RARE 1950's MOV PRODUCTION MATCHED PAIR UK EL84 POWER TUBES TESTED ON A MAXIMATCHER II DIGITAL ... 顯示更多內容
RARE 1950's MOV PRODUCTION MATCHED PAIR UK EL84 POWER TUBES TESTED ON A MAXIMATCHER II DIGITAL TESTER: 29.3 m/A and 30.7 m/A with 84% & 87% TRANSCONDUCTANCE ON A B&K 707 MUTUAL CONDUCTANCE TESTER.顯示較少內容