الاجهزه الالكترونيات الامريكية قد تحتاج الى محمول فولت من ١١٠ الى ٢٢٠.قد تحتاج إلى محول كهرباء
مميزات خاصة
Amplifiers
وصف
Amplifiers
1pair 300B/N 300B Vacuum Tube Valve Power Lamp Vintage Audio Amplifier
Item No.: 300B/n
The price is for 1 Matched pair (2pcs,
Mesh plateceramic basegold plated brass pins
Nominal operating conditions and parameters
Filament voltage* 2.5V
Nominal filament current 1.5A
Plate voltage 250V
Grid voltage** -50V
Plate current 34mA
Amplification factor 3.5
Load resistance 3900 ohms
Grid Current 0.05 A
Limiting Operation Conditions for Safe Nor simultaneous ratings
Maximum plate voltage 275 volts
Maximum plate current 10 watts
High-concerned chemical : None
Maximum Power Per Channel : NO POWER