Soundtracs Topaz 12 4 Manual _top_ Link

: Essentially flat from 10Hz to 40kHz (±1dB). Crosstalk : Better than 85dB at 1kHz between channels. Dimensions : Approximately 405mm x 445mm x 85mm. Channel Strip & Routing

Fixed frequencies that provide a natural, musical response curve. Stereo Channels (5–12) Soundtracs Topaz 12 4 Manual