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Rythmik Audio F12-300 Subwoofer

  • Rythmik Audio F12-300, Sealed Subwoofer, Home Subwoofers

Rythmik Audio F12-300 Subwoofer


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12″ Sealed Audiophile Subwoofer

SKU: F12-300 Category: Tag:

Product Description

This model has the same footprint as regular F12, but with different driver that allows us to use 300WRMS amps. They are currently on sale. The amplifier is HX300 with one RCA input and one mini-XLR input (a 300WRMS Hypex-based servo amplifier with a quickguide). While this model does not have a dedicated LFE input, customers can set the xover freqeuncy to maximum and crossover slope to 12db/oct. We currently extend the multi-sub discount to even a single sub purchase.

The extension filter in F12-300 sealed subwoofer is simplied to 3 positions: Low-Music, Low-HT, and high with frequency and phase response shown below. Low-music has the lowest extension, -3 db @ 17 Hz. The response is flat and extended. For high SPL in movies, we recommend Low-HT mode with built-in rumble filter that preserves the FR to -3db@18hz while reducing potentially damaging subsonic energy.


Driver :12″ high excursion with custom sensing coil DS1204
Driver materials:Black only anodized aluminum with rubber surround  Cast aluminum basket aluminum flux de-modulation shorting rings
Amplifier :300W RMS class D Hypex module-based patented servo controlled
Input Impedance :33kohm for RCA inputs; 10kohm for mini-XLR inputs
Dimensions:15-3/4″(W) x 15-3/4″ (H )x 17″(D) – (18-1/2″ D with grille)
Frequency Response :14 – 100 Hz (-3 dB @ 17Hz) with XLR input, 14 – 100 Hz (-3 dB @ 17 Hz) with LINE IN
Crossover slope :Selectable 12 or 24 dB / octave
Crossover range (Low pass) :50 – 100 Hz (100hz to 200hz range is not usable for this sub)
Rumble Filter (High pass ) :17 Hz 18 dB / octave built-in for Low-HT mode
Phase response :90 degrees phase shift at 20 Hz
Phase adjustment :0 – 180 degrees continuously variable (6ms max delay adjustment)
Bass damping factor settings :Q=0.5 for Low-music mode

Additional Information

Weight34 kg



Frequency Response