2 Vintage Rca 12AT7 ECC81 Vacuum Tubes Black Plates
$ 15.31
Description
2 Vintage Rca 12AT7 ECC81 Vacuum Tubes Black Plates 🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼🎼 The measurements provided were made on a Triplett 3444 that has been modified to test tubes in accordance with the original manufacturer’s stated test conditions, including bogey values. This includes the use of cathode bias where specified. This tester was prepared by Paul Hart of Roswell, GA. Further information is available on request. Industry Bogey transconductance = 5500|5500 µmhos Industry Bogey plate current = 11.0|11.0mA Results = pictured ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ USA Shipping $6 I have many other types of tubes All tubes r Guaranteed ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirl's Guaranteed VintageTubes ov9
