Transmitting Tubes

Radial Beam Power Tetrode Transmitting Tube
Used good condition * No longer available for export
MFR: Eimac
SKU: 4X150-JAN-7034-P

NOTE: The photo is for reference only.

Silver plated tubes may exhibit some silver tarnish (which does not detract from performance). Some tubes may show faint marks from the socket in our testing equipment. 

New Old Stock * No longer available for export
MFR: Motorola
SKU: 65-83382D02

The YU204 is a pulse tetrode intended for use in pulse modulator, pulsed-amplifier and pulsed-oscillator service. This compact, high vacuum radial-beam tetrode, incorporating a molybdenum anode and non-emitting grids, is recommended for use in new equipments where high voltage, high current, or high duty factor is encountered.

Clean Used * No longer available for export
MFR: Amperex
Made in France
SKU: YU-204-AMP-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.

• Cathode: Oxide Coated Unipotential
• Voltage: 6.0 + 0.3 volts
• Current at 6.0 volts: 8.2 Amps
• Amplification Factor (Average): 3.4

New old Stock  * No longer available for export
MFR: Eimac
SKU: 8295A

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.

New Old Stock * No longer available for export
MFR: Eimac
SKU: 3-400Z

Note: Picture for reference only.

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.

4-500B  Transmitting Tube, Tetrode, Glass,  MFR:Triton

Limited Quantity Available, New Old Stock, Not for Export

Glass Transmitting Tube, Tetrode (NOS)
New Old Stock * No longer available for export
MFR: Eimac/Triton
SKU: 4-500A
Six Month Warranty

• Filament: Thoriated Tungsten
• Voltage: 5.0 or 10.0 Volts
• Current: 25.0 or 12.5 Amps

New Old Stock * No longer available for export
MFR: Eimac
SKU: 304TL

 Data Sheet

• Filament: Thoriated Tungsten
• Voltage: 7.5 volts
• Current: 94 - 104 Amps
• Amplification Factor: 200

Rebuilt * No longer available for export
MFR: RF Parts Company
SKU: 3CW20000A7-RFPR

Data Sheet

This rebuilt 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.