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Rythmik L12 or F12

Experience or knowledge of these compact, sealed subs...? Looking to buy a pair. Is there a significant difference between the two? About a $700 up charge for the F12s. To be paired with Salk Silk monitors...
larseand

Showing 2 responses by bdp24

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bdp24
9,411 posts
 
Rythmiks are gaining a reputation amongst planar speaker owners, particularly Maggies. Most subs are designed for home theater, but Rythmik owner/designer Brian Ding is concerned first with music reproduction. The co-designer of the paper-coned woofer in the F12G, Danny Richie of GR Research, is a hard-core audiophile---OB woofers and speakers, tube amps, perfectionist sensibilities, worked closely with tube amp maker Gary Dodd (R.I.P.). Danny & Brians OB/Dipole Subwoofer is, as preciously stated, State-Of-The-Art. But it is available as a DIY kit only, the user needing to build or have built the OB/Dipole H-frame into which the dual 12" woofers (the free-air version of the woofer in the Rythmik F12G) are installed.
bdp24's avatar
bdp24
9,411 posts
 

The Rythmik L12 and F12 have these things in common: They were both designed by Brian Ding, owner of Rythmik, a very knowledgeable and talented designer. They both have 12" drivers. And they both have the Rythmik Direct Servo-Feedback circuit built into their plate amps. But the amp itself is different in the two, as are the drivers, whether aluminum or paper coned (aluminum in the Rythmik F12, paper in the F12G, the G designating GR Research, whose Danny Richie worked on the development of the driver with Mr. Ding, as well as on the State-Of-The-Art GR Research/Rythmik Open Baffle/Dipole Direct Servo-Feedback Subwoofer, the only sub of it’s type in the world, and the best. Except for the Eminent Technology Rotary Subwoofer, of course!). And the enclosures are different. They both share the Rythmik "house sound"---stopping on a dime, as they say. No bloat and boom, lean and clean. The controls (PEQ, x/o, phase, damping) on the F12 are more extensive as well.

The choice is, as always, a matter of how much you have and are willing to spend. Jim Salk installs the F series Rythmik subs in his bigger speakers, and builds custom enclosures for both the F12 and F15.

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