Tubes - Transmitting, Audio, Misc.

75 Tube Duplex Diode High Mu Triode

77 Tube Sharp Cut Off Pentode

90C1 Tube

43 Tube Power Amplifier Pentode

The EL34 is a thermionic valve or vacuum tube of the power pentode type. It has an international octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters.

New Old Stock * No longer available for export
MFR: General Electric
SKU: EL34/6CA7FB-GE 

Designed to function as a horizontal deflection amplifier in TV receivers.
New old stock * New in Box * No longer available for export.
MFR: GE
SKU: 31AL10

Used in D&A amplifiers. Designed primarily as a horizontal deflection amplifier for TV receivers.
New old stock * No longer available for export.
MFR: GE, Westinghouse, Lindal, Sylvania / ECG, Magnavox
SKU: 31LQ6

31LR8 Tube Triode-Pentode

31LZ6 Tube Beam Power Amplifier