Pair tube Sun Valley sorting ball beam output tube measurement value 64/62 (rejected value 44) There is dullness on the base part with the original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box (with writing)
Pair tube direct heat triode Sun Valley sorting ball made in China measured value 58/56 (rejection value 38) There is a slight burn on the tube head ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none