Tube Amp Archive

An interesting discussion. If the amp is playing through one speaker or a cabinet with all speakers wired in phase I can see where there could be an effect on sustain and feedback on different notes whether the speaker is pushing or pulling at the initial sound due to the frequency of the tone and t...

I have several Trainwrecks. I used just the Ceriatone chassis and all the other components are upgraded. Toneslut Transformers ect. I built it in a laquered cab and sounds awesome.

You can see one and hear it at www.mcmusicsound.com

I love the amp and record with it frequently.

Bob

I had a similar problem on another build and it turned out that the OT transformer leads to the tubes had been reversed. The low F# F and E notes would sound very strange. The effect would disappear when I removed the negative feedback. If that is the case try reversing the output leads from the OT ...

You may want to try a PPIMV. Use a dual pot. 500k or 1M This is Ken Fisher's design and I have used it on a number of amps.

Bob