Description: Vintage CHS Sylvania JAN 12AU7 Long Black Plates 12AU7 ECC82 Vacuum Tube **** Tested on our proprietary tester , the E3444. It's a Triplett 3444 that has been enhanced. This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures. Filament voltage is also controlled. Tubes are tested in accordance with the manufacturer's specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics. Tubes can be accurately matched for gm & plate current at the manufacturer's specified test points or at other specified test points. ***** This tester was prepared by Mr. Paul Hart of Roswell, GA ********************************************************************* Industry Bogey transconductance = 2200|2200 µmhos Industry Bogey plate current = 10.0|10.0mA Results =1950|1925µmhos ~ 9.3|9.2mA USA Shipping $6 No Int'l shipping I combine shipping on all orders ~~~~~~~~~~~~~~~ALL Tubes Guaranteed ~~~~~~~~~~~~~~~~~~~~~ ***********Thank you **************
Price: 33.99 USD
Location: Matawan, New Jersey
End Time: 2024-09-26T14:16:07.000Z
Shipping Cost: 6 USD
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All returns accepted: ReturnsNotAccepted
Brand: RCA
