Pair tube 6CA7 compatible ball tea base made in Slovakia lot: 9825/9825 measured value 56/56 (rejected value 30) with white box*Pairs are judged based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 58/58 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box