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

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

DTS&C-2 Dual Tube Socket / Chimney Combination & 2--4X250F NOS Tubes
In Stock
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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4CX250BT Amperex Special Broadcast/Industrial Transmitting Tube (NOS)
In Stock
Special, Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CX250BT-AMP

YC-136 Eimac Ceramic Transmitting Tube (4CX250B) (Pull)
In Stock
This tube is an improved version of the 4CX250B, with slightly higher average gain. This tube has been tested, and is electrically similar to a NOS tube at 95%-100%. There may be some minor scratches or discoloration indicating that the tube had been in a socket
Used * No longer available for export
MFR: Eimac
SKU: YC-136-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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4CX1000A / 8168 Eimac Ceramic Power Tetrode (Pull)
In Stock
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
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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4CX5000J / 8909 Eimac Radial Beam Power Tetrode (NOS)
In Stock
- Filament: Thoriated Tungsten
- Voltage: 7.5 volts + 0.37 volts
- Current at 7.5 volts: 103 Amps
- Amplification Factor (Grid to Screen): 4.5
New Old Stock * No longer available for export
MFR: Eimac
SKU:4CX5000J
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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4CX350A Svetlana Transmitting Tube 8321/4CX350A
In Stock
Svetlana Transmitting Tube, 8321/4CX350A
MFR: Svetlana, Russia

4CX350FJ-8904 Amperex Transmitting Tube JAN (NOS/NIB)
In Stock
4CX350FJ-8904 JAN Amperex Transmitting Tube (NOS/NIB)
The 4CX350FJ / 8904 is intended for Class AB linear RF amplifier service. The tube has rugged internal construction features. The 4CX350FJ/8904 may be used as an exact replacement for the 4CX350F/8322 in most linear applications, requiring only minor circuit adjustment and retuning. The tube has improved intermodulation distortion characteristics. It contains a 26.5 volt heater, and is recommended for new equipment designs.
New old stock * No longer available for export.
Limited 90 Day Warranty.
NSN 5960-00-369-7460
MFR: Amperex, USA

4CX1500B High Performance Tetrode (NOS)
In Stock
- 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
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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4CX10000D Eimac Radial Beam 10,000 Watt Power Tetrode (Pull)
In Stock
The 8171 / 4CX10000D is useful as an oscillator, amplifier, or modulator at frequencies up to 110 megahertz and is particularly suited for use as a linear RF amplifier or class-AB audio amplifier.
Clean Used * No longer available for export
MFR: Eimac
SKU: 4CX10000D-P
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