The Control 26-DT is a compact ceiling speaker assembly configured to install into standard ceiling backcans designed for 200 mm (8") drivers.Frequency Range : 70 Hz - 20 kHzTransformer Taps : 70 V: 60 W, 30 W, 15 W, & 7.5 W 100 V: 60 W, 30 W, & 15 WFrequency Response : 95 Hz – 18 kHz( ± 3 dB)Nominal Coverage Angle : 90°Crossover Frequency : 3.5 kHzDirectivity Index (DI) : 7.6 dBDirectivity Factor (Q) : 8.8 dBMinimum Impedance : 80 ohms @ 247 Hz (60 W tap), 159 ohms, (30 W tap), 318 ohms, (15 W tap), 635 ohms, (7.5 W tap)Rated Maximum SPL : 106 dB SPL @ 1m (3.3 ft)Low Frequency : 165 mm (6.5 in) polypropylene-coated, 1 in voice coil on aluminum former.Adapter flange to fit standard 6.5 in mounting.High Frequency : 19 mm (.75 in) titanium coated polyesterMounting Points : 4 screw holes at 194 mm (7.625 in) diameter on centerTerminations : Screw locking barrier stripSafety Agency Rating : In accordance with IEC60849 / EN60849.Dimensions (H x Dia.) : 120 mm x 200 mm (4.72 in x 7.87 in)Net Weight (ea) : 1.9 kg (4.2 lb)Shipping Weight (pair) : 4 kg (8.8 lb) Use instead of standard 8" driver. Fits standard backcans for 8" speakers. Comes complete with transducer, network and transformer Advanced crossover network provides natural sound and even coverage throughout listening area 60 W transformer for 70 V or 100 V distributed speaker lines Coaxial woofer with long-life butyl rubber surround and titanium coated tweeter