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Posts to:
United Kingdom
Posts to:
United Kingdom

Details about  Meyer Sound M-1A Ultra Series

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Meyer Sound M-1A Ultra Series
Item Ended
Item condition:
23 Dec, 2013 04:20:12 GMT
Starting bid:
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£10.00 Economy Delivery | See details
Item location:
Colwyn Bay, United Kingdom


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Item specifics

Used: An item that has been previously used. The item may have some signs of cosmetic wear, but is fully ... Read moreabout the condition

PA Speaker System




Meyer Sound



Meyer Sound M-1A

  • The UPA loudspeaker operates as a system with the 19” rack-mount M-1A Control Electronics unit (1 per channel) optimized for the UPA-1A.  The M-1A contains an electronic processor with frequency response and phase response alignment circuitry and Meyer Sound’s exclusive Speaker Sense driver protection circuitry, incorporating both peak and RMS signal limiting.
  • A single channel device operating at line level, the M-1A is the final component in the signal chain before the amplifier. It’s factory calibrated Speaker Sense circuitry protects the UPA-1A loudspeaker components from damage due to overheating under high power conditions.  This unique circuit continuously monitors the power applied to the UPA-1A drivers, and individually limits the high frequency and low frequency processor outputs when the safe operating limits of the drivers are exceeded. Until the onset of limiting, the Speaker Sense circuitry has no effect on the signal.
  • Also provided on the M-1A is a switch selectable safe function. Which widens the safety margins of the system and is intended to be used  when extended periods of overload are anticipated. The safe switch and other set up controls are located behind a panel on the front of the unit.
  • To enhance the effectiveness of the UPA-1A the M-1A incorporates sliding filters which band-limit the system response under full-power conditions. This has the effect of discriminating for vocal information in the signal to increase clarity, and is particularly useful when sound pressure levels are high and leakage becomes a problem.

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