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 55W per channel (35W 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 36V AC transformer / 2 to 3A
or 30 to 36 VDC at 3 Amps
* Input sensitivity: 300mV
* Output power using 36V AC:
* Music power – 2 x 55W / 4 Ohm
* RMS power – 2 x 35W / 4 Ohm
* Includes volume and balance controls
* Maximum distortion: < 0.2%
* Frequency response: 30Hz to 30KHz
* PC board dimensions: 4-3/4"L x 2-1/8"W x 2-3/4"H

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