Alto MISTRAL 900 User Manual
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Alto MISTRAL 900 User Manual

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R
LTO
User's Manual
MISTRAL 900/1500
STEREO POWER AMPLIFIER
www.altoproaudio.com
Version 1.0 OCT. 2007
English

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Summary of Contents for Alto MISTRAL 900

  • Page 1 User's Manual MISTRAL 900/1500 STEREO POWER AMPLIFIER www.altoproaudio.com Version 1.0 OCT. 2007 English...

  • Page 2: Important Safety Instruction

    IMPORTANT SAFETY INSTRUCTION CAUTION WARNING To reduce the risk of electric shock RISK OF ELECTRIC SHOCK and fire, do not expose this equipment DO NOT OPEN to moisture or rain. TO REDUCE THE RISK OF ELECTRIC SHOCK PLEASE DO NOT REMOVE THE COVER OR Dispose of this product should THE BACK PANEL OF THIS EQUIPMENT.

  • Page 3: Table Of Contents

    IN THIS MANUAL: 1. INTRODUCTION.................1 2. FEATURES................1 3. CONTROL ELEMENTS..............2 4. APPLICATION................5 5. TECHNICAL SPECIFICATIONS .............13 6. WARRANTY................14...

  • Page 4: Introduction

    Fantastic audio quality even with extremely high volume levels Solid and durable can be mounted into a cabinet User-controllable clip limiter 300 Watt EIAJ on 4 ohms for MISTRAL 900 500 Watt EIAJ on 4 ohms for MISTRAL 1500 Stereo (dual-channel) or bridge mono operating modes...

  • Page 5: Control Elements

    3. CONTROL ELEMENTS 1500 CLIP LIMIT OPERATING/ PROTECTION POWER ON POWER Stereo Power Amplifier 1 POWER SWITCH It switches the amplifier ON and OFF. 2 CLIP LED When the signal distortion reaches or surpasses 0.5% , the LED lights up. This means the output level of signal source is too high and it is time to reduce the input level until the LED turns off.

  • Page 6: Rear Panel

    3. CONTROL ELEMENTS Rear panel 14 11 POWER OUTPUTS Apparaten skall anslutas till jordat uttag nar den TIP/PIN 2 ansluts till ett natverk RING/PIN 3 SLEEVE/PIN 1 POS NEG TIDE POS NEG BRIDGE MODE LIMITER STEREO BREAKER PARALLEL INPUT BRIDGE POS NEG OUTPUT1 OUTPUT...
  • Page 7 3. CONTROL ELEMENTS 14 MODE SELECTOR The MISTRAL 900/1500 power amplifiers present two operating modes: - Stereo Mode In this mode, CH 1 and CH 2 operate independently (as a normal stereo amplifier). The CH 1 input signal will be output from the CH 1 output connector, and CH 2 input signal will be output from the CH 2 output connector.

  • Page 8: Application

    4. APPLICATION The MISTRAL 900/1500 amplifiers provide two operating modes: stereo mode and bridge mode, you can decide each specific operating mode according to your actual application circumstance. Please see following diagram for connecting the power amplifier into your audio system.

  • Page 9: Stereo Mode

    4. APPLICATION - Stereo Mode Input Connector Balanced INPUT POWER OUTPUTS Apparaten skall anslutas till jordat uttag nar den TIP/PIN 2 ansluts till ett natverk RING/PIN 3 SLEEVE/PIN 1 POS NEG TIDE POS NEG BRIDGE MODE LIMITER STEREO BREAKER PARALLEL INPUT BRIDGE POS NEG...
  • Page 10 4. APPLICATION - Stereo Mode You can also operate the parallelled mode via outside wiring, so the signal input from CH 1 or CH 2 will be output from both CH 1 and CH 2 simultaneously. The volume of CH 1 or CH 2 can be controlled separately. Input Connector Balanced CH 1...
  • Page 11 4. APPLICATION - Stereo Mode Input Connector Balanced INPUT POWER OUTPUTS Apparaten skall anslutas till jordat uttag nar den TIP/PIN 2 ansluts till ett natverk RING/PIN 3 SLEEVE/PIN 1 POS NEG TIDE POS NEG BRIDGE MODE LIMITER PARALLEL STEREO BREAKER INPUT BRIDGE POS NEG...
  • Page 12 4. APPLICATION - Stereo Mode Input Connector Balanced CH 1 INPUT POWER OUTPUTS Apparaten skall anslutas till jordat uttag nar den TIP/PIN 2 ansluts till ett natverk RING/PIN 3 SLEEVE/PIN 1 POS NEG TIDE POS NEG BRIDGE MODE LIMITER STEREO BREAKER PARALLEL INPUT...
  • Page 13 4. APPLICATION - Stereo Mode Input Connector Balanced INPUT POWER OUTPUTS Apparaten skall anslutas till jordat uttag nar den TIP/PIN 2 ansluts till ett natverk RING/PIN 3 SLEEVE/PIN 1 POS NEG TIDE POS NEG BRIDGE MODE LIMITER STEREO BREAKER PARALLEL INPUT BRIDGE POS NEG...
  • Page 14 4. APPLICATION - Bridge Mode In this mode, the CH 1 input signal will be output from the bridge output connector. On the other hand, the output level control of CH 2 should be turned down to smallest (turn the volume control at counterclockwise). Only the volume control of CH 1 is used to control the volume of the whole system.

  • Page 15: Bridge Mode

    4. APPLICATION - Bridge Mode Input Connector Balanced INPUT POWER OUTPUTS Apparaten skall anslutas till jordat uttag nar den TIP/PIN 2 ansluts till ett natverk RING/PIN 3 SLEEVE/PIN 1 POS NEG TIDE POS NEG BRIDGE MODE LIMITER PARALLEL STEREO BREAKER INPUT BRIDGE POS NEG...

  • Page 17: Warranty

    6. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of the sales status, so as to provide a more effective and efficient after-sales warranty service.
  • Page 18 NO. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan http://www.altoproaudio.com Tel: 886-4-22313737 email: alto@altoproaudio.com Fax: 886-4-22346757 All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this manual without written permission is forbidden. Copyright...

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Mistral 1500

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