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Meyer Sound Documentation

Specifications
In this section:
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ACOUSTICAL1

Operating Frequency Range2

42 Hz – 22 kHz

Frequency Response

45 Hz – 20 kHz ± 4 dB

Phase Response

190 Hz – 20 kHz ±45°

Linear Peak SPL3

120.5 dB with 18.5 dB crest factor (M-noise), 117.5 dB (Pink noise), 120 dB (B‑noise)

COVERAGE

Horizontal Coverage

80°

Vertical Coverage

50°

TRANSDUCERS

Low Frequency

One 6.5‑inch long‑excursion cone driver; 4 Ω nominal impedance

High Frequency

One 1‑inch dome tweeter on a constant‑directivity waveguide; 4 Ω nominal impedance

AUDIO INPUT

Type

Differential, electronically balanced

Maximum Common Mode Range

±15 V DC

Connectors

XLR 3‑pin female input with male loop output.

Input Impedance

10 kΩ differential between pins 2 and 3

Wiring

Pin 1: Chassis/earth through 1 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

6 dBV (2.0 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 Power4

900 W peak

THD, IM, TIM

< 0.02%

Cooling

Convection

AC POWER

Connector

powerCON 20 input with loop output (up to 7 Amie loudspeakers may be safely looped)

Automatic Voltage Selection

90–265 V AC

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

0.160 A rms (115 V AC); 0.144 A rms (230 V AC); 0.183 A rms (100 V AC)

Maximum Long‑Term Continuous Current (>10 sec)

0.68 A rms (115 V AC); 0.36 A rms (230 V AC); 0.79 A rms (100 V AC)

Burst Current (<1 sec)5

1.02 A rms (115 V AC), 0.51 A rms (230 V AC), 1.2 A rms (100 V AC)

Maximum Instantaneous Peak Current

2.7 A peak (115 V AC), 1.4 A peak (230 V AC), 3.1 A peak (100 V AC)

Inrush Current

<20.0 A peak

PHYSICAL

Dimensions

W: 9.00 in (229 mm) x H: 15.30 in (389 mm) x D: 13.24 in (336 mm)

Weight

25 lb (11.3 kg)

Enclosure

Premium multi‑ply birch, low‑gloss slightly textured black finish

Rigging

3/8‑inch ‑ 16 threaded side attachment points for optional mounting accessories

Notes
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  1. Loudspeaker system predictions for coverage and SPL are available in Meyer Sound’s MAPP System Design Tool.

  2. Recommended maximum operating frequency range. Response depends on loading conditions and room acoustics.

  3. 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 °C ambient temperature is <2 dB.

    M-noise is a full bandwidth, (10Hz–22.5kHz) 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.

  4. Peak power based on the maximum unclipped peak voltage the amplifier will produce into the nominal load impedance.

  5. 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.