Special Purpose

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 serve as a voltage amplifier or dual control applications when a grid base pin connection is implemented.
New old stock * No longer available for export.
MFR: Tung Sol, RCA, GE, Sylvania
SKU: 5725W

Designed for use in relay and grid controlled circuits.
New old stock * No longer available for export.
MFR: GE
SKU: 6012-GE

Special version of the 12AY7. Made with three pieces of mica, halo getter, and black anode plates.
New old stock * New Old Stock * No longer available for export.
MFR: General Electric Company
SKU: 12AY7-6072-JG-GE

Designed to function as a HF or IF amplifier tube.
New Old Stock * No longer available for export
MFR: General Electric, RCA
SKU: 6136

Designed to be used as an audio amplifier tube

New Old Stock * No longer available for export
MFR: GE, Sylvania
SKU: 12AU7W/6189W

Designed to be used in class A,B, and C amplifiers as a passing tube in voltage regulators.
New old stock * New In Box * No longer available for export.
MFR: GE, Raytheon, CBS
SKU: 6216

Designed for use in industrial equipment as characteristics of stability and long life are required.
New old stock * No longer available for export.
MFR: GE
SKU: 6463

Intended specifically for use in mobile communications equipment.
New old stock * No longer available for export.
MFR: General Electric Company
SKU: 6679/12AT7-GE