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  • NOS Amperex USA JEP-5847 [WE 404A] Gray Plate D Get Gold Pins Vacuum Tube 100%+

NOS Amperex USA JEP-5847 [WE 404A] Gray Plate D Get Gold Pins 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. We are known for our excellent customer service! All tubes have been tested for mutual transconductance, shorts, leaks, gas and noise on one of our calibrated Hickok TV-7 tube testers.

Any pair or 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 matching criteria is by date codes, which we do match when possible.

Actual Brand: Amperex
Printed Brand: Amperex
Type: JEP-5847 [WE 404A]
Number of Tubes: Single
Plate Construction: Gray
Getter Construction: Top D
Country: USA
Visible Date Codes: W52 *0B 0-43 007
Lettering Condition: Good
Box Included: 1 Box-Not Original
Tests NOS: Yes
Actual NOS (Some Tubes Test NOS but have a few hours on them): Yes
Notes: Gold Pins
Mutual Transconductance (Gm) Test Data: 50 where the minimum good value is 30 and the New Old Stock (NOS) value is 49 or 100%+ of what a new tube should test


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