Meyer Sound DS-4P Self-Powered Mid-Bass Reinforcement Loudspeaker 2x12" - USED

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Description

The self-powered DS-4P is an arrayable mid-bass loudspeaker system that provides high power sound reinforcement with extremely low distortion. It was developed to supplement the 70-200Hz band in full-range systems, affording additional mid-bass headroom. The DS-4P is most effective when used in multiples within an array, and easily can be incorporated into conventionally powered or self-powered systems. The DS-4P uses two 12-inch cone drivers in a true horn enclosure. The horn’s flare provides maximum energy transfer in the mid-bands with minimum frequency response ripple.

Like all Meyer self-powered loudspeaker systems, the DS-4P exhibits superior performance across virtually all parameters. Because the amplifier and control electronics are optimized for the drivers, the system is able to produce more power with a flatter response and lower distortion. The selfpowered concept simplifies installation, and eliminates amplifier racks and external drive processing. The DS-4P incorporates a two-channel Class AB/H power amplifier, Meyer Sound’s proprietary phase-corrected active processing circuits, and driver protection voltage limiters to ensure exceptional performance and reliability.

A laser-trimmed differential input stage affords superior common-mode rejection to allow signal runs through a simple twisted pair cable. Rear panel LEDs indicate AC power and driver protection limiting. The DS-4P’s integral power supply suppresses high voltage transients and incorporates the Intelligent ACTM system. This automates voltage selection, allowing worldwide operation, and additionally provides EMI filtering, soft current turn-on, and surge suppression. Installation of this unit is as simple as providing power and an audio signal source. Servicing in the field is facilitated by the modular design; the entire power amplifier module can be accessed and replaced, if necessary.

The rugged cabinet is coated with a textured black finish (carpet covering is an option) for durability and ease of handling. The DS-4P comes standard with six aircraft pan fittings (ring and stud), three on the top and three on the bottom of the enclosure. L-Track rigging can be fitted as an option. Also available is a variety of hanging and arraying hardware to create a complete system. The DS-4P easily integrates with the Remote Monitoring SystemTM (RMS) network and software application. Windows-based RMS displays signal and power levels, driver and cooling fan status, limiter activity, and amplifier temperature for all networked loudspeakers.

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
(-6 dB points) 120°H; 120°V
Low Frequency (2) MS-12 12-inch cone drivers
Type 10kΩ impedance, electronically balanced
Connector XLR (A-3) male and female
Nominal Input Level +4 dBu
Type Complementary power MOSFET output stages (audio class AB/H)
Burst Capability 1240 watts (620 watts/channel)3
THD, IM, TIM <.02 %
Connector 250V NEMA L6-20P (twistlock) inlet or IEC 309 male inlet
Automatic Voltage Selection 95-125 VAC and 208-235 VAC; 50/60 Hz4
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
Dimensions Height: 36"; Width: 21.25"; Depth: 30"
Weight 163 lbs (74 kg); shipping: 187 lbs (85 kg)
Enclosure Multi-ply hardwood
Finish Black textured
Protective Grill Perforated steel 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.

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