5V4G Sylvania Tube (New Old Stock) Test New 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
5V4G RCA Tube (New Old Stock) Test New 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
5V4G GE Tube (New Old Stock) Test New 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
5V4G GE Tube (New Old Stock) Test New 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
5V4 General Electric Rectifier Radio Vacuum Guitar Tube 115% NOS Balanced Strong
One NOS General Electric 5V4 G rectifier tube. Was tested on the Jackson model 103 Hickok style tester where the minimum good value is 25 and the average NOS value is 40. Tube type(s) Thru plate. Bottom large D getter.
Matched Pair RCA 5V4G Rectifier Tubes Black Plates D Getters Tests Strong TV-7BU
Matched Pair RCA 5V4G Rectifier Tubes Black Plates D Getters. Tube 1 tests at 60/60 and tube 2 at 56/58 with 40 being the minimum score for a good tube (with 65% life remaining).
