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![]() "msg" wrote in message ernet... ken scharf wrote: snip (I've heard of 807's taking over 1000 volts on the plate just fine!). The official ICAS ratings for the 807 allow up to 750 volts at 100ma plate current, and there is a typical operation shown at 75 watts input, so at 50w your transmitter wasn't even breaking a sweat yet! A pair of 807's in AB2 (SSB linear) will put out 120w PEP, just about the same as a pair of 6146's. The 6146B officially will do about 135-140w in the same service. snip FWIW, here is a homebrew quad 837/807 linear that does 2kw PEP with 2KV on the plates (I have it but did not homebrew this one): http://www.cybertheque.org/homebrew/837_linear I took the photos some years ago using a digital camera with focus and image burn issues; this summer I intend to reshoot these with a better camera. Michael Looks good! For "on-line" viewing the photos you took look fine on this end. |
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