Transmitting Tubes
Please choose from the following TRANSMITTING TUBES Sub-Catagory choices:

5CX1500B Econco Power Pentode (Pull)

In Stock
This tube was rebuilt by Econco on an Eimac core.
Used Rebuilt * No longer available for export
MFR: Econco
SKU: 5CX1500B-P
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304TL Eimac Low-Mu Power Triode (NOS)

In Stock
- Filament: Thoriated Tungsten
- Voltage: 5.0 or 10.0 Volts
- Current: 25.0 or 12.5 Amps
New Old Stock * No longer available for export
MFR: Eimac
SKU: 304TL
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3CX10000A7 Taylor Tubes High-Mu 10,000 Watt Power Triode (NOS)
In Stock
Filament: Thoriated Tungsten
Voltage: 7.5 Volts
Current: 100 Amps
New Old Stock * No longer available for export
MFR: Taylor Tubes
Made in China
SKU: 3CX10000A7-TAY
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.
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4-1000A / 8166 Eimac Radial-Beam Power Tetrode (NOS)

In Stock
- 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
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.

4CS250H Amperex Transmitting Tube (NOS)

In Stock
New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CS250H-AMP
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3-400Z / 8163 Eimac Transmitting Tube (NOS)

In Stock
New Old Stock * No longer available for export
MFR: Eimac
SKU: 3-400Z
Note: Picture for reference only.
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.
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4CS250R / SD696 Amperex Broadcast / Industricial Transmitting Tube (NOS/NIB)

In Stock
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

4-1000A / 8166 Eimac Radial-Beam Power Tetrode (Pull)

In Stock
- Filament: Thoriated Tungsten
- Voltage: 7.5
- Current: 20.0 – 22.7 Amps
- Amplification Factor: 6.1 – 7.7
Clean Used * No longer available for export
MFR: Eimac
SKU: 4-1000A-EI-P
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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4-125A Eimac Radial Beam Power Tetrode (NOS)

In Stock
For use as an amplifier, oscillator, or modulator.
- Filament: Thoriated Tungsten
- Voltage: 5V
- Current: 6.5Amp
- Maximum plate-dissipation 125 Watt
- Maximum plate-voltage 3000V (3KV) at frequencies up to 120 Mc
- Base: 5 pin metal shell
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4-125A
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3-1000Z / 8164 Eimac High-Mu Power Triode (LHP)

In Stock
- Filament: Thoriated Tungsten
- Voltage: 7.5 + 0.37 volts
- Current: 20 Amps
- Amplification Factor: 200
Low Hour Pull * No longer available for export
MFR: Eimac
SKU: 3-1000Z-EI-LHP
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.
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