Introduction The MJE340 is a high-voltage NPN power transistor designed for use in switching power supplies, amplifiers, and high-voltage driver applications. Packaged in a TO-225 case, it offers excellent thermal dissipation and mechanical strength for medium-power electronic circuits. Because of its high collector-emitter voltage rating and stable gain, the MJE340 is commonly used in audio […]
The 500W amplifier circuit diagram presented here is a powerful audio amplifier design capable of delivering high-quality sound output. This circuit utilizes five pairs of 2SD1047 and 2SB817 transistors in the output stage, along with one pair of 2SD718 and 2SB688 transistors in the driver stage. Additionally, the pre-amplifier stage features the widely-used 4558 IC.
The 450W Power Amplifier Circuit Diagram using 2SC2922 and 2SA1216 transistors is a high-performance audio amplifier that is capable of delivering exceptional sound quality and power output. This circuit design utilizes the renowned Sanken transistors, namely the 2SC2922 and 2SA1216, which are known for their reliability, efficiency, and remarkable audio performance.
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