100w Audio Power Amplifier Circuit Diagram. In the scheme the final transistor used tip142 tip147 for the transistor datasheet you can find at datasheet file base. To avoid the use of mechanical potentiometer is then used as an external resistor divider.

In the scheme the final transistor used tip142 tip147 for the transistor datasheet you can find at datasheet file base. The input circuit of the amplifier is a differential amplifier built around q4 and q5 that employ dc feedback thus preventing any dc voltage from appearing across the speaker with the usual destructive results. The speciality for 100w hifi power amplifier circuit with sanken 1.

The stk4221ii ic from is a dual high power amplifier chip preferably suited for compact high power audio applications for example in cars and luxury transport vehicle.

Stk4231 ii 100w 100w stereo audio amplifier circuit 2 χ 100 watt stereo audio amplifier using stk4231 ii if you want to make a hi fi 100w high power stereo audio amplifier then you can use this ic. Stk4231 ii 100w 100w stereo audio amplifier circuit 2 χ 100 watt stereo audio amplifier using stk4231 ii if you want to make a hi fi 100w high power stereo audio amplifier then you can use this ic. Stk4231 is a hybrid thick film ic manufactured by sanyo electric co. Bypass mechanic in potentiometer audio signal the use of potentiometer abal abal mostly brand alpha in the signal path volume control can cause loss of audio quality.