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2A3 Ken-Rad Vintage Black Plate Power Amplifier Triode (NOS/NIB)
2A3 Ken-Rad Vintage Black Plate Power Amplifier Triode (NOS/NIB)

In Stock

$178.91

The 2A3 is a three-electrode, high-vacuum type of power amplifier tube for use in the power-output stage of AC operated receivers.



  • Filament voltage (AC or DC): 2.5v

  • Filament current: 2.5 Amps


New Old Stock * No Longer Available for Export
MFR: KEN-RAD
SKU: 2A3-BP-KEN-RAD

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JW2C51 Western Electric (396A / 5670) High Frequency Black Plate Twin Triode (NOS)
JW2C51 Western Electric (396A / 5670) High Frequency Black Plate Twin Triode (NOS)

In Stock

$159.91

Designed to be used in audio amplifiers.



  • Can replace 396A and 5670


New old stock * No longer available for export.
MFR: Western Electric
SKU: JW2C51

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5687/JTL5687 Tung-Sol Special Quality Black Plate Double Triode (NOS)
5687/JTL5687 Tung-Sol Special Quality Black Plate Double Triode (NOS)

In Stock

$39.91

All our stock is from bulk and the tubes will come in white boxes.


New Old Stock * No longer available for export
MFR: Tung-Sol
SKU: 5687-TUNG


Data Sheet

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12AT7/ECC81 National High Frequency Black Plate Twin Triode (NOS)
12AT7/ECC81 National High Frequency Black Plate Twin Triode (NOS)

In Stock

$39.91

New old stock * No longer available for export.
MFR: National
SKU: 12AT7-ECC81-BP-NAT


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EF94 / 6AU6 Mullard Sharp-Cutoff RF Pentode (NOS)
EF94 / 6AU6 Mullard Sharp-Cutoff RF Pentode (NOS)

In Stock

$49.91

Short-grid base pentode primarily indended for use as R.F. amplifier.
New Old Stock * No longer available for export
MFR:Mullard
SKU: EF94/6AU6-MUL

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6AQ6 RCA Double Diode High-Mu Triode (NOS/NIB)
6AQ6 RCA Double Diode High-Mu Triode (NOS/NIB)

In Stock

$3.91

Designed aa a combined detector, AVC rectifier, and audio voltage amplifier.



  • Heat voltage: (AC or DC): 6.3 volts

  • Heater current: 150  Ma


New Old Stock * New In Box * No longer available for export
MFR: RCA
SKU: 6AQ6-RCA

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6AQ6-JAN-JRC RCA Double Diode High-Mu Triode (NOS/NIB)
6AQ6-JAN-JRC RCA Double Diode High-Mu Triode (NOS/NIB)

In Stock

$3.91

Designed aa a combined detector, AVC rectifier, and audio voltage amplifier.



  • Heat voltage: (AC or DC): 6.3 volts

  • Heater current: 150  Ma


New Old Stock * New In Box * No longer available for export
MFR: RCA
SKU: 6AQ6-JAN-JRC-RCA

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5963 RCA Black Plate Medium Mu Twin Triode (NOS/NIB)
5963 RCA Black Plate Medium Mu Twin Triode (NOS/NIB)

In Stock

$14.91

Designed primarily for use as a frequency divider in electronic computers as well as other On/Off control circuits.
New old stock * New In Box * No longer available for export.
MFR: RCA
SKU: 5963-BP-RCA

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GL5963 General Electric Black Plate Medium Mu Twin Triode (NOS/NIB)
GL5963 General Electric Black Plate Medium Mu Twin Triode (NOS/NIB)

In Stock

$14.91

Designed primarily for use as a frequency divider in electronic computers as well as other On/Off control circuits.
New old stock * New In Box * No longer available for export
MFR: General Electric Company
SKU: GL5963-BP-GE

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5963-CHS-USN Sylvania Medium Mu Twin Triode Tube (NOS/NIB)
5963-CHS-USN Sylvania Medium Mu Twin Triode Tube (NOS/NIB)

In Stock

$14.91

Designed primarily for use as a frequency divider in electronic computers as well as other On/Off control circuits.
New Old Stock * New In Box * No longer available for export
MFR: General Electric Company
SKU: 5963-CHS-USN-SYL

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Items 91 to 100 of 615 total