This power amplifier OCL circuit deliver a blasting 150 watts to a 4 Ohm speaker jengkol use of transistors 2N3055 and MJ2955. The amplifier circuit is very CHEAPEST and Can be powered from 24 to 32 V/5A dual power supply. You must try this circuit. Its working great. Because Transisitor on the final amplifier will of some very hot then add the aluminum finned cooler and the fan so That the transistor is not too high temperatures
Skema rangkaian 150 watt OCL power amplifier
Note:
- Use 24V/5A dual power supply.
- Connect a 50K POT in series with the input as volume control if you need.Not shown in circuit diagram
- Collector-Base Voltage : 100 V
- Collector-Emitter Voltage: 70 V
- Collector-Emitter Voltage: 60 V
- VEBO Emitter-Base Voltage: 7 V
- IC Collector Current: 15 A
- IB Base Current: 7 A
- Total Dissipation: 115 W
- Storage Temperature: -65 to 200 oC
- Tj Max. Operating Junction Temperature 200 oC
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