9/1/2023 0 Comments Valve el33 and kt61The owner of the little Maton Amp spotted an 845 sitting on my shelf and now wants an 845 SE Guitar Amp - BUT thats another story. I'll put that aside for a future E元4 SE Guitar Amp. If I can't come up with KT61 then I'm tempted to just put in a 6V6 particularly as I have 20 or more 6V6G (the old coke bottle shape) which would look the part in this vintage amplifier.īefore doing my homework (and working out that it should have had a KT61) I went out and bought a Hammond 1625ESE Output tranny. 1x Stv108/30 Telefunken Nos Neu Rhre Geprft Tube New Ob2 Valve Valvula. ![]() The Russian 6P9 looks a close substitute - if a little lower power capability, may have to get a couple of these for an experiment. 2x El11 Tubes Telefunken - Nos - ( El3 / El33 / Kt61 / Al4 / E2d ) - El. Probably fortunately since E元4 in SE will produce 10.5 W RMS and the amp has a 10W PEAK rated speaker fitted. ![]() Unfortunatey who ever had done that did not change the 100 Ohm cathode bias resistor and so had cooked the output transformer. When the amp came to me for repair it had an E元4 plugged in. ![]() I'm onto a couple of KT61 from two different sources - surely one will actually come up with the goods.
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