These tubes test 88/89 and 90/91 where a new tube tests 85/85.
Pair NIB International Service Master 6SN7 Disc Getter Vacuum Tubes – TV7 Tested
They tested NOS where the minimum is 50.
CHANNEL MASTER HITACHI 6SN7 GTB TUBE LOW NOISE GRAY LADDERS PERFECT MATCHED SET
🔥 Rugged Long-Life GTB Design. HITACHI 6SN7GTB. 🔥 RARE JAPAN-MADE CHANNEL MASTER 6SN7GTB MATCHED PAIR 🔥. PERFECT MATCHED SET. These late-era Japanese Channel Master GTBs are highly regarded for their exceptionally clean construction quality, reliability, and refined audiophile sound signature.
1 Vintage Used National Union Admiral 6SN7GT Black Glass Tube – Tests Low
Tube tests low at 58/46 on TV-7/U tester, with 50 the minimum. The base has a crack, one pin is loose. The tube test reading given are to be taken as an approximate value to give a general idea of the tube’s condition.
6SN7 GE Balanced Tube (New Old Stock) NEW 1 Year Warranty
Reference tube is tested first then the tube listed for sale.
6SN7GTA GE Side D Getter Balanced Tube NEW 1 Year Warranty
Reference tube is tested first then the tube listed for sale.
6SN7GT RCA Bottom D Getter Tube 1 Year Warranty
Reference tube is tested first then the tube listed for sale.
6SN7GTB Raytheon Tall Tube (New Old Stock) NEW 1 Year Warranty
Reference tube is tested first then the tube listed for sale.
6SN7GTA RCA Side D Balanced Tube NEW 1 Year Warranty
RCA bottom D getter with smoked glass. Reference tube is tested first then the tube listed for sale.
6SN7GT Tung-Sol Bottom D Getter Tube 1 Year Warranty
Reference tube is tested first then the tube listed for sale.