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.

12K7GT Rauland Remote Cut-off Pentode (NOS)
In Stock
The 12K7GT is the same as the 6K7GT except for the following items:
- Voltage (AC or DC): 12.6 ± 1.2 volts
- Current at 12.6 heater volts = 0.150 Amps
New Old Stock * No longer available for export
MFR: Rauland
SKU: 12K7GT-RAU

12K7GT RCA Remote Cut-off Pentode (NOS)
In Stock
The 12K7GT is the same as the 6K7GT except for the following items:
- Voltage (AC or DC): 12.6 ± 1.2 volts
- Current at 12.6 heater volts = 0.150 Amps
New Old Stock * No longer available for export
MFR: RCA
SKU: 12K7GT-RCA

12AU7A Philco Medium Mu Twin Triode (NOS)

In Stock
New Old Stock * No longer available for export
MFR: Philco
SKU: 12AU7A-PHILCO

12AU7 Triad Electronics Medium Mu Twin Triode (NOS)

In Stock
New Old Stock * No longer available for export
MFR: Triad Electronics
SKU: 12AU7-TRIAD

12AU7A C. G. Conn Vintage Medium Mu Twin Triode (NOS)

In Stock
- Manufactured by RCA for Conn Organs
New Old Stock * No longer available for export
MFR: RCA
SKU: 12AU7A-CONN

12AU7A / ECC82 General Electric Medium Mu Twin Triode (NOS)

In Stock
The 12AU7A is intended for service in radio and television receivers or in Audio amplifiers. The 12AU7A exhibits a lower microphonic output than the 12AU7.
New Old Stock * No longer available for export
MFR: General Electric Company
SKU: 12AU7A-ECC82-GE

12AU7A RCA Medium-Mu Twin Triode (NOS/NIB)

In Stock
- For applications critical as to microphonics
New Old Stock * No longer available for export
MFR: RCA
SKU: 12AU7A-RCA
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5963 RCA Black Plate Medium Mu Twin Triode (NOS/NIB)

In Stock
Designed primarily for use as a frequency divider in electronic computers as well as other On/Off control circuits.
New old stock * New In Box * No longer available for export.
MFR: RCA
SKU: 5963-BP-RCA

GL5963 General Electric Black Plate Medium Mu Twin Triode (NOS/NIB)

In Stock
Designed primarily for use as a frequency divider in electronic computers as well as other On/Off control circuits.
New old stock * New In Box * No longer available for export
MFR: General Electric Company
SKU: GL5963-BP-GE

5963-CHS-USN Sylvania Medium Mu Twin Triode Tube (NOS/NIB)

In Stock
Designed primarily for use as a frequency divider in electronic computers as well as other On/Off control circuits.
New Old Stock * New In Box * No longer available for export
MFR: General Electric Company
SKU: 5963-CHS-USN-SYL