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GU-74B Tetrode Tube Svetlana 4CX800A ceramic-metal NOS
$360.00$90.00 shipping1 * GU-74B GU74B Tubes Nos 4cx800 Tested
$409.00$39.00 shipping58 soldTHOMSON-CSF 4CX800A
$999.99$22.32 shippingGU-74B Tetrode Tube Svetlana 4CX800A ceramic-metal NOS in original BOX
$460.00$150.00 shippingSame tubes pair GU74B=4CX800 Tested
$800.00$40.00 shippingSOCKET military for tubes GU-74B 4CX800A GU74B
$65.00$12.00 shippingSame tubes pair GU74B=4CX800 Tested
$800.00$40.00 shipping1x Metal military SOCKET for tubes GU-74B 4CX800A silver pins
$56.00$15.00 shippingSOCKET military for tubes GU-74B 4CX800A GU74B
$71.00$12.00 shippingMATCHED PAIR GU-74B GU74B Tubes Nos 4cx800 Tested
$1,199.00$49.00 shipping1 NEW GU-84B = 4CX2500 TETRODE TUBE BOXED
$699.00$52.00 shipping22 watchingEimac 4CX5000 Solid State Cavity Tetrode(?) RF Broadcast tube
$500.00$19.65 shipping
