4CX

4CX12000A RFP Rebuilt Radial Beam Power Tetrode

In Stock

• Filament: Thoriated-tungsten mesh


• Voltage:  6.5 ± 0.3 Volts


• Current @ 6.5V: 105 Amps

New Old Stock * No longer available for export
MFR: R F Parts Company
SKU: 4CX12000A-RFP-REBUILD

This 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.

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.

4X150A / 7034 Ceramic/Glass Transmitting Tube (New Old Stock)

In Stock

4X150A / 7034 Ceramic/Glass Transmitting Tube. New Old Stock 

Various USA Brands, Limited Quantity Available, New Old Stock. Not For Export

NOTE: Picture for reference only.  Brand and condition may vary.

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

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.

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

In Stock

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

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

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.

4CX1500A Svetlana Power Tetrode (NOS)

In Stock

• Filament: Thoriated tungsten


• Voltage: 5.0 ± 0.25 V


• Current, at 5.0 volts: 38.5 ± 2.0 A

New Old Stock * No longer available for export
MFR: Svetlana
Made in Russia
SKU: 4CX1500A-SVET

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.

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.

Data Sheet

Clean Used * No longer available for export
MFR: Eimac
SKU: 4CX10000D-P

4CX350FJ Eimac/JAN Transmitting Tube 8904/4CX350FJ (NOS)

In Stock

Transmitting Tube 4CX350FJ/8904
New Old Stock
MFR: Eimac/JAN
SKU: 4CX350FJ
Six Month Warranty

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