Transmitting Tubes

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

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

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

Svetlana Transmitting Tube, 8321/4CX350A

MFR: Svetlana, Russia

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.

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.

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

• 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.

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.