Alto MP8D Owner's Manual
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Alto MP8D Owner's Manual

Eight channels microphone/instrument preamplifier with digital output
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R
LTO
OWNER'S MANUAL
MP8D
EIGHT CHANNELS MICROPHONE/INSTRUMENT
PREAMPLIFIER WITH DIGITAL OUTPUT
www.altoproaudio.com
Version 1.2 SEPTEMBER 2007
English

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  • Page 1 OWNER'S MANUAL MP8D EIGHT CHANNELS MICROPHONE/INSTRUMENT PREAMPLIFIER WITH DIGITAL OUTPUT www.altoproaudio.com Version 1.2 SEPTEMBER 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

    The sample rate selector allows you to select 44.1k, 48k, 44.1k 2, 48k 2, 44.1k 4, 48k 4 or sample rate, or to use an external clock. MP8D ESOTAR features an outstanding 128 dB of S/N ratio; a frequency response extended to 200 kHz and a THD of 0,007%.

  • Page 4: Quick Start

    3. QUICK START This is the fastest way to get something out from your MP8D, if you have a keyboard and a microphone. a. Keep the Power switch in OFF position. b. Turn down all the GAIN controls. c. All the switches must be in OUT position.
  • Page 5 HOOK MP8D WITH ADAT RECORDING DEVICE BASS CH.8 CH.7 CH.6 CH.5 CH.4 CH.3 CH.2 CH.1 AC INPUT 210-240V 50Hz INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT Rated Power WORD CLOCK PUSH PUSH Consumption 35W DIGITAL OUT J.T. J.T. J.T.

  • Page 6: Control Elements

    4. CONTROL ELEMENTS FRONT PANEL CLIP CLIP CLIP CLIP CLIP CLIP CLIP CLIP 44.1K MP8D INSTRUMENT INSTRUMENT SAMPLE RATE 8 CHANNEL E S O T A R MIC PRE-AMPLIFIER 60dB 60dB 60dB 60dB 60dB 60dB 60dB 60dB 60dB EXT. CLOCK...
  • Page 7 6 SAMPLE RATE Selector Switch Your MP8D is provided with 6 different sample rates: 44.1k, 48k, 44.1k x 2, 48k x 2, 44.1k x 4, 48k x 4. You can use this switch to select the right sample rate.
  • Page 8 AES/EBU output and the ADAT output simultaneously. For example, you can use the AES/EBU output to input the 8 channels of your MP8D into a digital mixer and at the same time record the same channels into an ADAT recorder through the ADAT pipeline.

  • Page 9: Installation And Connection

    The MP8D can be used on a single instrument by connecting to the mixing console's main inserts, or on an entire mix "in-line" between a mixing console's outputs and a power amplifier.
  • Page 10 5. INSTALLATION AND CONNECTION Ring=Return Signal Sleeve Ring Strain Clamp Tip=Send Signal Sleeve=Ground/Screen Use for Insert Points 1/4" Stereo (TRS) Jack Plug 2=Hot(+) 2=Hot(+) 1=Ground/Screen 1=Ground/Screen 3=Cold(-) 3=Cold(-) Use for Balanced Mic Inputs Use for Main output (For unbalanced use, leave pin3 unconnected) (For unbalanced use, connect pin 1 to 3) 3-pin XLR Male Plug 3-pin XLR Line Socket...
  • Page 11 5. INSTALLATION AND CONNECTION 5.3 AES/EBU and S/PDIF connectors AES/EBU CONNECTOR Yellow (For the digital output of CH1/CH2) CN-BAL-FEMALE-2 White (For the digital output of CH3/CH4) CN-BAL-FEMALE-2 DB9 XLR socket (female) Red (For the digital output of CH5/CH6) CN-BAL-FEMALE-2 Black (For the digital output of CH7/CH8) CN-BAL-FEMALE-2 S/PDIF CONNECTOR CN-RCA2-1...

  • Page 12: Appendix

    6. APPENDIX Our products are shipped in AES/EBU mode, to change to consumer(S/PDIF) mode, please follow the jumper settings as below. There are 5 jumpers in total: 4 double jumpers and 1 single. The picture 1 is the original setting (AES/EBU mode): Jumper Picture 1 The picture 2 is the Consumer...

  • Page 13: Block Diagram

    7. BLOCK DIAGRAM...

  • Page 14: Technical Specification

    Stereo Coupling Sampling Rates Digital 44.1K,48K,44.1K x2,48K x2,44.1K x4,48K x4 Output 24-bit FUNCTION SWITCHES 48 Volt Phantom Power Eight channel of the MP8D has 48V Phantom power available High pass filter >80 Hz Sample Six sample rates On/Off Ext.clock INDICATORS INPUT LEVEL 3 element LED display: -20 / 0 / CLIP dB.

  • Page 15: Warranty

    9. 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 16 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 2007 Seikaku Group NF02206-1.2...

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