DESCRIPTION:Matched Pair GE 5692 NOS NIB 3 Mica Red Black Plate 1956 Tube/Valve ConditionTube: NOS Box:GE Lettering: 99%Date Code: 56-43 188-5Some boxes are brittle, or have imperfections, starting to crumble TESTED IN A HICKOK 752A1) Filament 2) checked for shorts, Leakage 3) Grid (Gas) 4) Emission Test 5) Dynamic Mutual Conductance Result on Tube 1 ( 675/650 GM ) Minimum Value = 350/350 Tube 2 ( 675/650 GM ) Minimum Value = 350/350Where NOS Value = 539/539AND6) Life Test = Useful Life in Tube =100%Tested on others Hickok 100%+TV-7D/U @ 100% Since vacuum tubes were made 30 ? 70 years ago New Old Stock or Used may have cosmetic evidence of age. This includes poor print, oxidized pins, faint discoloration, or poorly boxTwo testers are never the same. So this shows what I get, and what you get may be slightly 10% different.If I state any values they are for a guide only.No guarantee is made that any tube will test to a specific value in the buyers tube tester, most all tubes are tested on at least two tube testersThis because of the variation in line voltage, different bias, and circuits. Return PolicyGuarantee:100% Contact UsIf youre in any way dissatisfied with your purchase, do not hesitate to contact us through MY MESSAGES. We will do our best to solve it for you. We are committed to ensuring that you are completely satisfied with every transaction.So Please DO contact us first to get a better solution before you would leave Negative or Neutral feedback. Shipping timesDomestic USPS First Class Mail: 3-7 Days, includes tracking International BuyersPlease Note:Buyer is responsible for all taxes, duties, and import fees. Please contact your local customs office for costs.

5692 AMPLIFIER VALVE DOUBLE TRIODE (6SN7) SPECIAL QUALITY long life Equivalent to 6SN7 of good appearance with brown Bakelite base SIGNED FOR POSTAGE TO UK AREAS ONLY £4,90 NO OVERSEAS POSTAGE

Tested on Amplitrex AT1000. Test: 2600-2600 New value is 2600-2600 Worked fine in the preamp. See our other auctions for many more tube lots.