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![]() |

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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3CX800A7 Eimac Transmitting Tube (Pull)
In Stock
Used * Dented Heat Sink
MFR: Eimac
SKU: 3CX800A7-D-P
NOTE: Image is for reference only. Cosmetic condition will vary. You may request a photo.
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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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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4CX5000A Eimac Transmitting Tube (NOS)
In Stock
Transmitting Tube 4CX5000A
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX5000A-EI-1
Six Month Warranty

4CX600F Eimac Transmitting Tube Tetrode (NOS)
In Stock
Transmitting Tube Tetrode
Special for UHF, TV, etc.
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4CX600F

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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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.
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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

4CX250B/7203 Eimac Transmitting Tube (NOS)
In Stock
Eimac Transmitting Tube
New Old Stock * No longer available for export
SKU: 4CX250B-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
4CX1500B/8660 Eimac Transmitting Tube (Pull)
In Stock
Eimac Transmitting Tube
Used * No longer available for export
MFR: Eimac
SKU: 4CX1500B-P
Email rfq@rfparts.com for price quote
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