With two op amps. One handles the DC offset, the other the AC gain and distortion. Some of the specs are:
- Class Of Operation - Changeable. Currently it's in class A
- Input Sensitivity - 2V
- Output Power - 45W
- Drawn Power - 140.4W
- Efficiency - 32%
- THD+N - Immeasurable. Well below the margin of error you can get here in EC with a simple notch filter.
- Bandwidth - 1Hz - 70KHz at -3dB
- Protection - transistor overcurrent protection
