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274B-TII Tube Replaces 274B Vacuum Tube for Precision Matching Amplifier(2 pcs)
274B-TII Tube Replaces 274B Vacuum Tube for Precision Matching Amplifier(2 pcs)
Preamps
Quantity
-
Detail
Preamps
Heater
Voltage
If 2.5A
Maximum Ratings
Anode reverse peak voltage 1550V
Anode peak current 750mA
Recommended working status
Anode power supply voltage 2×500V
Impedance per arm 75
Load impedance 2000
Filter capacitor 4F
Rectification current 220mA -
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