Meyer Sound UPM-1P Small Point-Source Loudspeaker with Looping/Polarity/Attenuating Audio Input Module and 3/8 Rigging Attachment

The UPM-1P is a remarkably compact, self-powered, professional sound reinforcement loudspeaker system. It is ideally suited to applications requiring a relatively small and inconspicuous loudspeaker that can also provide high sound pressure levels, extremely low distortion, and uniform directional control. The UPM-1P loudspeaker provides vocal-range reinforcement as a small PA system or as a fill or delay loudspeaker in larger indoor or outdoor systems. A full-range system can be created with the addition of an optional subwoofer.

Features:

• Exceptional fidelity and power capability delivered in an ultracompact package
• Wide, symmetrical pattern covers broad listening areas
• Unique crossover design eliminates combing for consistent midrange response
• Metal dome driver provides exceptionally smooth high-frequency characteristic

Specifications:

• Acoustical:
  • Operating Frequency Range: 75 Hz – 20 kHz
  • Frequency Response: 80 Hz – 16 kHz ±4 dB
  • Phase Response: 415 Hz – 16 kHz ±45°
  • Linear Peak SPL: 118.5 dB with crest factor >14 dB (M-noise), 113 dB (Pink noise), 115.5 (B-noise)
• Coverage:
  • Horizontal Coverage: 100°
  • Vertical Coverage: 100°
• Transducers:
  • Low Frequency: Two 5-inch cone drivers; 8 Ω nominal impedance
  • High Frequency: One 1-inch metal dome tweeter; 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 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: Complementary MOSFET output stages (class AB/bridged)
  • Total Output Power: 650 W peak
  • THD, IM, TIM: < 0.02%
  • Cooling: Convection
• AC Power:
  • Connectors: powerCON input with loop output
  • Automatic Voltage Selection: External 115/230 V AC switch (100 V AC version available)
  • Safety Rated Voltage Range:
    • Input rating: 115/230 V AC, 50–60 Hz, 3 A MAX;
    • Loop output rating: 115/230 V AC, 50–60 Hz, 12 A MAX
  • Turn-on and Turn-off Points: Fuse-protected above 135 V AC (115 V AC switch position) and 265 V AC (230 V AC switch position)
• Current Draw:
  • Idle Current: 0.13 A rms (115 V AC); 0.065 A rms (230 V AC); 0.15 A rms (100 V AC)
  • Maximum Long-Term Continuous Current (>10 sec): 1 A rms (115 V AC); 0.5 A rms (230 V AC); 1.2 A rms (100 V AC)
  • Burst Current (<1 sec): 1.3 A rms (115 V AC); 0.65 A rms (230 V AC); 1.5 A rms (100 V AC)
  • Maximum Instantaneous Peak Current: 2.9 A pk (115 V AC); 2 A pk (230 V AC); 3.3 A pk (100 V AC)
  • Inrush Current: 18 A pk (115 V AC); 12 A pk (230 V AC); 15 A pk (100 V AC)
• Physical:
  • Dimensions: W: 6.93 in (176 mm) x H: 18.00 in (457 mm) x D: 7.60 in (193 mm)
  • Weight: 22 lb (9.98 kg)
  • Enclosure: Premium multi-ply birch with slightly textured black finish
  • Protective Grille: Powder-coated, hex-stamped steel with black mesh
  • Rigging: Three 3/8-inch-16 nut plates

Looping, Polarity and Attenuating Audio Input Module

The looping, polarity and attenuating audio input module has a balanced, female XLR audio input connector, a male XLR loop connector, an input polarity switch, and a level attenuator. The input polarity switch offers a convenient method of reversing the polarity of the loudspeaker. The loop out remains unchanged.