Receiving Tubes
Receiving Tubes
Receiving tubes, also known as signal tubes, are essential components used in various electronic applications. They play a crucial role in amplifying and processing audio signals.
Explore our extensive selection of receiving tubes for all your audio and electronic needs.

78 RCA, Sylvania Remote Cut Off RF Pentode Tube (NOS/NIB)
In Stock
Designed for use as a radio frequency or intermediate frequency amplifier in AC or battery operated equipment.
MFR: CBS, RCA, Ken Rad, Sylvania
SKU: 78
New old stock * No longer available for export.

45 National Union Power Amplifier Triode Tube (NOS)

In Stock
Designed for service in the output stage of audio amplifiers where high output and low harmonic distortion are desired.
MFR: National Union
SKU: 45
New old stock * No longer available for export.

EL34 / 6CA7FB GE Power Amplifier Pentode USA - "Fat Boy" (NOS)

In Stock
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

31AL10 Dissimilar Double Triode Pentode Tube (NOS/NIB)
In Stock
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

31LQ6 Beam Power Amplifier Tube (NOS/NIB)

In Stock
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