The Concerta B12 subwoofer delivers accurate and authoritative deep bass from a surprisingly compact enclosure that features a die-cast frame high excursion 10-inch driver with a massive magnetic motor structure mated with a powerful 650 watt amplifier.

The B12’s woofer is equipped with Revel’s Symmetrical Field Gap technology that more precisely focuses the magnetic energy between the three-inch high current voice coil and the surrounding pole pieces, minimizing distortion, even at high output levels. The CAD-optimized butyl rubber surround, flat spider and aluminum cone can withstand even the most punishing high-level low frequency content.

Any subwoofer’s performance will be, to at least some degree, affected by the room acoustics that it is placed in, and where in the room it is sited. Certain low bass frequencies may be adversely affected by standing waves caused by room modes, where some frequencies are exaggerated (peaks), while others might be diminished (dips). To tame the subwoofer’s response in the listening room, the B12 features a parametric Room EQ function, with controls for frequency, level and bandwidth to tune out room-induced response anomalies.

In addition, the B12 also features variable crossover frequency and level controls (which can be bypassed), and a phase switch to ensure a seamless blend between the subwoofer and the main loudspeakers. Together, these controls ensure optimum performance in virtually any system configuration, whether a stereo music system or a multi-channel surround sound home theater system.

The B12’s cabinet is constructed of thick-walled MDF with internal bracing for rigidity, and is equipped with rubber feet for use on hardwood or tile floors, and comes with supplied spikes that can be installed for use on a carpeted floor. The B12 is available in your choice of cherry, maple or black cabinet finishes.