Tube Amp Archive

Well, I haven't seen that version of the schematic before. Apart from almost going blind trying to read parts values from it, I redrew the tremolo circuits, and they are nearly identical to what's in my drawing. The input jacks appear to be grounded, as I found in my amp. Usually when you find isola...

Thanks for posting your experiences and schematic. I guess we don't know if thw OP solved his problem or not. The footswitch jack is NOT grounded and shouldn't be. If it is grounded for some reason, that would kill the tremolo. Are you saying that the footswitch jack should be isolated from the cha...

This is my first post here, I hope it is of some value to someone. I came across this forum while searching for information on the Premier 88N, which I am currently restoring. A while back, I did a Premier 120. My own hand-drawn schematic appears below. I believe it's an accurate representation of t...