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MPA82000

User Manual

Compact 8 Channel Professional Audio Amplifier with Integrated DSP Control

Version 1.1, September 2005

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Summary of Contents for MPA82000

Page 1: ...MPA82000 User Manual Compact 8 Channel Professional Audio Amplifier with Integrated DSP Control Version 1 1 September 2005 ...

Page 2: ...eration as specified and intended Details of the Apparatus MTI Danmark A S 8 Channel PA Amplifier Model Number MTI MPA82000 Associated Technical File Not applicable Directives this equipment complies with 73 23 EWG 93 68 EWG CENELEC 1996 07 02 Harmonised Standard applied IEC 61000 3 4 In order to verify compliance with directives EN 55103 1 Emission Issue June 1997 EN 55103 2 Immunity Issue June 1...

Page 3: ...2 Welcome 4 The MPA82000 Amplifier 4 Unpacking 4 Cables and Connections 6 Software Installation 8 Using the Speaker Management Software 8 Specifications 11 Accessories 11 Routine Maintenance 11 Replacement of an amplifier module 12 MTI Limited Warranty 12 Page 3 ...

Page 4: ...re bandwidth limited 3kHz 3dB Other configurations on request Module 1 is to the left when the amp is viewed from the front The design of this amplifier is a culmination of over three decades of professional audio product development by MTI It features a very sophisticated construction resulting in considerable advances over traditional amplifier design All circuit designs are based on extremely r...

Page 5: ...MPA82000 Power Amplifier Page 5 ...

Page 6: ...ble difficult to handle Signal cables should consist of two inner conductors with a single overall shield The use of balanced signal wiring is recommended whenever possible for maximum noise immunity Speaker cables should be made with a minimum of 2 5mm csa 12 gauge cable However for cable runs over 50m a minimum of 4mm 10 gauge cable should used XLR 3 Pin Assignment Inputs Pin 1 Signal ground shi...

Page 7: ...sing channel number in the DSP GUI DO NOT short speaker outputs DO NOT ground speaker outputs Communication adapters Neutrik Minicon Pin Assignment Communication adapter Pin 1 TX Pin 2 No Connection Pin 3 No Connection Pin 4 TX Pin 5 No Connection Pin 6 RX Pin 7 No Connection Pin 8 RX Female pinout numbers CW as seen from the front of amplifier Male pinout numbers CCW as seen from the front of amp...

Page 8: ...ct COM Whenever you launch MPA82000 speaker management software you will be asked to Select COM Simply highlight the COM port that your amplifier s are connected to and press SELECT If you wish to explore the software without an amplifier connected then select DEMO The Main Screen consists of four control buttons in the top left corner Detect Searches COM port for any connected MPA82000 amplifiers...

Page 9: ...he up down buttons by each value When the mouse is moved over the EQ screen a cursor provides precise information regarding the frequency and gain An add crossover button to the right of the screen will overlay crossover points onto the frequency curve A click and drag function is provided so simply double clicking on the equaliser curve creates blue index points which can then be dragged by the m...

Page 10: ...te very audible distortion to the signal Therefore some care has to be taken when adjusting limiter parameters In particular fast limiter settings cause significant degradation of low frequency signals so particular attention has to be made when setting limiters for bass or full range signals Peak limiting takes place in the analogue domain Limiting is done by highly sophisticated laser trimmed VC...

Page 11: ... Accessories Hardware USB to RS485 adapter COM Port RS232 to RS485 adapter Hardware dongle for changing presets RS485 termination for long cable runs Data cable for connecting amps Software Presets for MTI speaker range Routine Maintenance MTI MPA82000 Amplifiers are designed to give long and reliable operation and require very little maintenance SAFETY NOTICE Please note that power to the amplifi...

Page 12: ...ply MUST be disconnected before removing any part of the amplifier casing 1 Switch off power and disconnect mains lead from supply 2 Remove 4 x 6mm screws and 4 x 4mm screws from rear panel noting screw positions 3 Remove rear panel and disconnect power connections to modules 4 To remove a module push it backwards and slide it out 5 Slide replacement module into position 6 Reconnect all power conn...

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