mono amp for sub

Crown K1. Easy to drive, gobs of power, can be found cheap used, no fans, awesome bass.

Ron-C

KGvet,

I was in a similar situation to yours a couple years ago when I decided to try a better amp on my NHT SW3P. The NHT SA-3 mono amp wasn't cutting it. I also considered the Bryston 7B, but opted for a 4B instead just in case I decided to do a dual sub DIY. I still haven't built it.

I'm still using the 4B, and just one channel is much better than the NHT amp. Maybe you could go with an older 7B or 7NRB which should save you some cash as opposed to getting a newer 7ST or 7SST.

Otherwise, the Crown amp idea is a good one.

Good luck.

Not sure why you would want to waste an amp like the Bryston in the first place, subs need no such amp.

I use an Onkyo M-504 to drive my Vmps subs...over-kill to say the least.

Dave

The Carver zr1600 pro has a mono switch and would work well for a sub. It has a good deal of lower end control in stereo mode, so ought to work well.
Rooze

Rooze...I use CarverPro zr1600 amps for my subwoofers, and they certainly do the job. One advantage, for a SW, of the zr1600, or any digital amp, is that their efficiency is very high. Much music has no signal content in the SW range, and where the music does have such LF content it is usually only for a small portion of the time. Digital amps draw almost no power when there is no signal.