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  • NOS CBS [Hytron] USA JHY-0B2 Shiny Plate Top Vacuum Tube 100%+

NOS CBS [Hytron] USA JHY-0B2 Shiny Plate Top Vacuum Tube 100%+

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Product Description

Matched, Tested & Guaranteed Vacuum Tubes

All tubes are guaranteed to be 100% as described or your money back. All tubes have been tested for mutual transconductance, shorts, leaks, gas and noise on my calibrated Hickok TV-7/U.

Any pair of quad described as matched means that the tubes will have the same exact construction and will test within a close range of each other for Mutual Transconductance. The last criteria is date codes, which I do match when possible.

Actual Brand: CBS [Hytron]
Printed Brand: CBS Hytron
Type: JHY-0B2
Number of Tubes: Single
Plate Construction: Shiny
Getter Construction: Top Horseshoe
Country: USA
Visible Date Codes: 309
Lettering Condition: Good
Box Included: None
Tests NOS: Yes
Actual NOS (Some Tubes Test NOS but have a few hours on them): No
Mutual Transconductance (Gm) Test Data: 86 where the minimum good value is 40 and the New Old Stock (NOS) value is 66 or 100%+ of what a new tube should test


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