Audiotron HF-300B
新品Ⅰ
新品Ⅱ
③
used
Eb235V Eg-50V
52.6ma 44.2ma
④
ゲッタ－が消滅してますが、特性は良好
50.8ma
Eb250V -50V -45V 57.8ma 89.1ma ⑤ used Eb250V -50V -45V 61.3ma 94.1ma ⑥ ⑦
-50V -45V
57.8ma 89.1ma
⑤
Eb250V -50V -45V 61.3ma 94.1ma ⑥ ⑦
61.3ma 94.1ma
⑥
⑦
