(2) Matched RCA 5692 Red Base. Up for sale is a MATCHED PAIR of RCA 5692 red base black plate tubes. Black plates, triple mica and top “D” getters. Black Plate 1955 Military Tubes. TEST STRONG! Will be professionally boxed with the utmost care.
One 6SN7 (amp socket) TO Twin E88C 8255 tube converter adapter
Before order if don’t know how to adjust E88C work point maybe will happened huming noise. So, All tube converter adapter from tube amplifier socket to want change tube, that’s correct.
Matched Pair +1 Sylvania 6SN7 Staggered Black Plate Tubes Balanced STRONG 3pcs
Note – there are no markings on the glass, the markings have faded or rubbed-off. Sylvania 6SN7GT. Matched Pair +1.
(2) GE 6SN7GTB Vacuum Tubes Short Bottle Side HS Getters Gray Plates Tests NOS
(2) GE 6SN7GTB Vacuum Tubes | Short Bottle | Side Horseshoe Getters | Gray Plates.
Pair 1954/55 RCA Black Plate Side Getter 6SN7GTA Tubes STRONG! 6SN7
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.