
Do you have a question about the Onkyo A-7090 and is the answer not in the manual?
Details on power output, distortion, frequency response, and impedance.
Input sensitivity, distortion, frequency response, and signal-to-noise ratios for audio inputs.
Explanation of the servo operational amplifier circuit and its feedback loop.
Procedure for adjusting the idling current using a voltmeter and resistor.
Steps for adjusting the servo operational amplifier circuit's voltage.