Tubes - Transmitting, Audio, Misc.

4-400A  EIMAC Transmit Tube (NOS)

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4-400A-EI-NOS

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

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

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

Used
MFR: Eimac
SKU: 4PR400A-EI-P

Radial Beam Power Tetrode Transmitting Tube
New Old Stock
MFR: Eimac
SKU: 4X150-JAN-7034

NOTE: The photo is for reference only.

YU-158 (YU158) tubes are "SELECT" tubes for medical use 8877 tubes.

• Dented Heat Sink

Tested Pullout * No longer available for export
MFR: Eimac
SKU: YU158-DENT-P

30 Day Warranty

• Pulse Rated version of the 3CX1500A7
• Maximum Plated Dissipation: 1500 Watts
• Maximum Grid Dissipation: 25 Watts
• Frequency for max rating (CW): 250 MHz

Used * No longer available for export
MFR: Eimac
SKU: 3CPX1500A7-P

Data Sheet

Special purpose, broadcast/industrial High Mu Triode
New Old Stock * No longer available for export
MFR: Machlett
SKU: 7289-JAN-CAGD-MACH

The RCA 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 * Not available for export
MFR: RCA
SKU: 2C39A-RCA

• Filament: Thoriated Tungsten
• Voltage: 7.5
• Current: 20.0 – 22.7 Amps
• Amplification Factor: 6.1 – 7.7

Low Hour Pull * No longer available for export
MFR: Sylvania
SKU: 4-1000A-SYL-LPH

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.