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MEYER SOUND UPQ-D1 wide coverage loudspeaker

Meyer Sound’s UPQ‑D1 loudspeaker evolves from the UPQ‑1P and UPQ‑2P product line, now optimized using the advanced amplifier and processing technology that made the LEO® family an award-winning product line. UPQ‑D1 features:

  • Constant‑Q horn with ‑6 dB points at 80° horizontal x 50° vertical (‑10 dB points at 100° horizontal x 60° vertical)
  • An innovative, newly designed, highly efficient Class D amplifier with reduced current draw that reproduces any sound with linearity over a wide dynamic range
  • Optimized frequency and phase response characteristics
  • Lightened cabinet weight
  • Redesigned cabinet that retains the original size, grille frame, and rigging options of previous UPQ products

The UPQ‑D1 offers an extremely consistent polar response and a gentle coverage rolloff that extends uniformly out to its ‑10 dB points of 100° by 60°. The horn’s smooth and consistent performance is the result of meticulous research in Meyer Sound’s anechoic chamber, and it exhibits a remarkably consistent beamwidth in both the horizontal and vertical planes. The UPQ‑D1 horn also delivers uniform attenuation for all frequencies outside the specified beamwidth.

In addition to the Constant‑Q horn, the loudspeaker features a low frequency 15‑inch neodymium magnet cone driver and 4‑inch diaphragm compression driver, both designed and manufactured at Meyer Sound’s Berkeley, California headquarters. The UPQ‑D1 is suitable for a range of sound reinforcement applications including as a front‑of‑house main loudspeaker in small‑ to mid‑sized venues, or as a fill loudspeaker in larger systems.

The proprietary two‑channel, class D power amplifier yields a total power output of 2250 W. Audio input routes through electronic crossover and correction filters, as well as through driver‑protection circuitry. Phase‑corrected processing ensures a flat acoustical amplitude and phase response, resulting in an exceptional impulse response and precise imaging.

Each amplifier channel has sophisticated limiters that are easily monitored with the limit LEDs on the unit’s rear panel. The UPQ‑D1’s modular amplifier and processing electronics incorporate Meyer Sound’s Intelligent AC™ power supply, which adapts to any power voltage worldwide and provides soft‑turn on and transient protection. The UPQ‑D1 uses a XLR 3‑pin female input with male loop output connector.

Features and Benefits
  • Wide horizontal pattern covers broad listening areas and focused vertical pattern allows precise coverage
  • Highly energy efficient amplifier with sophisticated digital signal processing that provides extraordinarily flat amplitude and phase response for tonal accuracy and precise imaging
  • Integral stand mount and QuickFly mounting options facilitate rigging
  • Constant‑Q horn affords uniform response throughout coverage area
  • Exceptional size to power ratio provides application flexibility
  • Consistent and predictable performance ensures accurate system design
Applications
  • Theatrical sound reinforcement
  • Houses of worship
  • Portable and installed audio‑visual systems
  • Centerfill and sidefill
  • Nightclubs
分類: ,

Specifications

ACOUSTICAL1
Operating Frequency Range2 55 Hz – 18 kHz
Frequency Response3 58 Hz – 18 kHz ±4 dB
Phase Response 80 Hz – 18 kHz ±45°
Linear Peak SPL4 135.5 dB with crest factor >17 dB (M-noise), 132 dB (Pink noise), 135 dB (B‑noise)
COVERAGE
Horizontal / Vertical (-6 dB) 80° horizontal x 50° vertical
Horizontal / Vertical (-10 dB) 100° horizontal x 60° vertical
TRANSDUCERS
Low Frequency One high‑power 15‑inch cone driver with neodymium magnet; 2 Ω nominal impedance
High Frequency One 4‑inch diaphragm compression driver; 8 Ω nominal impedance
AUDIO INPUT
Type Differential, electronically balanced
Maximum Common Mode Range ±15 V DC, clamped to earth for voltage transient protection
Connectors XLR 3‑pin female input with male loop output; optional 5‑pin connectors to accommodate both balanced audio and RMS signals
Input Impedance 10 kΩ differential between pins 2 and 3
Wiring Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 2: Signal + Pin 3: Signal ‑
Case: Earth ground and chassis
Nominal Input Sensitivity 0 dBV (1.0 V rms) continuous is typically the onset of limiting for noise and music
Input Level Audio source must be capable of producing of +20 dBV (10 V rms) into 600 Ω to produce the maximum peak SPL over the operating bandwidth of the loudspeaker.
AMPLIFIER
Type Two‑channel, Class‑D
Total Output Power5 2250 W peak
THD, IM, TIM < 0.02%
Cooling Convection
AC POWER
Connector PowerCON 20 input with loop output
Automatic Voltage Selection 90–265 V AC, 50–60 Hz
Safety Agency Rated Voltage Range 100–240 V AC, 50–60 Hz
Turn‑on and Turn‑off Points 90 V AC turn‑on; no turn‑off; internal fuse‑protection above 265 V AC
CURRENT DRAW
Idle Current 0.27 A rms (115 V AC); 0.25 A rms (230 V AC); 0.29 A rms (100 V AC)
Maximum Long‑Term Continuous Current (>10 sec) 2.0 A rms (115 V AC); 1.0 A rms (230 V AC); 2.3 A rms (100 V AC)
Burst Current (<1 sec)6 3.7 A rms (115 V AC); 1.9 A rms (230 V AC); 4.3 A rms (100 V AC)
Maximum Instantaneous Peak Current 8.2 A pk (115 V AC); 4.2 A pk (230 V AC); 9.3 A pk (100 V AC)
Inrush Current < 20 A peak
RMS NETWORK (OPTIONAL)
Equipped with two‑conductor twisted‑pair network, reporting all operating parameters of amplifiers to system operator’s host computer.
PHYSICAL
Dimensions W: 19.00 in (483 mm) x H: 28.15 in (715 mm) x D: 18.18 in (462 mm)
Weight 95 lb (43 kg)
Enclosure Premium multi‑ply birch with slightly textured black finish
Protective Grille Powder-coated, hex-stamped steel with black mesh
Rigging Aluminum end plates on top and bottom with metric M10 threaded points; integral 1.5‑inch (38 mm) pole mount receptacle on bottom
Notes —

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