In the software business one refers to a "Beta-version" as a program still in the development and test phase, however, from the "Betasub" series one can justifiably claim that it is not only mature, as shown by numerous comparative test victories, but also a near perfect Active Subwoofer. Each of the three models is equipped with a custom designed long throw bass driver (200, 250 or 300 mm) and a high performance amplifier. The screw mounted Airflex bass reflex ports allow for clean extended bass performance.
The output level and roll off frequency are adjustable. Each impressively elegant subwoofer is available in two finishes: black and silver will also be available as a fourth option, though silver is only for the Betasub 20A and 25A models.
The low frequency output descends to a magnificent 18 Hz at which point the RT limiter and LPC technology are utilized to linearise the response on all of the Betasubs. Rubber feet minimize annoying floor resonaces.
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