Uses for 715C Pulse Tetrode - diyAudio
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Old 7th May 2012, 05:04 AM   #1
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Default Uses for 715C Pulse Tetrode

I just snagged some 715C pulse tetrodes in a spirit of speculation. They gobble lots of filament current, no doubt for the purpose of high cathode emissivity. The voltage ratings on plate and screen are hilariously high, so operating this beast in triode-connected and UL mode will be no problem for semi-reasonable supply voltages. The plate dissipation rating is 60W, lower than some of the usual transmitting tubes. The best app for this thing might be some sort of insane AB2 push-pull. I got a few because they were relatively cheap, and I was curious. The base is kinda non-standard. Those itching to try something like this might look at some of the Russian/Eastern Europe E-pay sellers, as they have pulse tetrodes among their offerings, and they are those odd, eccentric tubes that have a high price/capability ratio, but not a lot of takers because of the weird specs/typical application.
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