2A3C 2A3 Vacuum Tube Replaces 2A3B E-2A3 2A3-T 2A3-TII WE2A3 HiFi Audio Tube Amplifier kit DIY(4pcs Matched Quad)
-
Detail
Preamps
.
2A3C direct-heated cathode medium-power triode for A1Ab1 amplification
Filament Heating
Uf----------------2.5V
Intermediate frequency: 2.5A
Static parameters
Voltage source --------------- 300V
-Voltage-------------45V
Source ----------------60 mA
Gm---------------5.25Ma/v
ri-----------------0.8k
----------------4.2
Pout-------------3.5w
Extreme Rating
Anode voltage: 300V
Anode dissipation power: 15W
Grid resistance
Self-bias: 0.5m
Fixed bias voltage: 0.05m
Interelectrode capacitance
Input capacitance----7.5PF
Output capacitance: 16.5PF
Cross-circuit capacitance: 5.5PF
Recommended working status (reference value)
Single tube class A1 amplifier (fixed bias)
Voltage----------------250V
-ug--------------45V
Remaining--------------2.5k
Pull-------------60 mA
Price--------------5.25
ri-----------------0.8k
Uh----------4.2
Output--------------3.5W
Total---------------5% -
Customer ReviewsNo comments