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INTRODUCTION Thank you for purchasing a Martin Audio MX5 system controller. The MX5 is the latest and most advanced analogue Martin Audio loudspeaker management system and can be configured to optimise the performance of any combination of Martin Audio high end loudspeakers.
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CONTENTS UNPACKING Each Martin MX5 controller is built to the highest standard and thoroughly inspected before it leaves the factory. After unpacking the unit, examine it carefully for any signs of transit damage and inform your dealer if any such damage is found.
CONTENTS MECHANICAL The MX5 is housed in an all steel 1U 19" rack case. In permanent installations, the MX5 should be rack mounted using the four holes in the front panel. Additional support may be required for heavy duty road use.
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The electronic reference 0V is taken to chassis via the rear panel signal ground switch. This inserts a ground lift resistor when switched to off. The inputs and outputs of the MX5 are electronically balanced, pin 2 being designated + (hot). Because both inputs and outputs are balanced either pin can be assigned as + (hot) provided the convention is maintained through the controller.
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For unbalanced use, having decided which pin is ‘hot’ (see above), connect the ‘cold’ pin and (Pin 1) together. The signal ground switch should be placed in the Lift position at the MX5 outputs which permit the amplifier to be locally grounded (as required for safety reasons) without causing a hum loop.
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Threshold settings for the limiters may be adjusted by first removing the MX5 top cover (two screws on each side) to gain access to the 16 way switches which are located on the main motherboard. Setting the limiter threshold automatically sets the range of the LED display which will indicate dB’s below threshold.
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Each limiter may be completely defeated, if desired, by setting a jumper located on the main mother board (J1-J4). If another MX5 is to be driven from any of the output channels (eg where one MX5 splits the signal...
GUIDES CONTENTS SYSTEM CONFIGURATION The MX5 where used in conjunction with a plug-in board becomes a dedicated system controller. Depending on the plug-in system-specific board, the MX5 is automatically configured either as a stereo 2-way or mono 3/4 way controller.
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