Tubes - Transmitting, Audio, Misc.

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-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

The Svetlana^TM GP-5 is a glass-envelope beam power triode intended for use as a shunt regulator or pulse modulator in high-voltage systems. 

New Old Stock * No longer available for export
MFR: Svetlana, Russia
SKU: GP5

• 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

• 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 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

• 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, 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 by RF Parts prior to shipment.

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

MFR: CHINA
SKU:811A-RFP-MP

New Old Stock * No longer available for export
MFR: Eimac 
SKU: 8560AS-EI
Six Month Warranty

• Filament: Thoriated Tungsten
• Voltage: 7.5 ± 0.37 Volts
• Current: 20 Amps
• Amplification Factor: 200

New Old Stock * No longer available for export
MFR: Eimac 
SKU: 3-1000Z-EI

See Data Sheet

This New Old Stock (NOS) tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Six Months from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.