At the heart of Meyer Sound’s cinema line of loudspeakers is the high-performance Acheron screen channel loudspeaker. Optimized for installation behind perforated screens, the two-way loudspeaker combines the advantages of self-powered technology and innovative horn design to deliver precise coverage for cinema screen sound channels. Acheron 80 and 100 are identical except for horizontal coverage.
Features & Benefits
Cinema Screen Channel Loudspeaker: Acheron
The loudspeaker shall be a self-powered, full-range system; the transducers shall consist of a 15-inch diameter cone driver and 4-inch diaphragm compression driver. Two horn options shall be available: 80-degree horizontal by 50-degree vertical, and 100-degree horizontal by 50-degree vertical. The loudspeaker system shall incorporate internal processing electronics and a two-channel amplifier, one channel for each driver. Processing functions shall include frequency and phase correction, signal division, and protection for the low- and high-frequency sections. The crossover point shall be 580 Hz.
Each amplifier channel shall be class AB/H with complementary MOSFET output stages. Burst capability for the low-frequency channel shall be 1125 watts total with a nominal 4-ohm resistive load and 560 watts for the high-frequency channel with a nominal 8-ohm resistive load. Total burst power shall be 1685 watts (3370 watts peak). Distortion (THD, IM, TIM) shall
not exceed 0.02%. Performance specifications for a typical production unit shall be as follows, measured at 1/3-octave resolution: operating frequency range shall be 37 Hz to 18 kHz; phase response shall be ±30° from 700 Hz to 17 kHz; maximum peak SPL shall be 139 dB at 1 meter, free field.
The audio input shall be electronically balanced with a 10 kOhm impedance and accept a nominal 10 dBV (3.2 V rms, 4.5 V peak) signal. Connectors shall be XLR (A-3) type male and female. RF filtering shall be provided, and CMRR shall be greater than 50 dB from 50 Hz to 500 Hz. The internal power supply shall perform automatic voltage selection, EMI filtering, soft current turn-on, and surge suppression. Power requirements shall be nominal 100 V, 110 V,
or 230 V AC line at 50 or 60 Hz. UL and CE operating voltage ranges shall be 100 to 240 V AC. Maximum peak current draw during burst shall be 6.4 A at 115 V AC, 3.2 A at 230 V AC, and
7.2 A at 100 V AC. Current inrush during soft turn-on shall not exceed 7 A at 115 V AC, 7 A at 230 V AC, and 10 A at 100 V AC. AC power connectors shall be locking NEMA L6-20 male inlet or IEC 309 male inlet.
The loudspeaker system shall include support for the optional RMS remote monitoring system module.
All loudspeaker components shall be mounted in an acoustically vented enclosure constructed of premium birch plywood with a black textured finish. Dimensions shall be 31.00" wide x 35.00" high x 20.50" deep (787 mm x 889 mm x 521 mm). Weight shall be 173 lbs (78.47 kg). Optional bracket adapters shall allow the Acheron to be fixed to floors, as well as on top of the Acheron LF, with uptilt or downtilt
The loudspeaker shall be the Meyer Sound Acheron.
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