If I had an unknown overseas (to the west of CA) POTTED output transformer in my hands with 3 primary leads and a 0-4-8 secondary, how would I know for certain if it was push pull or single ended with a UL tap? This particular transformer is claimed to be UL single ended. I attached a file...
To anyone familiar with these console-pull amps: My restored, recapped (not by me) Magnavox 9300 series (9303 I think) suddenly has no sound coming from either channel after five years of flawless performance. No hum. No buzz. Only silence.
I know very little about how these work and have...
Hello everybody,
a while ago the hifi passion revamped, I took dust off the JBL4311B and reconnected the old Adcom GFP345 and GFA535, visiting a friend's place I laid my eyes on some of the gear from his gone dad he wanted to sell and I got a marvellous Gyrodec TT and an Audio Research SP9...
Hi All, this is my first thread on AK :banana:
I am constructing an amplifier that is inspired by the Mullard 5-20 amplifier. Changes to the original design are: EF37 input pentode, 6SN7 phase inverter/driver and KT88 output tubes.
Has anybody attempted something like this? :beatnik: