Vintage Sylvania Tube Tester Model 2500. This tube tester is in good condition. The knob used to scroll through the tubes listing/test settings works, and in the pictures note that the red light goes on when the unit is turned
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Vintage Sylvania Tube Tester model 2500 for pickup (shipping may be possible)
Vintage Sylvania Tube Tester model 2500 for pickup (shipping may be possible)
Vintage Sylvania Tube Tester Model 2500. This tube tester is in good condition. The knob used to scroll through the tubes listing/test settings works, and in the pictures note that the red light goes on when the unit is turned
Read more