General Specifications
- Frequency Range (-10 dB)
- 45 Hz to 20 kHz
- Frequency Response (+/-3 dB)
- 62Hz – 16 kHz
- Power Rating
- 240 W Continuous Program (2 hrs) ; 120 W (480W peak), Continuous Pink Noise (2 hrs) ; 90 W (360W peak) Continuous Pink Noise (100 hrs)
- Maximum Input Voltage
- 27.5 V RMS (2 hrs), 55.0 V peak
- Maximum SPL
- 112 dB ave. Continuous Pink Noise (118 dB peak)
- Sensitivity
- 91 dB, 1W/1m (ave. 100 Hz – 10 kHz)
- Coverage Angle
- 100° x 100°
- Directivity Factor (Q)
- 7.3 (averaged 1kHz – 16kHz)
- Directivity Index (DI)
- 8.3dB (averaged 1kHz – 16kHz)
- Nominal Impedance
- 8 ohms (THRU setting)
- Crossover Type
- 2nd order low-pass, 1st order high-pass, plus conjugate shaping
- Transformer Taps
- 70V = 60W, 30W, 15W, 7.5W ; 100V = 60W, 30W, 15W ; Insertion Loss = <0.94 dB at any tap setting ; Thru Setting = 8Ω nominal
- Recommended Protective High-Pass
- 45 Hz high-pass (24 dB/oct) for 8Ω operation plus 15W and 7.5W taps; 55 Hz for 30W tap; 65 Hz for 60W tap.
- Low Frequency Transducer
- 200 mm (8 in), woven-fiberglass cone with pure butyl rubber surround with Weather-Edge frame protection, high-temp fiberglass voice coil former, high-temp voice coil wire, optimized cone geometry, linear suspension spider, and FEA optimized motor structure.
- High Frequency Transducer
- 25 mm (1 in) PEI diaphragm, low-viscosity ferro-magnetic fluid, and lightweight Kapton? voice coil former
- Included Accessories
- InvisiBall? wall-mounting system), 6 mm x 180 mm hex key
- Optional Accessories
- MTC-28UB-1 – Yolk-type U-bracket (&-WH) ; MTC-28WMG-1 – WeatherMax grille with backing (&-WH) ; MTC-28/25CM – Ceiling-Mount InvisiBall adapter (&-WH)
Dimensions
- Dimensions (H x W x D)
- 386 x 282 x 219 mm (15.2 x 11.1 x 8.6 in); 277 mm (10.9 in) deep total when mounted on InvisiBall wall-mount bracket.
- Net Weight
- 6.8 kg (15.0 lbs)
- Shipping Weight
- 15.4 kg (34 lbs) pair-packed (for 2 speakers)




