6SN7GTB Westinghouse Tube. Made In USA. Top O Getter. No universal test result defines NOS. NOS tubes fall within the GM range published in the RCA Receiving Tube Manual;...
Up For Sale is 1 x Very Nice Balanced Westinghouse 6SN7GTB Tube Solid Disc Getter Vacuum Tube. Gray Plate/ Solid Disc Getter / Most likely 1964. Sweet Tube. Tests...
6SN7GTB Westinghouse Tube. Made In USA. Triode 1 NOS: 100/ 50 Baseline. Triode 2 NOS: 104/ 50 Baseline. Top O Getter. Manufactured in the 22th Week of 1963. No...
1 X 6SN7GTB TUBE. 1960s PRODUCTION. TESTED IN PIPE TEST TUBE TESTER.
Three Westinghouse 6SN7GTB vacuum tubes. The one that is taller measured 76/88% Gm, the matched two shorter ones tested strong! Please feel free to return items that do not...
2, NEW, Westinghouse 6SN7GTB, TALL bottle, black plate.
6SN7GTB Westinghouse Tube. Made In USA. Triode 1 NOS: 103/ 50 Baseline. Triode 2 NOS: 97/ 50 Baseline. No universal test result defines NOS. NOS tubes fall within the...
Westinghouse Reliatron 6SN7GTB Vacuum Tube NOS Original Box 1953 Audio Hifi. Shipped with USPS Ground Advantage.
Both dated May of 1967. The original sleeve and other boxes shown in the pictures are not included. Tested for shorts, emission, gas and noise.
Up For Sale is 1 x Super Nice, Perfectly Balanced Westinghouse 6SN7GTB Vacuum Tube. Matt Black Plate / Solid Disc Getter / Most likely 1963. Sweet Tube. Gain: 20.2...