4pcs متطابقة رباعية
مقاس4pcs متطابقة رباعية
الاجهزه الالكترونيات الامريكية قد تحتاج الى محمول فولت من ١١٠ الى ٢٢٠.
قد تحتاج إلى محول كهرباء
وصف
Preamps
Door screen: 2.6 2.6
Input capacitance: 3.2 3.2 pF
Output capacitance: 0.5 0.4 pF
1-2 screens: 0.8 PF
Screen voltage: 300V
Screen power dissipation: 3.5W
Gate voltage: 0, -50V
Cathode current: 20mA
Voltage between hot wire and cathode: 200V
Model: 12BH7
Product Type: Vacuum tube, electron tube
Replacement: 12BH7A 6N6 7119
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