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The world’s first DSP In-wall
based on technology used
DSP420 M420
in Meridian’s famous DSP
Digital Signal Processing Analogue Active In-Wall
speakers
In-Wall Loudspeaker System Loudspeaker System
INSTALLATION & OPERATION
New analogue active version
also available
Easy-install sealed pre-
construction enclosure with
redesigned, simplified back-
box
Double sealed and damped
acoustic enclosure
Separate, on-board,
85W bass and 65W treble
power amplifiers
2 way active speaker with
DSP (
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high resolution. These amplifiers are coupled Analogue or Digital – Your Choice directly to the drive units for the most efficient Following the success of the original DSP420, the delivery of power and the best possible control loudspeaker is now also available in an analogue active version, the M420. The M420 features a over driver excursion. Both analogue and digital variants exhibit extremely low levels of noise and balanced line-level audio input (which may be distortion, aided by care
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Configuration: DSP420 DSP420 M420 The DSP420 can be configured either with a Digital Signal Processing Analogue Active In-Wall PC, using the Meridian graphic configuration In-Wall Loudspeaker System Loudspeaker System program or via RS232 commands. The use of INSTALLATION & OPERATION the configuration application is described in Introduction its manual, which can be downloaded, along The DSP420 Digital In-Wall Loudspeaker System with the latest version of the program, from the uses high
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help of this section, please contact your Meridian Service dealer or Meridian Audio Ltd. Meridian components are carefully designed to give years of untroubled service. There are no user-serviceable parts inside the case, nor do the Red power indicator on front panel not lit Check the following: units require any form of maintenance. • The power switch on the front panel of the unit is turned on. In the unlikely event that your unit fails to If the power indicator will still not illuminate,
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AUDIO CONNECTIONS REFER TO INSTRUCTIONS BEFORE WIRING CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR REFER TO IMPORTANT SAFETY INSTRUCTIONS BEFORE INSTALLATION ~100-240V 50-60Hz OUTLET SUITABLE FOR LOADS UP TO 1000W 10A MAXIMUM 100-120V ~ or 1000VA 5A MAXIMUM f 2 240 ~ or 20- V Fitting Instructions DSP420 M420 Digital Signal Processing Analogue Active In-Wall See separate sheet for important safety In-Wall Loudspeaker System Loudspeaker S
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Step 3: Fix back-box into cut-out. Thread cables through correct holes in back box: audio/comms cables ❸ come in from the top; power from the bottom (see separate sheet for power wiring installation instructions). Step 4: Fix the required audio junction box in top right position. The digital ❹ board (left) is already installed; the analogue board (right) is supplied loose. You can use either the connectors or the terminal blocks provided. Step 8: Secure frame and fit grille. Grille ca
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DSP420 M420 Digital Signal Processing Analogue Active In-Wall In-Wall Loudspeaker System Loudspeaker System INSTALLATION & OPERATION Audio wiring instructions First remove the cover labelled audio connections. M420 If it is intended to use the wall box with a M420 loudspeaker, then select the analogue input card. In order to function correctly, the DSP420 requires connections to be made to both Meridian Comms and digital audio. Connections to both the Comms and digital audio can be made u
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Connecting a pair of DSP420s as a stereo system Digital Audio (75 Ohm Coax) Comms (Single Screened) Set to master To equipment e.g. G08 Set to slave Slave Master Slave Master Out In Out In In Out In Out +8V GND +8V IR GND Out GndIn Gnd Out GndIn Gnd GND IR GND Out GndIn Gnd Out GndIn Gnd Digital Audio Digital Audio Meridian Comms Meridian Comms Slave Speaker Master Speaker Connecting a pair of DSP420s as slaves in a theatre system Digital Audio (75 Ohm Coax) Set to slave Comms (Single Screened)
