Transmitting Tubes

Special purpose, broadcast/industrial High Mu Triode
New Old Stock * No longer available for export
MFR: General Electric Company
SKU: GL-2C39A-GE

The 2C39WA is a planar triode of ceramic and metal construction designed as a power amplifier, oscillator, or frequency multiplier in the VHF and UHF ranges. The 2C39WA is manufactured and tested to exacting tolerances to insure consistent and uniform tube performance.

New Old Stock * No longer available for export
MFR: General Electric Company
SKU: 2C39WA-GE

The Eimac 2C39A is a ceramic-metal high-mu planar triode with a plate dissipation rating of 100 watts, designed as a power amplifier, oscillator, or frequency multiplier at frequencies to above 2500 megacycles.

New Old Stock * No longer available for export
MFR: Eimac
SKU: 2C39A-EI
Data Sheet

• Filament: Thoriated Tungsten
• Voltage: 7.5 volts
• Current: 20 – 22.7 Amps
• Amplification Factor: 6.9

Used * No longer available for export
MFR: Eimac
SKU: 4PR1000A-EI-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.

New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CS250H-AMP

Ruggedized construction allows the 4CS250R to be operated in applications where shock and/or vibration is experienced.

The Sealed Bag was ripped and allowed air to reach the tube resulting in minor corrosion around the threaded hole. Corrosion has been removed.

New Old Stock, Not for Export
MFR: Amperex
SKU: 4CS250R

• Filament: Thoriated Tungsten
• Voltage: 7.5 + 0.37 volts
• Current: 20 Amps
• Amplification Factor: 200

Used * No longer available for export
MFR: Eimac 
SKU: 3-1000Z-EI-P

Data Sheet

This 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: 20.0 – 22.7 Amps
• Amplification Factor: 6.1 – 7.

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4-1000A-EI

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.

4-500B  Transmitting Tube, Tetrode, Glass,  MFR:Triton

Limited Quantity Available, New Old Stock, Not for Export