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Messenge Mark II
  • General
  • Feature
  • Specification
The Messenger offers a Q factor of up to 72, (10 V by 145 H) or even higher with smaller vertical opening angles up to 5 degrees, which compares very favorably with good horn loudspeakers. Good horn loudspeakers are noted for their directional characteristics (but normally within significantly smaller horizontal opening angles and therefore covering range). Equal coverage and no side lobes results in a precisely controlled listening field and high intelligibility with a maximum signal to reverb ratio. The Messenger series is ideal for use in Life-Safety applications where special requirements are necessary for Voice Evacuation systems. Each Messenger is equipped as standard with a 24 VDC battery backup input, amplifier and loudspeaker-element surveillance based on internal HF- carrier detection. 20 kHz input signal surveillance on audio input 2 is provided on an optional expansion board. (SD-1)
  • Fully digital sidelobe-free speakerarray.Triple-lobe feature for the ultimate accuracy in lobe design.
  • Features the latest technology based on a patented algorithmic technique.
  • Specially designed for high qualityspeech and background music applications in reverberant acoustic environments where it is difficult to meet contractual speech intelligibility requirements.
  • More flexible than earlier array technology because of the ‘Linear-Spacing’ technique and easy to install without a direct need for lobe fine tuning.
  • Tightly controlled beam, up to 5 degrees, which can be shaped in nine steps to meet each specific application or environment.
  • A-symmetrical and Symmetrical arrangement by means of software control.
  • Integrated DSP control with 7 band parametric EQ, noise gate, delay rooms, peak limiter, VOX-control on priority input and level raising microphone for ambient noise sensing.
  • Adaptable ACOUSTIC centre. Acoustic centre can be freely moved over the array to match lobe shape with the listening area.
  • Q factor of >72 (10 V x 145 H).
  • Equal coverage and no side lobes results in a precisely controlled listening field and high intelligibility even with a minimum S/N ratio.
  • Consistently high sound quality acrossthe coverage area and, because the sound is restricted to the area required, it can be louder than in earlier array technology.
  • Designed to be environmentally friendly in build and application.
  • Equipped for Voice evacuation applications.
  • 24 VDC input for battery backup, 20 kHz Input surveillance. Internal HF carrier loudspeaker surveillance.
  • Ambient noise sensor. Temperature sensor with frost protection. Battery surveillance. Fault report contacts.
  • RS485 data bus for full detailed status report and PC based remote setup (up to 32 Messengers on the bus).
  • EASE DLL, for advanced room acoustic simulations.
  • SPL stays within +/- 2 dB variation over a distance of at least 60 m.

Acoustical Frep. Range 100 - 16000

Max SPL 93 (+/-2)Continuous

Coverage angle M L XL IIL IIXL

For all units : Vertical 45° - 5° Horizontal 145°

Lobe shaping Centred on driver: 1, 3, 6, 12, 15, 18, 21, 24,

Lobe steering -45° to 0° to +45°

Triple lobe software YES on M, L, XL, IIL, IIXL versions

S/N ratio > 90

Primary audio input

Sensivity 775 Gain Stage -40 to +10 Type 600 Gain 0 Connector 3-pin

Secondary audio input

Sensivity 250 / 775 Gain stage -40 to +10 Type Line Input Impedance 10K Gain 0 Connector 3-pin

Audio output

Gain775 Gain stage-20 to +20, Type 600, Connector 3 pin

Communication

Data control

RS485 For commisioning the unit

RS232 For firmware updates

Address setup 1-32

Power requirement 240/115

Messenger

Power consumption M L XL IIL IIXL

IEC 3-pin 90 degrees 480 600 1200 1200 2400

Fuse rating 6.5 6.5 6.5 2 x 6.5 2 x 6.5 Mains plug

Power supply DC-input

Power requirements 16 - 27 VDC

Messenger M L XL IIL IIXL

Max. Power consumption 17 22 27 44 54

Quiescent 1.2 1.5 1.5 3 3 DC-Plug

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