Transmitting Tubes

This Machlett 2C39A is a glass-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 * Not available for export
MFR: Machlett
SKU: 2C39A-MACH

7289 / 3CX100A5 / 2C39BA
Used * No longer available for export
MFR: General Electric Company
SKU: JG-7289-GE-P

The 4X150D tetrodes are compact power tubes intended for use as amplifiers, oscillators, or frequency multipliers at frequencies up to 500 megacycles. They are designed for operation at a heater potential of 26.5 volts.

Used * No longer available for export
MFR: Eimac
SKU: 4X150D-EI-P

Radial Beam Power Tetrode Transmitting Tube
Used * No longer available for export
MFR: Eimac
SKU: 4X150A-EI-P

NOTE: The photo is for reference only.

Ceramic/Glass Tetrode
HD version of 4X150D
Clean Used * No longer available for export
MFR: Amperex
SKU: 7609-AMP-P

This Eimac 2C39A is a glass-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-GLASS-EI
Data Sheet

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

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

Similar to 4X150A with coaxial base. Max frequency raised to 500MHz CW or to 1500MHz pulse.

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4X150G-EI-NOS