12 discussions on ElectronDepot about the Philips EL34: what owners asked, what went wrong, and what fixed it.
Warum ? 200 Watt input 26 Watt output. Den habe ich aus China Bausatz Einzelteilen selbst gebaut 256.- Euro. 2xEL34B Aber nun zur Frage: Doppel-Triode) am Sockel alle zwei Trioden parallel geschalten. (Kathode , Gitter und Anode alle...
Whilst mere hobbyists like myself can easily get away with making up a desired zener value from putting two smaller value ones in series to add together their rated voltages, can such a dodge be employed by professional designers without...
I've been playing around with electronics since I was in my teens, which was in the 1960s. Some electronic components have drastically changed, while others have always been about the same. The main components were once vacuum tubes, then...
*neu* im Angebot gefunden und bestellt. Madison-Hybrid erledigt.
Hi all,I regularly repair tube amplifiers, and there's one thing I occasionallyencounter that doesn't appear to make much sense: a high resistor (> 100K)in series with one of the first 12AX7 preamp tube grids.OK, I fully understand that...
HejSom om jeg ikke har rørforstærkere nok, så overvejer jeg at bygge en konstruktion fra Elektor april/may 2003 m. EL34 i UL/PP, ECC83 og EF86 - Valve Final Amp kalder de den :o)Jeg er nu ved at undersøge hvordan og hvorledes med dele...