Is a Sub worth the bother?


I have a small, simple system that pretty much meets my listening needs. It's an NAD C715 (all-in-one deal) with a pair of Epos EL3 bookshelf speakers. I've been kicking around the idea of getting a cheap subwoofer with the idea that it would add a little oomph to things. This is strictly a music system, not home theater. I guess my questions are: 1) would a sub help that much or am I just limited because of the EL3s? 2) If a sub would help, would a cheap one be okay (I'm thinking along the lines of the Dayton sub 100, perhaps an Energy Take Classic 8--$100 at Costco these days). My room is roughly 12 x 20, but again, I'm not looking to bring down the house/neighborhood.

Thanks in advance for your thoughts.
comfortstarr
I would recommend a small sub. The rated lowest frequency for your speakers is stated to be 65 Hz, I assume at -3 dB. You are missing some of the music. I have Von Schweikert VR-1s, roughly the same frequency response. I added an REL Q108E and I only notice it when I turn it off, but then I realize how much information I am missing. It seems to make the midrange better. TUning it is a challenge. You don't want to "hear" it at all. I like the REL because it is closed, not ported, and it is small. My room is roughly 10' x 13' with a vaulted ceiling and one wide doorway. I tried it without the sub and keep going back to it. It makes music better.
I've owned the ELS3s and a sub is definitely worth the bother, but Tbromgard and Kr4 are correct that a cheap one won't do. In their range the ELS3s are terrific and you'd notice right away if the sub couldn't keep up.

Epos made an ELS Sub that's probably a perfect match and there's one on Audiogon right now, but it will cost you more than $100. I used a Tube Audio Design sub with mine and it worked well. I'm guessing one of the Hsu designs would be a good match too, although I've never heard them.

A good sub makes a big difference with monitor speakers; you'll be amazed.

David
Man, you guys found the one answer I didn't want (sub will help, but only pricey/good one!)...

I'll research the Hsu. I know av123.com used to have the xsub which was somewhat reasonable and well regarded, but it doesn't appear to be on their page anymore. The Epos sub is sadly tempting as I am very much in love with these little speakers, but it's quite a chunk of change.
Try a Dayton Titanic from Parts Express. Not to pricy, sealed box, quick and articulate for the $$$.
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