Quote:
Originally Posted by Rosco65
I have a couple pair of Omega speakers and have just added a pair of active subwoofers. I lucked into a pair of Rhythmik F8 low inertia subs that can be crossed over as high as 200hz. They are very heavy and high quality but must be connected at line level unless you use an adapter. They are famously fast server subs. Peter uses a similar arrangement for his midbass modules (his use a single driver per side while mine use two). Another option is the Rhythmik F12G 12" subwoofer that uses the lightweight GR Research driver. Either of these will run $900-1,000.
From what I can tell the Omega sub uses an OEM labeled version of the Dayton SPA250 amplifier. It is a respected amp, though it does have a history of failure from time to time. I own a couple of them that I was going to use for a project but never got around to it. Omega's cabinets are certainly prettier though. That can be addressed in the same manner Peter did: he bought the custom install version of the subs and had Louis make the cabinets for them.
If I were choosing a single subwoofer and my speakers had good mid to upper bass I would probably go with the Rhythmik F12G.
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Thanks for the mentions Rosco.
For anyone interested, I have a thread over here ==> audiocircle.com/index.php?topic=134489.0. Skip ahead in the thread as the first page plus is more in the planning stage. Actual details and photos of the results later on.
IMO, Rythmik is the best value in subs around. Their 8" midbass modules, that I have in Louis' matching cabinets, are outstanding for taking the low end duty off of the main amp and speakers. Their 12" and larger subs are incredibly musical and articulate with settings galour (I have a pair of F12's). Among other features, they have a three position damping control - high, mid, low. High produces incredibly tight bass, and down to 14Hz in the F12's. If you like a bit of bloom in the bass, you can switch to mid or low.
If you are running a tube preamp, take the signal to the subs from that. You would then get a bit of the tube flavor in the mix.
I wouldn't worry about the sub amp / main amp compatibility. At the low frequencies, it's a different animal. I have a quad-amped system blended incredibly well. The subs need the control of higher wattage SS amps to do what they do.