I think the "Thump" is on all of the Cinenova Grande amps except the very newest ones which include a circuit. I'm guessing the circuit is some type of relay which doesn't enable the outputs until the amp has fully powered up or something. I don't think any sequence of turning components on or...
Thanks for the information and the suggestions. I don't know whether I need the spikes or not. My previous sub had spikes, and it just seemed more stable (you couldn't push it around on the carpet). When I am playing it loud, you can feel it vibrate. My previous sub very well may have done the...
Does anyone know whether you can put spikes on a Velodyne HGS-15. My previous M&K subwoofer had threaded holes for spikes. I don't see any equivalent on the Velodyne. There are some feet which appear to have some type of plastic cap which I assume allows them to slide on wood or something. Maybe...