1962 Sylvania 12BH7A Tube TESTS NOS & BALANCED 12AU7 Upgrade HIFI Guitar Amp
Item History & Price
| Reference Number: Avaluer:7597365 | Brand: SYLVANIA |
| Type: Preamp Tubes | Model: 12BH7A |
| Country/Region of Manufacture: United States | UPC: Does not apply |
Selling a 1962 Sylvania 12BH7A tube with dark grey plates and a halo getter. This is a Hammond rebrand and has a 31262-52 JAJ manufacturer/date codes with minimal print wear.Tested on a recently calibrated Lafayette TE-50, these passed shorts and leaks testing. They had emissions test results of 100% and 101% for each side of the tube. This was also Gm (transconductance) tested on a recently calibrated Mercury 2000 tester with results of 37/30 and 36/30 for each side as well!If you hav...e any questions, feel free to message me. I package carefully and ship within one day via USPS First Class. I also have 100% positive feedback so you can buy with confidence. Thanks for looking!*** MOST TUBES ARE NOT TESTED IN CIRCUIT FOR NOISE/MICROPHONICS, UNLESS OTHERWISE STATED. THESE ARE TYPICALLY ONLY TESTED ON ONE OR TWO DIFFERENT TESTERS. ALL VINTAGE TUBES ARE SOLD AS IS.I TYPICALLY PACKAGE LATE NIGHT OR EARLY IN THE MORNING, AND 90% OF THE TIME HAVE PACKAGES DROPPED OFF TO CARRIER BY NOON. IF YOU MAKE AN EARLY MORNING PURCHASE, I MAY BE ABLE TO GET YOUR PACKAGE OUT SAME DAY. ***
