Simple 2A3 (2A3SE-4W) single-ended power amplifier circuit
This is the most popular and simplest 2A3 single-ended line, with a voltage amplification tube 5842 IWE417A) by pushing the bull push 2 3, 2. Ik load, output power 4w. This route is quite straightforward, with a special focus on exporting cattle and promoting the quality of cattle. 2A3SE is the most suitable for promoting high-efficiency antique speakers with a sensitivity of more than 1OOdB. Based on this feature, the author selected the Xidian single branch, Moro electrolytic capacitor, AB carbon resistor and other antique accessories.
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