This complete high quality, low noise stereo audio power amplifier is based around the Hybrid Integrated Circuit STK4432 manufactured by Sanyo. The circuit incorporates volume and balance controls and has a maximum music output power of 55 W per channel (35 W per channel RMS). The circuit incorporates an on board power supply; therefore, only an appropriate transformer is required to power the circuit.
Specifications:
- Supply voltage: 30 to 36 V AC transformer / 2 to 3A or 30 to 36 V DC at 3 Amps
- Input sensitivity: 300 mV
- Output power using 36 V AC:
- Music power – 2 x 55 W / 4 Oh
- RMS power – 2 x 35 W / 4 Ohm
- Includes volume and balance controls
- Maximum distortion: < 0.2%
- Frequency response: 30 Hz to 30 KHz
- PC board dimensions: 4-3/4"L x 2-1/8"W x 2-3/4"H
You can buy this electronic kit at Carl' Electronics. Assembled and tested kit here.