SET #1: USED QUAD FOUR (4) GE 7591A "COIN BASE" AUDIO POWER TUBES TEST STRONG!!!
£352.13
Tested using Weston Model 981 Type-3 Tube Tester: Results Tube #1:6300; Tube #2:6300; Tube #3: 6300; Tube #4: 6000- Min Acceptable:1100. All tubes have identical Date Codes: LC 188-5.
