GE JAN-5687WB Matched Pair — Military Grade NOS
Matched Pair
Black Plate
Ring Getter
Made in USA
Black Plate
Ring Getter
Made in USA
Excellent Performance: These tubes test significantly above the 9mA industry standard. Both exhibit strong transconductance and tight triode matching for balanced stereo imaging.
Note: Custom duties and international taxes are the responsibility of the buyer.
Up for sale is a matched pair of GE JAN-5687WB double triodes. These are high-reliability, military-spec tubes featuring robust Black Plates and Ring Getters. Manufactured in the USA, they are perfect for high-end preamps and driver stages. Fully verified on the Amplitrex AT1000.
| SR. NO. | Triode | Ip mAdc | Ip % | uMhos (Gm) | Gm % |
|---|---|---|---|---|---|
| 5279003 | T1 | 10.2 | 113% | 4490 | 112% |
| T2 | 9.0 | 100% | 4700 | 117% | |
| 5279004 | T1 | 8.2 | 91% | 4500 | 112% |
| T2 | 11.6 | 128% | 4900 | 122% |













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