Transmitting Tubes

• The RF Parts Company SELECT 811A is the best quality 811A tube in current production.
• Usage tests show it to be equal to the much-respected RCA 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 horizontally.
• Each tube is tested at our San Marcos, CA USA facility, prior to shipment.

Six Month Limited Warranty against manufacturing defects and workmanship.

MFG: China
SKU: 811A-RFP-M3

• 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

Filament: Thoriated Tungsten
Voltage: 7.5 Volts
Current: 100 Amps

New Old Stock * No longer available for export
MFR: Taylor Tubes
Made in China
SKU: 3CX10000A7-TAY

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.

Taylor Tubes Transmitting Tube
Watts: 350 Plate Dissipation (Max)
MFR: Taylor Tubes
SKU: 4CX350A-TAY

See 4CX350AC for Upgrade

Taylor Tubes Transmitting Tube Tetrode 8322/4CX350F
Broadcast/Industrial
MFR: Taylor Tubes
SKU: 4CX350F-TAY
Special sale price
Made in China

For broadcast and industrial use.

Used * No longer available for export
MFR: Taylor Tubes
SKU: 4CX1500A-TAY-P
Made in China

For Broadcast/Industrial use.
Removed from working equipment, tested.
Used * No longer available for export
MFR: Amperex/JAN
SKU: 8322-P

Designed to operate as a transmitting tube up to 500MC
New Old Stock * No longer available for export
Limited 90 Day Warranty
MFR: Amperex
SKU: 5894

• Input Wattage: 315
• 125W plate power.
• Full ratings operation up to 30MHz
• Up to 120MHz at reduced input
• Also used as Class B modulator.

The grid of the 805 is designed so that the amplification of the tube varies with the amplitude of the input signal. This feature facilitates the design of Class B A-F amplifiers and modulators to give high output with low distortion.

MFR: China
SKU: 805-RFP