Meyer Sound DS-4P

Acoustical
Frequency Response: ±4 dB from 70 Hz to 200 Hz
Phase Response: ±70° from 70 Hz to 200 Hz
Maximum SPL: >142 dB SPL peak@1 meter
Dynamic Range: >120 dB

Coverage
(-6dB points): 120˚H; 120˚V

Transducers
Low Frequency: 2x 12" diameter MS-12 cone

Audio Input
Type: 10kΩ impedance, electronically balanced
Connector: XLR (A-3) male and female
Nominal Input Level: +4 dBu

Amplifiers
Type: Complementary power MOSFET output stages (audio class AB/H)
Burst capability: 1240 watts (620 watts/channel)
THD, IM, TIM: <.02 %

AC Power
Connector: 250V NEMA L6-20P (twistlock) inlet or IEC 309 male inlet
Automatic voltage selection: 95-125 VAC and 208-235 VAC; 50/60 Hz
Operational Voltage range: Turn on: 85 VAC; Turn off: 134 VAC; 50/60 Hz,
Turn on: 165 VAC; Turn off: 264 VAC; 50/60 Hz
Max Continuous RMS Current (>10 sec): @115V: 8A @230V: 4A @100V: 10A
Burst RMS Current (< 1 sec): @115V: 15A @230V: 8A @100V: 18A
Max Peak Current During Burst: @115V: 22Apk @230V: 11Apk @100V: 25Apk
Soft Current Turn-on; Inrush current <12A @ 115V

Physical
Dimensions: 914x540x762mm (WxHxD)
Weight: 74kg
Enclosure: Multi-ply hardwood
Finish: Black textured
Protective Grill: Perforated metal grill, charcoal-grey foam
Rigging: Six aircraft pan fittings (three on top and bottom). Working load for each fitting is 600 lbs (273 kg) based on a 5:1 safety factor with a straight tensile pull. Optional L-Track rigging system: Working load at vertical pull using any two points is 1500 lbs (682 kg) based on a 5:1 safety factor.