Carver service bulletin C1-2 provides a resistor chart for reducing the gain of the Main 1 output.
Would love to have a multi-position switch that would allow me to choose different gains. Mine is currently set for the 21dB reduction, but no longer need that much.
The normal output of Main 2 is too high for the small space I am in.
Secondly, how about leds that you could adjust the color from an external source? My son used to install car kits that allowed drivers to adjust headlight leds using a phone app.
Not sure if the technology is small enough to be used in audio applications. Just wondering?