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Meyer Sound Laboratories, Inc. - Acheron 80/100
Meyer Sound Laboratories, Inc. - Acheron 80/100 Meyer Sound Laboratories, Inc. - Acheron 80/100 Meyer Sound Laboratories, Inc. - Acheron 80/100 Meyer Sound Laboratories, Inc. - Acheron 80/100 Meyer Sound Laboratories, Inc. - Acheron 80/100
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Screen Channel Loudspeaker System

Series: EXP

Model: Acheron 80/100

  • Self-powered design provides ease of installation and reliability
  • Exceptional clarity and extended headroom
  • Constant-Q horn yields uniform response throughout the coverage area
  • Extraordinarily flat amplitude and phase response for tonal accuracy
  • Wider or narrower coverage versions accomodate different room shapes
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At the heart of Meyer Sound's EXP line of products is the Acheron high-performance 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 exceptional, precise coverage for the left, right, and center sound channels for cinema.

The Acheron loudspeaker is available in two full-range models: the Acheron 100, with a 100-degree horizontal by 50-degree vertical horn, which is ideal for wide theatres; and the Acheron 80, with an 80-degree horizontal by 50-degree vertical horn, which is suitable for more narrow theatres and dub stages.

The Acheron horn (patent pending) was specifically designed for cinema use and features a very soft roll-off outside the extremely well behaved coverage angle. The horn is fixed within the enclosure to ensure an accurate acoustic crossover, phase response, and an incredibly consistent vertical pattern between the low and high frequencies. The Acheron's 580 Hz crossover point places most of the dialog in the horn, which is ideal for cinema applications.

Boasting a frequency response of 38 Hz to 17 kHz at ?4 dB, as well as a generous peak output of 139 dB with very low distortion, the Acheron stands up to the most demanding of digital soundtracks, maintaining a wide dynamic range and full fidelity. Designed and manufactured at Meyer Sound's headquarters in Berkeley, California, the Acheron's drivers include one 15-inch low-frequency neodymium magnet cone driver and one high-frequency 4-inch diaphragm compression driver. The drivers yield uncompromising quality and full bandwidth, making the Acheron suitable for small and medium theatres, dub stages, and production and post-production facilities.

The Acheron's sophisticated onboard amplification produces consistent and predictable results in any system design. The proprietary Meyer Sound power amplifier is a two-channel, class AB/H amplifier with complementary MOSFET output stages that yields a total output of 1685 W (3370 W peak). Built-in signal processing includes an electronic crossover and correction filters - to achieve a flat phase and frequency response - along with driver protection circuitry. The self-powered design not only ensures consistent results but also simplifies installation in both new and existing rooms.

The optional RMS remote monitoring system allows comprehensive monitoring of system parameters on a Windows®-based computer.

Strategically placed 3/8-inch threaded points on the side corners of the Acheron cabinet allow the unit to be mounted to floors with uptilt or downtilt using optional floor mount brackets. The Acheron can also be mounted on top of the Acheron LF loudspeaker, with uptilt or downtilt, using the optional stacking brackets.

  • Self-powered design provides ease of installation and reliability
  • Exceptional clarity and extended headroom
  • Constant-Q horn yields uniform response throughout the coverage area
  • Extraordinarily flat amplitude and phase response for tonal accuracy
  • Wider or narrower coverage versions accomodate different room shapes
  • Seamless integration with the Acheron LF loudspeaker and HMS-10 surround loudspeaker
  • Extended high-frequency performance

  • Applications
  • Small- to medium-sized theatres
  • Larger theatres with use of Acheron LF
  • Re-recording stages
  • Screening rooms
 
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