Meyer Sound ULTRA-X42

ACOUSTICAL
ULTRA-X40 ULTRA-X42
Operating Frequency
Range
55 Hz – 19.5 kHz 55 Hz – 19.5 kHz
Note: Recommended maximum operating frequency range. Response depends on loading conditions and room
acoustics.
Frequency Response 56 Hz – 19 kHz ±4 dB
Note: Measured free field with 1/3 octave frequency
resolution at 4 meters.
58 Hz – 18 kHz ±4 dB
Note: Measured free field with 1/3 octave frequency resolution at 4 meters.
Phase Response 90 Hz to 19.5 kHz ±45° 90 Hz to 19.5 kHz ±45°
Linear Peak SPL 132.5 dB with 18 dB crest factor (M-noise),
130 dB (Pink Noise), 131 dB (B-noise)
134 dB with 18.5 dB crest factor (M-noise),
132 dB (Pink Noise), 134 dB (B-noise)
Note: Linear Peak SPL is measured in free-field at 4 m referred to 1 m. Loudspeaker SPL compression measured
with M-noise at the onset of limiting, 2-hour duration, and 50-degree C ambient temperature is < 2 dB.
M-noise is a full bandwidth (10 Hz–22.5 kHz) test signal developed by Meyer Sound to better measure the loudspeaker’s music performance. It has a constant instantaneous peak level in octave bands, a crest factor that
increases with frequency, and a full bandwidth Peak to RMS ratio of 18 dB.
Pink noise is a full bandwidth test signal with Peak to RMS ratio of 12.5 dB.
B-noise is a Meyer Sound test signal used to ensure measurements reflect system behavior when reproducing the
most common input spectrum, and to verify there is still headroom over pink noise.
Coverage Rotatable horn: 110° x 50° (at –6 dB) Rotatable horn: 70° x 50° (at –6 dB)
TRANSDUCERS
Low Frequency Two 8-inch cone drivers; 4  nominal impedance
High Frequency One 3-inch diaphragm compression driver connected to a rotatable horn; 8  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 XLR 5-pin connector to accommodate both balanced audio
and RMS signals.
Input Impedance 10 k differential between pins 2 and 3
Wiring Pin 1: Chassis/earth through 1 k, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 2: Signal +
Pin 3: Signal – (optional polarity reversal switch)
Case: Earth ground and chassis
Note: Pins 4 and 5 (RMS) only included with XLR 5-pin connector that accommodates both balanced audio and RMS
signals.
Nominal Input Sensitivity 0 dBV (1 V rms) continuous average is typically the onset of limiting for noise and music
Input Level Audio source must be capable of producing +20 dBV (10 V rms) into 600  to produce maximum peak SPL over the
operating bandwidth of the loudspeaker

AMPLIFIER
Type Three-channel Class D
Total Output Power 1950 W peak
Note: Peak power based on the maximum unclipped peak voltage the amplifier will produce into the nominal load
impedance.
THD, IM TIM <.02%
Cooling Convection
AC POWER
Connectors powerCON 20 input with loop output
Automatic Voltage Selection
90–265 V AC, 50–60 Hz
Safety Agency Rated
Operating Voltage
100–240 V AC, 50–60 Hz
Turn On/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
1.9 A rms (115 V AC); 1.0 A rms (230 V AC); 2.2 A rms (100 V AC)
Burst Current 3.1 A rms (115 V AC); 1.5 A rms (230 V AC); 3.4 A rms (100 V AC)
Note: AC power cabling must be of sufficient gauge so that under burst current rms conditions, cable transmission
losses do not cause the loudspeaker’s voltage to drop below the specified operating range.
Maximum Instantaneous
Peak Current
6.9 A peak (115 V AC); 3.4 A peak (230 V AC); 7.9 A peak (100 V AC)
Inrush Current <20 A peak
RMS NETWORK (OPTIONAL)
Two-conductor twisted-pair network that reports all operating parameters of amplifiers to system operator’s host
computer.
PHYSICAL
Dimensions W: 12.51 in (318 mm) x H: 22.31 in (567 mm) x D: 14 in (356 mm); D with handles: 15.38 in (391 mm)
Weight 52 lb (23.6 kg)
Enclosure Premium multi-ply birch with slightly textured black finish
Protective Grille Powder-coated, round perforated steel
Rigging 11 integrated M8 threaded points; 35 mm Pole Mount with M20 thread; optional accessories for various rigging
options (see accessories section).
ENVIRONMENTAL
Operating Temperature 0 °C to +45 °C
Non Operating
Temperature
–40 °C to +75 °C
Humidity To 95% at 45 °C (non-condensing)
Operating Altitude To 5,000 m (16,404 ft)
Non Operating Altitude To 12,000 m (39,000 ft)
Shock 30 g 11 msec half-sine on each of 6 sides
Vibration 10 Hz – 55 Hz (0.010 m peak-to-peak excursion)