Hi Tony,
thanks for the quick feedback!
For testing purposes, I would do the following:
- Use a different Input on the Denon PMa255UK amp (Aux1, Aux2, CD, Tuner).
- Check the Denon with a different signal (e.g. CD-Player).
- This way, make sure that the Denon is working properly (both channels, including the speakers).
- Swap the two plugs on the Main Out sockets of the Genos. If nothing changes on the Denon then (the same speaker / channel is still playing) it means that both Main Out sockets of the Genos are working.
Hope this helps!
Chris