Tubes - Transmitting, Audio, Misc.
Please choose from the following TUBES Sub-Catagory choices:
572B![]() |
811A![]() |
6146![]() |
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4CX350 Series![]() |
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SOCKETS![]() |
CHIMNEYS![]() |
PLATE CAPS![]() |
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BOOKS![]() |
BASES![]() |
PARASITIC SUPPRESSOR![]() |

4PR400A EIMAC Pulse-rated Transmit Tube (Pull)
In Stock
8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube.
Used
MFR: Eimac
SKU: 4PR400A-EI-P

4X150A Eimac JAN-7034 Radial Beam Power Tetrode Transmitting Tube (NOS)
In Stock
Radial Beam Power Tetrode Transmitting Tube
New Old Stock
MFR: Eimac
SKU: 4X150-JAN-7034
NOTE: The photo is for reference only.
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YU158/8877 Eimac Transmitting Tube 3CX1500A7 /YU158 /8877(Pull)
In Stock
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
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3CPX1500A7 Eimac High-Mu Power Triode 3CX1500A7 /8877 (Pull)
In Stock
- 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
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7289 JAN-CAGD Machlett Transmitting Tube (NOS)
In Stock
Special purpose, broadcast/industrial High Mu Triode
New Old Stock * No longer available for export
MFR: Machlett
SKU: 7289-JAN-CAGD-MACH
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2C39A RCA High-Mu UHF Triode (NOS)
In Stock
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
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2C39A Machlett JAN-CAGD High-Mu UHF Triode with Glass and Metal Construction (NOS)
In Stock
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

3-500Z Eimac Transmitting Tube (LHP)
In Stock
3-500Z Eimac Transmitting Tube with Graphite Plate (LHP)
Low Hour Pull * No longer available for export
MFR: Eimac
SKU: 3-500Z-EI-LHP
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.
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4-400A / 8438 General Electric Transmit Tube (Pull)
In Stock
Transmitting Tetrode
Glass Envelope
Used * No longer available for export
MFR: General Electric
SKU: 4-400A-GE-P

304TH Eimac/Jan-CIM Medium-mu Power Triode (NOS/NIB)
In Stock
The Eimac 304TH is a medium-mu power triode intended for use as an amplifier, occilator or modulator. It has a maximum plate dissapation rating of 300 watts and a maximum plate voltage rating of 3000 volts at frequencies up to 40 Mc.
1200 watts plate power output with 53 watts driving power.
New Old Stock * New In Box * Not Available for Export
MFR: Eimac * Made in USA
SKU: 304TH
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