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5903 Sylvania High Frequency Twin Diode Tube (NOS/NIB)
5903 Sylvania High Frequency Twin Diode Tube (NOS/NIB)

In Stock

$5.91

Designed for use in detector applications in UHF and low frequencies.
New old stock * No longer available for export.
MFR: Sylvania
SKU: 5903

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5977 RCA Sylvania Medium Mu Triode Tube (NOS/NIB)
5977 RCA Sylvania Medium Mu Triode Tube (NOS/NIB)

In Stock

$9.91

Designed primarily for use in control circuits where long life and stable performance is necessary.
New old stock * No longer available for export.
MFR: RCA, Sylvania
SKU: 5977

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6159A Sylvania Beam Power Amplifier Tube (6159A / 6159 / WL6159) (NOS)
6159A Sylvania Beam Power Amplifier Tube (6159A / 6159 / WL6159) (NOS)

In Stock

$15.91

New old stock * No longer available for export 
MFR: Sylvania
SKU: 6159-SYL


NOTE: PICTURE FOR REFERENCE ONLY. BRAND / CONDITION MY VARY.

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6350 Sylvania Medium Mu Twin Triode with Black Plates (NOS/NIB)
6350 Sylvania Medium Mu Twin Triode with Black Plates (NOS/NIB)

In Stock

$24.91

Designed for use in high-end digital computers. Each section features a high zero bias plate current, sharp cutoff and a seperate cathode connection.



  • Base: 9-Pin

  • Cathode: Coated Unipotential

  • Mounting: Upright or with Plate Majors in Vertical Position


New Old Stock * No longer available for export
MFR: Sylvania
SKU: 6350-SYL

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6922 Sylvania USN CHS Twin Triode (NOS)
6922 Sylvania USN CHS Twin Triode (NOS)

In Stock

$49.91

This 6922 tube type was rated the "best buy" by Vacuum Tube Valley magazine in their 6DJ8 / 6922 tube shootout. They cited a better bottom end and "less offensive" high frequencies as two of the reasons for their choice. This is also the same tube which is sold by Richardson's under the Bugle Boy brand name.


New Old Stock * No longer available for Export
MFR: Sylvania
SKU: 6922-SYL




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9002 Medium Mu Triode Tube (NOS)
9002 Medium Mu Triode Tube (NOS)

In Stock

$4.91

Designed to function as a oscillator, detector, and amplifier.
NSN: 5960-00-116-9986
New Old Stock * No Longer available for export
MFR: Sylvania / General Electric
SKU: 9002

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1P40/930 Red In-Fared Sensitive Gas Phototube (NOS/NIB)
1P40/930 Red In-Fared Sensitive Gas Phototube (NOS/NIB)

In Stock

$19.91

Designed for applications critical as to leakage under high humidity.
New old stock * New In Box * No longer available for export.
MFR: GE, Sylvania
SKU: 1P40


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 6LF6 Sylvania Beam Power Amplifier Tube SHORT Version (NOS/NIB)
6LF6 Sylvania Beam Power Amplifier Tube SHORT Version (NOS/NIB)

In Stock

$89.91

6LF6 Sylvania Beam Power Amplifier Tube SHORT Version (NOS/NIB)


This vintage Select Grade tube is 3.8 Inches from the Bottom of the Glass Envelope to the top of the Plate Cap.  These tubes are well suited for Palomar amplifiers and Swan Transceivers.  The tube is a 6.3V Filament version of the 8950. 


Limited Quantity Available  Not for Export  New Old stock. 


MFR: Sylvania, USA

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6922 / E88CC Twin Triode for Audio (Steel Pins)
6922 / E88CC Twin Triode for Audio (Steel Pins)

In Stock

$34.91

6922 /E88CC Twin Triode for Audio (Steel Pins)


6922 / E88CC is a "premium grade" version of the 6DJ8.  Most have gold plated pins, but many Sylvania manufactured 6922's have steel pins (a few Sylvania's are gold pin).


New Old Stock * No longer available for export
MFR: Made in Russia

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5814 Sylvania Medium-Mu Double Triode Tube (NOS/NIB)
5814 Sylvania Medium-Mu Double Triode Tube (NOS/NIB)

In Stock

$19.91

New old stock * No longer available for export
MFR: Sylvania
SKU: 5814-Sylvania

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