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3-500ZG Transmitting Tubes

3-500ZG Transmitting Tubes

The RF Parts 3-500ZG™ is a compact power triode intended to be used as a zero-bias Class AB2 amplifier in audio or radio-frequency applications. Operation with zero grid bias simplifiers assocated circuitry by eliminating the bias supply. In addition, grounded-grid operation is attractive since power gain as high as twenty can be obtained with the 3-500ZG™ in a cathode-driven circuit.

3-400Z and 3-500Z Tube Comparison

FULLY 100% TESTED AND "BURNED IN" AT THE RF PARTS FACILITY IN SAN MARCOS, CALIFORNIA.  SO, JUST "PLUG AND PLAY".