What size subwoofer to get?


This question is for 2 channel stereo use 50/50 rock/classical music. I have floor standing speakers rated down to 35hz on axis and instead of getting expensive larger speaker want to look at adding "powered" subwoofer to slightly extend bass. Three models are available:
10" woofer 30hz
12" woofer 25hz
15" woofer 22hz
All these models have adjustable crossover frequency cut-off
50-150 as well as adjustable volume. What size is best to get, my concern is getting too much bass that is hard to dail back and becomes overwhelming. Or is it better to get largest subwoofer and not worry, volume control will be able to effectively tailor sound and control bass?

This is my first subwoofer so need some general advice from members who use them, thanks.
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Showing 3 responses by phasecorrect

Also...listen to Danner...this is exactly what RIchard Vandersteen has been saying for years...and why Vandy only makes full range speakers...the crossover for sub/sats is just way too high...good advice...
Remember...when buying a sub...you are also buying an amp...the size of the driver is really irrelevant...although some purist find them too "thumpy"...I do think Sunfire subs for 2 channel sound are amazing(Bob Carver claim to fame have always been his amps...and we all know what happened after he left Carver)...a friend has them with Maggie 1.6s...which are notorious for sub mating issues..and they are tight,fast,and very musical...a more laid back type of musical sub can be found by REL...and to echo Sean's comments...a garbage sub will only call attention to itself in a 2 channel set up...and surprisingly...since I am not a huge fan of their speakers...B&W makes some pretty darn good subs too...
No discredit to your PSB speakers...but i would pass on a PSB sub...a sub is kind of "icing on the cake" for a system...you want it to be just right....