Tube WE2A3 1:1 copy WE 2A3 upgrade 2A3C 2A3B HIFI audio tube amplifier DIY matching four tubes(4pcs Matched)
Product details
| Management number | 208636417 | Release Date | 2026/03/22 | List Price | $36.00 | Model Number | 208636417 | ||
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PreampsWE2A3 direct-heated cathode medium-power triode is used for A1 Ab1 amplification.Filament HeatingUf----------------2.5VMedium frequency-------------2.5AStatic parametersVoltage----300V-ug--45VCurrent value---- -----60 mAGm----------5.25 mA/VLi---0.8kUh----------4.2Output-------------3.5WExtreme RatingAnode voltage --- 300VAnode dissipation power: 15WGrid resistanceSelf-bias period ------ 0.5mFixed bias voltage --- 0.05mInterelectrode capacitanceInput capacitance: -7.5PFOutput capacitor --- 16.5PFInter-circuit capacitance --- 5.5PFRecommended working status (reference value)Single tube class A1 amplifier (fixed bias)Voltage------------------250V-Voltage-------------45VRemaining--------------2.5kCurrent----------------60 mAGm--------------5.25Ma/Vri-----------------0.8ku-----------------4.2Output--------------3.5WTotal---------------5%
- Preamps
| Size | 4pcs Matched |
|---|---|
| Color Name | One Color |
| Item Weight | 1.76 ounces |
| Item model number | ADPVRLUQ |
| Package Dimensions | 1.18 x 0.79 x 0.39 inches |
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