Description: As reviewed, three-piece, three-way, modular, floorstanding loudspeaker with powered subwoofer. Drive-units: 1" silk-dome tweeter, two 6" paper-cone midrange units, 10" carbon/paper-cone passive subwoofer, 10" carbon/paper-cone powered subwoofer. Crossover Frequency (Main Module): 1.75kHz. Frequency range: <20Hz–>40kHz. Frequency response: 20Hz–20kHz, –0.7dB. Channel matching: within ±0.2dB. Impedance: 4 ohms nominal, 2.7 ohms minimum. Sensitivity: 92dB/2.83V/m. Subwoofer amplifier: 800Wpc, class-A/B.
Dimensions: Main Module: 20" (500mm) H by 8" (190mm) W by 20" (500mm) D. Studio Module: 48" (1210mm) H by 13" (330mm) W by 24" (600mm) D. Professional (Studio Module on top of powered subwoofer module): 69" (1740mm) H by 17" (430mm) W by 26" (660mm) D. Overall height (Main Module on top of Studio and Professional Modules): 69". Weights: Main Module: 108 lbs (49kg). Studio Sub: 160 lbs (73kg). Professional Sub: 172 lbs (78kg).
Finish: Aircraft-grade aluminum in either natural or black-anodized finishes.
Serial Numbers Of Units Reviewed: Main: 222. Studio (passive subwoofer module): 219. Professional (active subwoofer module): not noted.
Price: $107,000/pair, as reviewed (Reference II Professional). Approximate number of dealers: 11.
Manufacturer: YG Acoustics Computerized Loudspeaker Labs LLC, 4941 Allison St., Unit 10, Arvada, CO 80002. Tel: (720) 840-6441. Fax: (303) 420-0156. Web: www.ygacoustics.com.

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Company Info YG Acoustics Computerized Loudspeaker Labs LLC 4941 Allison St., Unit 10 Arvada, CO 80002 (720) 840-6441 www.ygacoustics.com		Article Contents Page 1 Page 2 Specifications Associated Equipment Measurements