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Large 1950's TV Valves
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10-04-2011, 11:23 AM
Just a quick Q. please, so that I don't take this Thread OT:
Is this Thread restricted to TV valves only? Or can it be extended to large valves used for any application? Thank you. Al.
10-04-2011, 11:59 AM
At GVR we don't care if anything goes OT, (unlike other places on the tinternet) :D
10-04-2011, 09:30 PM
If we're not restricted to TV valves then here is a nice biggie from a radio. Date 1927 and made in the USA by the Radio Corporation of America. This is out of my Radiola 28 - and it has two of these beatuties.
Richard.
10-04-2011, 09:39 PM
WOW! now you wouldn't want to tidy that up if you dropped it (not to mention finding a replacement!)
12-04-2011, 12:17 AM
QY4-250: one serious transmitting valve. I've got one stashed away in the storeroom somewhere. But one day . . . .
http://www.abex.co.uk/sales/highvoltage/...y4-250.htm Al.
13-04-2011, 05:58 PM
I always liked a pair of 807's .. lovely blue glow that modulates when the amp is cranked up. Can't beat a 40's Vortexion 40/60 for keeping your cuppa warm all evening.
13-04-2011, 07:56 PM
Those 807s sound good! A blue glow. They won't make you glow blue if you stay near them too long will they? LOL!
13-04-2011, 08:14 PM
not likely.. but the anode caps in a full on push-pull amp will certainly make your hair stand on end.
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