Min = 40 100% = 62.
Matched Pair Tung-Sol 5Y3GT Rectifier Tubes 5Y3
Tung-Sol 5Y3GT. Black Plate Rectifier Tubes. Matched Pair.
Matched Pair Tung-Sol 5Y3GT Rectifier Tubes 5Y3
Tung-Sol 5Y3GT. Black Plate Rectifier Tubes. Matched Pair.
RCA 5Y3GT Black Plate Vacuum Tube TV-7 Tested Strong 58/52 Date Code 58-22
For reference, the minimum acceptable reading is 40, indicating this tube tests strong. • TV-7 Reading: 58 / 52. This tube features the desirable black plate construction and date code 58-22 (1958 manufacture).
RCA 5Y3GT Black Plate Vacuum Tube TV-7 Tested Strong 58/52 Date Code 58-22
For reference, the minimum acceptable reading is 40, indicating this tube tests strong. • TV-7 Reading: 58 / 52. This tube features the desirable black plate construction and date code 58-22 (1958 manufacture).
(2) Westinghouse 5Y3GT Rectifier Tubes Black Plates Tests Strong TV-7B/U
(2) Westinghouse 5Y3GT Rectifier Tubes Black Plates Top D Getters. Tube 1 tests at 54/52 and tube 2 at 54/50 with 40 being the minimum score for a good tube (with 65% life remaining).
(2) Westinghouse 5Y3GT Rectifier Tubes Black Plates Tests Strong TV-7B/U
(2) Westinghouse 5Y3GT Rectifier Tubes Black Plates Top D Getters. Tube 1 tests at 54/52 and tube 2 at 54/50 with 40 being the minimum score for a good tube (with 65% life remaining).
(2) NOS Sylvania (RCA Brand) 5Y3 GT Black Plate Rectifier Tubes ~ MATCHED PAIR!
5Y3 GT Black Plate. Made for RCA by Sylvania. Matched date codes. Test results are as follows with 40 being the minimum value (65%), low NOS is 52 (85%) and NOS is 61 (100%) Rectifier Tubes ~ MATCHED PAIR!
(2) NOS Sylvania (RCA Brand) 5Y3 GT Black Plate Rectifier Tubes ~ MATCHED PAIR!
5Y3 GT Black Plate. Made for RCA by Sylvania. Matched date codes. Test results are as follows with 40 being the minimum value (65%), low NOS is 52 (85%) and NOS is 61 (100%) Rectifier Tubes ~ MATCHED PAIR!
National 5Y3GT Rectifier Tube New In Box
New in box