I am updating an older Fender Champ amp. For the Hammond 125ese output transformer, it's obvious that on the secondary the black wire is ground and the other wires select the primary impedance as seen by the power tube. I plan on using negative feedback from the speaker to the cathode on one of the 12AX7's. The 125ESE primary wires are blue and brown. The question is which wire goes to B+ and which wire goes to the ouput tube plate for proper wiring?
Old Post Saves The Day!!!!!
I know this post is very old but the info you supplied is very new to me and very needed. I am about to install a Hammond 125ese in my Blackheart LG and needed this invaluable info,thanks.
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