Other
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813 National Union Transmitting Tube (NOS)
$79.91The 813 beam power tube was very popular with amateur radio operators following WW II. The tube remained a staple of amateur radio until single sideband became a popular operating mode in the late 1950's and early 1960's. Featuring a graphite plate with an ICAS dissipation rating of 125 watts the tube was very economical and a pair could provide legal limit operation (1 kilowatt input) on CW or AM.
New Old Stock * No longer available for export
MFR: National Union
SKU: 813-NUMade in the USA -
5933 Sylvania Tetrode Vacuum Tube with Black Plate (NOS)
$17.91 -
5933 JAN-CHS Sylvania Tetrode Vacuum Tube with Black Plate (NOS)
$19.91 -
5933WA JAN-CHS Sylvania Tetrode Vacuum Tube with Black Plate (NOS)
$17.91 -
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4-1000A / 8166 RCA Radial-Beam Power Tetrode (Pull)
$798.91- Filament: Thoriated Tungsten
- Voltage: 7.5
- Current: 20 - 22.7 Amps
- Amplification Factor: 6.1 - 7.7
Used * No longer available for export
MFR: RCA
SKU: 4-1000A-RCA-PThis 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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4-1000A / 8166 Amperex Radial-Beam Power Tetrode (Pull)
$798.91- Filament: Thoriated Tungsten
- Voltage: 7.5
- Current: 21 Amps
- Amplification Factor: 7
Used * No longer available for export
MFR: Amperex
Made in France
SKU: 4-1000A-AMP-PThis 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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807 General Electric Beam Power Amplifier (NOS)
$19.91 -
7609 Amperex Ceramic/Glass Transmitting Tube (Pull)
$59.91 -
5851 Tung Sol Beam Power Pentode Tube (NOS/NIB)
$9.91
