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.

5KE8 RCA Triode-Pentode Tube (NOS/NIB)
In Stock
For combined oscillator-mixer applications in TV receivers having IF at 40Mc.
MFR: RCA
SKU: 5KE8
New old stock * No longer available for export.

1L6 Pentagrid Converter (NOS)

In Stock
Designed for use in low drain battery operated receivers. Similar to 1A7GT and 1LA6.
- Filament Voltage D.C.: 1.4 Volts
- Filament Current: 50mA
New Old Stock * No longer available for export
MFR: RCA, Zenith
SKU: 1L6-NOS
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1U4 Sharp Cutoff Pentode (NOS/NIB)

In Stock
Designed to operate in radio frequency or intermediate frequency amplifiers in battery operated receivers.
New old stock * No longer available for export.
MFR:Standard Brand, Philco, RCA, Radio Television.
SKU: 1U4

2D21 Thytron Vacuum Tube (NOS/NIB)
In Stock
Designed to be used in relay and grid-controlled rectifier applications.
New old stock * New In Box * No longer available for export.
MFR: RCA, Westinghouse, Sylvania, GE, Tung Sol, National
SKU: 2D21

3Q5GT Beam Power Amplifier Tube (NOS)

In Stock
Designed for the output stage of a 3 way receiver.
New old stock * No longer available for export.
MFR: RCA, Raytheon
SKU: 3Q5GT

5T4 RCA Full Wave High Vacuum Rectifier Tube (NOS/NIB)

In Stock
Designed for service as a power rectifier in AC operated receivers.
New old stock * New In Box * No longer available for export.
MFR: RCA
SKU: 5T4

6LX6 RCA Beam Power Amplifier Tube (NOS/NIB)

In Stock
Substitute for the 6LF6
New old stock / New in box * No longer available for export
MFR: RCA
SKU: 6LX6-RCA
Picture for reference only.

12AU7A / ECC82 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- ECC82-USA-RCA
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6L6GC RCA Black Plate Beam Power Amplifier Tube (NOS)

In Stock
The RCA 6L6GC black plate is one of the most sought after power tubes for great audio.
New Old Stock * No longer available for export
MFR: RCA
Made in U.S.A.
SKU: 6L6GC-BP-RCA
Photo For Reference only - Appearance may vary.
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6L6G RCA Vintage Dark Glass Vacuum Tube (NOS/NIB)

In Stock
The 6L6G is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers.
They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.
New Old Stock * New In Box * No longer available for export
MFR: RCA
SKU: 6L6G-DG-RCA