Receiving Tubes

40, 3B25, 12K7, 12A4, 12BK5, 12GT5A, 10KZ8, 12SC7, 10LE8, 16GY5, 6U5, 10KU8, 12AL8, 9AK10, 12EL6, 17JE6, 12AD6, 12AE7, 12DZ6, 6HB5, 6GY5, 17AV5GA, 6GU5, 7B5, 24JE6A, 12A6GT, 12C5/12CU5, 7A5, 25JE6C, 6V8, 6GV5, 6N8, 12V6, 12K7GT, 12C8/VT153, 6100/6C4WA, 8BQ5, 12SL7GT, 20LF6MP, 12AC5 Tube, 12EK5 Tube, 6112A/6112, 6028/408A, 17CL3, 6LX8, 6JA5, 6XL8, 6HM5/6AH5, 6T50, 6AH8, 6137/6SK7WA, 7C6, 6LW8, 5992/6V6GT

STR-4B31 Semtech Vintage Solid State HV Rectifier Diode (NOS)

$54.91

Replacement for 4B31. Uses the PLCAP1 plate cap.
Size: 6.5" Long x 2.25" Diameter

New Old Stock * No longer available for export
MFR: Semtech
SKU: STR-4B31

Made in the USA
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5Y3GT Ken-Rad Full Wave High Vacuum Rectifier Tube (Pull)

$54.91

Ken-Rad Full Wave High Vacuum Rectifier Tube
Similar to CV-4027/5Y3WGT/5Y3WGTA

Used * No longer available for export
MFR: Ken-Rad * Made in USA
SKU: 5Y3GT-KEN

Made in the USA
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6087/5Y3WGTB Raytheon Full Wave High Vacuum Rectifier Tube (NOS/NIB)

$49.91

Designed to function as a rectifier in medium voltage applications.
New old stock * New In Box * No longer available for export.
MFR: Raytheon
SKU: 6087
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2C40A Tube Medium Mu Triode

$44.91

Designed to function as either a amplifier or oscillator up to 3.75GHz. Pulsed operation possible, delivering up to 300W out at 3GHz.
New old stock * No longer available for export.
MFR: GE
SKU: 2SC40A

Made in the USA
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5U4GB/ 5AS4A General Electric Tube Full-Wave High-Volume Rectifier(NOS/NIB)

$44.91

Rectifier tube for amplifiers.
New Old stock * No longer available for export
NOTE: PICTURE FOR REFERENCE ONLY.
MFR:GE, USA
SKU: 5U4GB-GE-BT

Made in the USA
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5U4GB/ 5AS4A JAN / Sylvania Tube Full-Wave High-Volume Rectifier(NOS/NIB)

$44.91

MFR:JAN / Sylvania, USA
New Old stock * No longer available for export
NOTE: PICTURE FOR REFERENCE ONLY.
SKU: 5U4GB-JAN

Made in the USA
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5AU4 RCA Full-Wave High-Volume Rectifier Tube (NOS/NIB)

Call for Price
1-800-RFPARTS (1-800-737-2787)

Heavy duty version 5U4GB
MFR: RCA
New old stock * No longer available for export
SKU: 5AU4-RCA
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2C53 National Union High Mu Triode Amplifier Tube (NOS/NIB)

$43.91

Base	Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap
Filament	Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description	HV triode, intended for use as shunt regulator. 8000V max anode voltage, 5mA average, 100mA peak, 12W max dissipation. +/-300V insulation between cathode and heater.

New old stock * New In Box * No longer available for export.
MFR: National Union
SKU: 2C53

Made in the USA

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3D21WB Pulse Beam Powered Tetrode Tube

$39.91

Designed to operate as a pulse modulator.
New old stock * No longer available for export.
MFR: Tung Sol, MU Incorporated
SKU: 3D21WB

Made in the USA
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2C39BA/7289/3CX100A5 Siemens Transmitting Tube Microwave Triode (NOS)

$39.91

Siemens Transmitting Tube Microwave Triode
New old stock * No longer available for export
MFR: Siemens-Rohre
SKU: 2C39BA-SIEMENS

Made in the USA
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Receiving Tubes

Buy with confidence