Transmitting Tubes

• The RF Parts Company Tubes (SELECT) 811A is the best quality 811A tube in current production.
• Usage tests show it to be equal to the much-respected RCA, 811A and Svetlana, 811A.
• Base indexed and internal structure aligned and supported for both horizontal and vertical operation.
• Ideal for the Collins 30L1 and similar equipment where tubes mount horizontal.
• Each RF Parts Company Select tube is tested prior to shipment.

Six Month Limited Warranty against manufacturing defects and workmanship. Sockets in image sold seperately.

MFG: CHINA
SKU: 811A-RFP-MQ

Rebuilt using a Svetlana core.
Filament: Thoriated tungsten
Voltage: 5.0 ± 0.25 Volts
Current, at 5.0 volts: 38.5 Amps

Rebuilt * No longer available for export
MFR: ZONUM INDUSTRIES

Data Sheet

• Filament: Thoriated Tungsten
• Voltage: 5.0 ± 0.25 Volts
• Current, at 5.0 Volts: 40 Amps

New Old Stock * No longer available for export
MFR: Penta Labs
SKU: 5CX1500A-PENTA

• 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.

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

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.

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

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.

• 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.