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![]() |

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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4X500A Eimac Transmitting Tube Radial Beam Power, Triode (NOS)
In Stock
Transmitting Tube Radial Beam Power, Tetrode, Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Eimac
SKU: 4X500A
Six Month Warranty

8295A Eimac Radial Beam Power Pentode (NOS)
In Stock
- Cathode: Oxide Coated Unipotential
- Voltage: 6.0 + 0.3 volts
- Current at 6.0 volts: 8.2 Amps
- Amplification Factor (Average): 3.4
New old Stock * No longer available for export
MFR: Eimac
SKU: 8295A
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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4-125A 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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4-400A EIMAC Transmit Tube (NOS/NIB)
In Stock
Transmitting Tube, Tetrode, Glass Envelope
New Old Stock / New In Box * No longer available for Export
MFR: Eimac, USA
SKU: 4-400A-EI
Six Month Warranty

4PR60C Eimac Transmitting Tube Pulse Rated 4PR60C/8252W (NOS)
In Stock
Transmitting Tube, Pulse Rated, 4PR60C/8252W Broadcast/Industrial
New Old Stock * No longer available for export
MFR: Jan/Eimac, USA
SKU: 4PR60C
Six Month Warranty

4PR400A EIMAC Pulse-rated Transmit Tube (NOS)
In Stock
8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube.
New Old Stock
MFR: Eimac
SKU: 4PR400A

4-500A Eimac/Triton Glass Transmitting Tube, Tetrode (NOS)
In Stock
Glass Transmitting Tube, Tetrode (NOS)
New Old Stock * No longer available for export
MFR: Eimac/Triton
SKU: 4-500A
Six Month Warranty

4-400C / 6775 Eimac Radial Beam Power Tetrode (NOS/NIB)
In Stock
For Broadcast and Industrial use.
New Old Stock / New In Box * No longer available for Export
MFR: Eimac, USA
SKU: 4-400C-EI-BOX
See Data Sheet
NOTE: Picture for reference only
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