My Amps I use the Ameritron AL-1500 on my primary station.
 The Al-1500 uses the 8877/3CX1500-A7 triode in grounded grid for an easy 1500w output for less than 50 watts of drive.

The old Heathkit, I almost sold this amp, I was lucky in that I came to my senses before making that mistake. It runs a pair of 3-500Z triodes, also in grounded grid and will produce in excess of 1KW on 80-10 meters.
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