I'm with Dennis and Gary. To run a linear amplifier at 375 watts of carrier and 100% modulation, you will need around 800 watts of plate dissipation. For a short time a number of years ago, I tried running an AF-68 and a 4-1000A linear amplifier. I could never get more than around 450 watts of carrier and stay linear............I didn't need a heater in the shack either.

73,
Darrell, WA5VGO

Darrell, do you still have the powersupply for the AF-68? I have one here, that I got from Larry/CFJ a couple of years ago, and I've been wanting to put that thing mobile for so long, that I'm about ready to build an AC-input power supply, and plug it into my 600w DC-AC inverter.

Thanks.

73 = Best Regards,
-Geoff/W5OMR


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