Definitive Technology’s monolithic bipolar towers —which launched the brand in 1990—have been around in one form or another almost as long as that thing in 2001: A Space Odyssey. With the fourth generation bowing recently, the Baltimore-area manufacturer set us up with a full suite: BP9080x fronts, CS9080 center, a pair of smallerbut-still-huge BP9060 towers for surrounds, and the A90 elevation speakers (Dolby Atmos-enabled and compatible with DTS:X) to go on top of those surrounds; the marquee BP9080x fronts have the same elevation componentry to bounce height-channel signals off the ceiling built right into their top 5 inches. All except the A90 are powered-woofer designs, with side-firing (up-firing in the case of the CS9080) woofer/passiveradiator arrangements driven by onboard amplifiers, and so they need to be connected to wall power as well as to speaker outputs for their passive mid- and high-frequency sections. (Full disclosure: Our BP9080x pair was marked “engineering sample.” We generally insist on production-run speakers, but such was not available in time for this issue. We were assured our towers were exemplars of initial production in every detail.)
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