Transmitting Tubes

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.

• Cathode: Thoriated tungsten
• Filament Voltage: 6.3 volts
• Filament Current: 32.5 amps
• Amplification Factor: 22

Clean Used * No longer available for export
MFR: Amperex Electronic Corporation
Made in France
SKU: 7092-AMP-P

Data Sheet

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.

Designed to function as a power amplifier tube in radio amplifiers and transceivers.
New old stock * New In Box * No longer available for export.
MFR Date: 11/1943
MFR: National Union Radio Corporation
SKU: 1625-NU

This tube is similar to Motorola p/n# 97-136A01

New Old Stock, No longer available for export
MFR: Amperex
SKU: 8643-AMP

• Rebuilt on an Eimac core
• Filament: Thoriated Tungsten
• Voltage: 7.5 + 0.37 Volts
• Current, at 7.5 volts:  50 Amps

Rebuilt * No longer available for export
MFR: Econco
SKU: 3CX2500H3-EC

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.

• Filament: Thoriated Tungsten
• Voltage: 7.5
• Current: 21 Amps
• Amplification Factor: 7

New Old Stock * No longer available for export
MFR: Amperex
Made in France
SKU: 4-1000A-AMP

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.

• Filament: Thoriated Tungsten
• Voltage: 7.5
• Current: 21 Amps
• Amplification Factor: 7

New Old Stock * No longer available for export
MFR: Triton

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.

Designed to function as an af power amplifier and modulator, a linear RF power amplifier, and a class C power amplifier and oscillator.

New Old Stock, New In Box * No longer available for export
MFR:GE, RCA, Motorola
SKU: 6883B

8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube. 

Low Hour Pull
MFR: Eimac
SKU: 4PR400A-JAN-LHP