Offering in excellent condition a custom designed 1KW output Alpha 76A
amplifier retrofitted with a single Eimac 3cx800A7 and dedicated to 6m
DXing and contesting. Completely redesigned broad banded tank circuit for
effortless tuning. Has a front panel adjustable T-match for perfect 1:1
input SWR. Heavy duty 3PDT 12VDC antenna changeover relay fully
compatible with any solid state VHF exciter switching circuit. Rear panel
filament voltage adjusting control with pinouts for monitoring critical
voltage for tube longevity. Has a 2400vdc and 1600vdc high and low
position voltage selector switch. Power Output w/low/high plate
voltage: 10w drive--180w, 250wHV; 30w -drive 400w, 600w HV; 50w -drive
600w, 1000wHV. Built in delay and step start circuits. Fused zener diode
grid circuit. Operates only on 220VAC primaries. Black front panel. All
control circuitry OEM Alpha. $1400 pick up only in the Scranton or New
York City areas.
http://swap.qth.com/segamida/493558.jpg
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