SL37 audio power amplifier circuit is a typical OTL circuit, its internal structure is the same as 5G37, but the performance is better than the former, it is under 4 ohm load, the distortion power is >3.5W (VCC=15V). When RL=8 ohms and the power supply voltage VCC=15V, the parameters are as follows: open loop gain >65DB, undistorted power >2W, distortion 1.5%.
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