KEF LS50 META SUBWOOFER CROSSOVER DRIVER
I suspect they've done an amazing job with getting subsonic extension (rated down to 11 cycles!) through combining extra long excursion voice coils with compensatory boosting of bass signals below the dual woofer resonance points to virtually eliminate the intrinsic driver rolloff. It contains the force-canceling woofer alignment first demonstrated in the proof-of-concept Reference 107s and then in the smaller KEF Reference 104.2s and now seen in the Blades (which we own and love). Has KEF hit another home run? I'd have to say unequivocally yes! This is an incredible subwoofer super compact yet with amazing extension, weight and power. Thank you KEF, you have made an old man very happy. It is indeed a pleasure to wake up to Deadmau5 & Kaskade "I Remember" and other cool tunes.
The R41PM recreates sound competently by itself, but adding the KC62 widens the soundstage to full double bass, synthesizer, kick drum and earthquake territory. The supporting shelf is reinforced with structural aluminum angle front and back to minimize sag. My bedroom shelf 2.1 system is a Klipsch R41PM flanking the KEF KC62. At high volume levels the lowest frequencies are rolled off to prevent drive motor clipping. Up to now, the term "small subwoofer" has been a contradiction in terms but KEF in developing the KC62 has come up with three patentable solutions to minimize resonance, vibration and distortion with full bandwidth at low to upper moderate listening levels.
I was convinced after reading the KEF whitepaper on the KC62 subwoofer that KEF engineers confronted the dragon and wisely made friends with him. "Amazing Small Subwoofer" I began my investigation of KEF's KC62.
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