Pair tube double triode tube American short base measurement value 108/104 (rejected value 50) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, beam tube, smoke, made in America, measured value 44/44 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box