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Transmitting Tubes

Please choose from the following TRANSMITTING TUBES Sub-Catagory choices:

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4CX1500B High Performance Tetrode (NOS)
4CX1500B High Performance Tetrode (NOS)

In Stock

$1,480.90


  • Cathode: Oxide-coated

  • Voltage 12.6 ± 0.6 V

  • Current, at 12.6 volts: 4.4 ± 0.3 A

  • Voltage, cathode-heater, max:. ± 100 V


New Old Stock * No longer available for export
MFR: Svetlana
Made in Russia


Data Sheet


This New Old Stock (NOS) tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Ninety Days from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.

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Y-769/4CX350F/8322 Eimac Transmitting Tube Ceramic/Metal Tetrode NSN 5960-01-264-2087 (NOS)
Y-769/4CX350F/8322 Eimac Transmitting Tube Ceramic/Metal Tetrode NSN 5960-01-264-2087 (NOS)
Made in the USA

In Stock

$194.90

Eimac Transmitting Tube Ceramic/Metal Tetrode NSN 5960-01-264-2087
Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Eimac
SKU: Y769
Six Month Warranty

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4CX1000A / 8168 Eimac Ceramic Power Tetrode (Pull)
4CX1000A / 8168 Eimac Ceramic Power Tetrode (Pull)
Made in the USA

In Stock

$990.90

The 4CX1000A/8168 is a ceramic and metal, forced-air cooled, radial-beam tetrode, with a rated maximum plate dissipation of 1000 watts. 



  • Cathode: Oxide Coated, Unipotenial

  • Heater Voltage: 6.0 ±0.3 Volts

  • Heater Current at 6 Volts: 9.0 Amps


Data Sheet


Clean Used * No longer available for export
MFR: Eimac
SKU: 4CX1000A-EI-P


 This tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Thirty Days from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.

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4CX350AC Eimac/CPI Radial-Beam Power Tetrode Tube (NOS/NIB)
4CX350AC Eimac/CPI Radial-Beam Power Tetrode Tube (NOS/NIB)
Made in the USA

In Stock

$349.90


  • Long Life version of 4CX350A


New Old Stock * New In Box * No longer available for export
MFR: Eimac/CPI
SKU: 4CX350AC-EI-NIB


This New Old Stock (NOS) tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Ninety Days from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.

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8167/4CX300A  Raytheon Transmitting Tube Broadcast/Industrial (NOS)
8167/4CX300A Raytheon Transmitting Tube Broadcast/Industrial (NOS)
Made in the USA

In Stock

$119.91

The Raytheon 8167/4CX300A is a power tetrode of metal-ceramic construction, designed with an external anode and integral cooling fins.



  • Heater Voltage: 6.0 Volts

  • Heater Current: 2.85 Amps


New Old Stock * No longer available for export
MFR: Raytheon
SKU: 8167/4CX300A-RAY

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4CX250BC Svetlana Transmitting Tube (NOS)
4CX250BC Svetlana Transmitting Tube (NOS)
Made in the USA

In Stock

$164.90

TransmittingTube
New Old Stock * No longer available for export
MFR: Svetlana
SKU: 4CX250BC-SVET

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4CX250BT Amperex Special Broadcast/Industrial Transmitting Tube (NOS)
4CX250BT Amperex Special Broadcast/Industrial Transmitting Tube (NOS)
Made in the USA

In Stock

$129.91

Special, Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CX250BT-AMP

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JAN-8321A / 4CX350AC Eimac Radial-Beam Power Tetrode Tube (NOS/NIB)
JAN-8321A / 4CX350AC Eimac Radial-Beam Power Tetrode Tube (NOS/NIB)
Made in the USA

In Stock

$379.90

The JAN-8321A is a compact Air-Cooled Tetrode built for military use.


New Old Stock * New In Box * No longer available for export
MFR: Eimac
SKU: Jan-8321A


This New Old Stock (NOS) tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Ninety Days from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.

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4CX350AC Eimac/CPI Radial-Beam Power Tetrode Tube (Pull)
4CX350AC Eimac/CPI Radial-Beam Power Tetrode Tube (Pull)
Made in the USA

In Stock

$163.90

Eimac/CPI Transmitting Tube
Long Life version of 4CX350A
Used * No longer available for export
MFR: Eimac/CPI
SKU: 4CX350AC-EI-P

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DTS&C-2  Dual Tube Socket / Chimney Combination & 2--4X250F NOS Tubes
DTS&C-2 Dual Tube Socket / Chimney Combination & 2--4X250F NOS Tubes
Made in the USA

In Stock

$194.90

DTS&C-2  Dual Tube Socket / Chimney Combination & (2) 4X250F 26.5v Eimac NOS Tubes, sockets are Eimac SK650 mounted on chassis platform.  MFR: Eimac (Tubes & sockets)  Socket assembly was removed from military equipment.

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Items 101 to 110 of 342 total