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![]() |

4CX250R Amprex Transmitting Tube 7580W (Pull)
In Stock
Used * No longer available for export
MFR: Amprex
SKU: 4CX250R-AMP-P
NOTE: Picture for reference only. Condition and Cosmetics may vary.
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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4CX125C Eimac Ceramic Transmitting Tube Tetrode (NOS)
In Stock
Silver coating on these tubes has tarnished due to air exposure
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX125C

4CX350A Amperex Transmitting Tube (4CX350A / DX553 / 8321)(NOS)
In Stock
Amperex Transmitting Tube DX553/4CX350A/8321
New Old Stock * No longer available for export
MFR: Amperex
SKU: 4CX350A-Amp

4CX350A Eimac Transmitting Tube 8321/4CX350A (NOS)
In Stock
Transmitting Tube Tetrode, Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX350A-EI
Six Month Warranty
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4CX1000A / 8168 Eimac Ceramic Power Tetrode (NOS)
In Stock
- Cathode: Oxide Coated, Unipotenial
- Heater Voltage: 6.0 ±0.3 Volts
- Heater Current at 6 Volts: 9.0 Amps
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX1000A-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.
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8809 / 4CX600J Eimac Ultra Linear Power Tetrode (NOS)
In Stock
- Cathode: Oxide Coasted, Unipotential
- Heater Voltage: 6.0 +0.3 Volts
- Heater Current, at 6.0 Volts: 5.4 Amps
- Cathode-Heater Potential (maximum): ±150 Volts
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX600J-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.
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4CX15000J Eimac Radial Beam Power Tetrode (NOS)
In Stock
- Filament: Thoriated Tungsten Mesh
- Voltage: 7.5 +0.3 Volts
- Current @ 7.5 volts: 160 Amps
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX15000J-NOS
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.
Add to Cart
4CX1500B / 8660 Eimac Radial Beam Power Tetrode (NOS)
In Stock
Cathode: Oxide Coated, Unipotential
Heating time: 3 Minutes
Heater:
Voltage: 6 Volts Nominal
Current: 9 Amps (minimum), 11 Amps (Maximum)
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX1500B-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.
Add to Cart

4CX250R Eimac Transmitting Tube 7580W (Pull)
In Stock
Transmitting Tube 7580W/4CX250R Broadcast/Industrial
Used * No longer available for export
MFR: Eimac
SKU: 4CX250R-EI-P
NOTE: Picture for reference only, Condition and Cosmetics may vary
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.
Add to Cart

4CX250R Eimac Transmitting Tube Broadcast/Industrial (NOS)
In Stock
Transmitting Tube, Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX250R-EI-NOS
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.
Add to Cart