SK2-1000BQ

Maximum Recommended Amplifier Power 300 Watts (RMS)
Impedance 8 Ohms
Sensitivity (2.83V @ 1m) 93dB
Frequency Response (–6dB) 55Hz – 50kHz (Anechoic)
Crossover Frequencies 800Hz, 10kHz
Ultrahigh-Frequency Driver 1-inch 045Be Pure-beryllium compression driver with 0.35"-throat Bi-Radial® horn
High-Frequency Transducer 3-inch 435Be Pure-beryllium compression driver with 1.5"-throat Bi-Radial® horn
Low-Frequency Transducer Dual 10-inch 2251J-2 AquaPlas™-coated, pul-cone woofers with 4" edge-wound voice coils and EPDM rubber surrounds, and utilizing Alnico magnets
Dimensions
(H x W x D) 22" x 25" x 9-1/2" (11" with horn)
559mm x 635mm x 241mm (279mm with horn)
Weight 77 lb (35kg) per speaker