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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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Items 41 to 46 of 46 total