Tube Amp Archive

I want to swap out these coupling caps for some posh ones, but im not sure which ones are the coupling caps. Don't fix it if it ain't broke. Thanks for the responses - oh yes, its broken. Left side works properly, but right side has broken frequency response ( less mids and bass ), loud mains hum i...

Hello Amp Garage :) I am the proud owner of an Ecofan Super Audion MK3 - EL34 PP amp, input valves ECC88 type (actually PCC189's), phase split valves 6cg7's. The amp builder ( Murray Dick ) is now deceased. Stereo.jpg It was originally all transformer coupled, but after a swap of the input stage fro...