Receiver/Amp: Yamaha RX-V1065
Sub: MartinLogan Dynamo 700W
Sub replaced: Polk Audio DSW400
Connection from receiver to sub: LFE coaxial (preamp out)
Problem: no output on sub unless volume on receiver is elevated momentarily
So, here's what I think is happening. The sub is not sensing...
I'm planning to finish my basement with a dedicated home theater. I have had a part time HT before and I have the following pieces from before..
Denon AVR 3801 series receiver
Polk on the wall speakers 7.1 set up
Polk subwoofer 400 W never used
Velodyne 5000 series subwoofer...