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Bose Professional ShowMatch DeltaQ SM20 full-range array modules provide 20° nominal vertical coverage with included field-changeable waveguides offering choice of 70° or 100° horizontal coverage and optional accessory 120° waveguides. Replace single waveguide panel to form horizontal asymmetrical patterns. The 2-way module requires external power amplifiers (2-channels) and DSP to provide full-range response from 59 – 18,000 Hz with peak array output of up to 145 dB.
Technical Spesification :
Frequency Range (-10 dB)
59 Hz – 18,000 Hz
Coverage, Horizontal
100°
Calculated Maximum SPL @ 1 m
121 dB (low frequency), 125 dB (high frequency) continuous / 127 dB (low frequency), 131 dB (high frequency) peak
Nominal Impedance
8 Ω (low frequency) + 6 Ω (high frequency)
Power Handling, long-term continuous
450 W (low frequency), 100 W (high frequency)
Power Handling, Peak
1800 W (low frequency), 400 W (high frequency)
Sensitivity (SPL/1 W at 1 m)
94 dB (low frequency), 105 dB (high frequency)
Coverage, Vertical
20°
TRANSDUCERS
Crossover
750 Hz, acoustic, requires active 2-way crossover in DSP
High-Frequency
4 × Bose Professional EMB2S extended-high frequency neodymium compression driver, 2 in (51 mm) voice coil
Low-Frequency
2 × Bose Professional SM8 neodymium 8 in (203 mm) woofers, 3 in (76 mm) voice coil