by input jack nut that touched the chassis. What worries me is the first noise, when I turn the vol pot. The amp is myself building 5F6A. The noise appears only when the vol pot is at 7 or more and with the bright vol pot is sm...

Hi, could you tell me what you think of the hiss of my amp? I tried to swap the preamp tube but nothing change. I also tried to remove first V1, and not hear anything, after V2 and not hear anything, same with V3. I soldered a shielded cable to connect input jack to V1 and soldered the two 68K resis...

The capacitor is located on the vol bright, as layout.
At maximum volume the amp is a real bomb!
But I do not know if the volume to 2 or 3 that should have power. I have the impression that it is little, but maybe it's just my impression.
The voltages are Ok

Of course, I use Google translator...

Let's go back to the amp?

Also, at vol 3 amp is not powerful as it should be. I need to vol to at least 5 to appreciate the sound. If you turn the Volume up all the way, is your amp loud enough to rattle windows? I'd like to understand if the pot is bad or if something is wrong with your amp. Yes, with the volume up all the...

The pots look like they are wired correctly at the pots not sure about the to the board with this photo. L to R you have mid, bass, treble I assume like Ceriatone's layout? You may need to verify that each pot is the value needed. The pots are of the right values ​​and L to R are Mid, B...

This is a pictures

Hi, I'm new in this forum. I'm Italian and do not speak english. I've build this amp but I noticed that I'm not get much response from the mid and bass tone control. Also, at vol 3 amp is not powerful as it should be. I need to vol to at least 5 to appreciate the sound. I never heard play a 5F6A so ...