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User's Manual
MP8
EIGHT CHANNELS MICROPHONE/
INSTRUMENT PREAMPLIFIER
ON
R
LTO
www.altoproaudio.com
Version 1.2 April 2006
English
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PREF PREFACE ACE Thank you for choosing LTO MP8 Eight Channel Microphone/Instrument Pre-amplifier and thanks for choosing one of the results of LTO AUDIO TEAM job and research. For our LTO AUDIO TEAM, music and sound are more than a job...is first of all passion and let us say our obsession! We have been designing professional audio products for a long time in cooperation with some of the major brands in the world in the audio field. The LTO line presents unparalleled analogue and digital produc
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TABLE OF CONTENTS 1. INTRODUCTION..................................................................................................................................................4 2. FEATURES...................................................................................................................................... ...................4 3. CONTROL ELEMENTS.....................................................................................................................................
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1. INTRODUCTION MP8 eight channels microphone/ instrument preamplifier has been designed and constructed using advanced technology to provide its user crystalline audio reproduction for an infinite period of time, which is ideal for professional recording applications and sound installs. These first 2 channels of our MP8 include high gain mic /line input with an integrated DI box feature. The high-quality components and the carefully designed circuits ensure excellent audio performance and an ex
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Input Level LED Indicator 5 These three LEDs will indicate the level of the input signal. When red LED flashes, it warns you that the level of the input signal is too high and may cause distortion, please attenuate the level of the input signal. . 6 Power LED Indicator When the unit is powered on, the LED lights up. 7 Power Switch It switches on/off MP8 main power. 3.2 The Rear Panel AC INPUT CH.8 CH.7 CH.6 CH.5 CH.4 CH.3 CH.2 CH.1 210-240V 50Hz INSERT INSERT INSERT INSERT INSERT INSERT INSERT I
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4: INSTALLATION AND CONNECTION 4.1 Mains Connection Please ensure that the MP8 is set to the correct supply voltage before plugging the power cord into the wall outlet, use the same fuse as marked on the fuse holder at the AC power connection. The mains connection of the MP8 is made by using the enclosed mains cord and a standard IEC receptacle. It meets all of the international safety certification requirements. 4.2 Audio Connection The MP8 presents with balanced XLR & 1/4" TRS and combo connec
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21 3 1 2 3 For Direct Output Multi-pin Connector Wiring Direct output 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Pin14 = CH1-H Pin18 = CH4-H Pin23 = CH7-H Pin1 = CH1-C Pin6 = CH4-C Pin10 = CH7-C Pin2=GND Pin19 = GND Pin11 = GND Pin15 = CH2-H Pin20 = CH5-H Pin24 = CH8-H Pin3 = CH2-C Pin7 = CH5-C Pin12 = CH8-C Pin13 = GND Pin16 = GND Pin8=GND Pin17 = CH3-H Pin21 = CH6-H Pin25 = GND Pin4 = CH3-C Pin9 = CH6-C Pin5= GND Pin22 = GND -Insert Points Connection If you are connec
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6. TECHNICAL SPECIFICATION INPUT Six balanced XLR,Two 1/4"TRS Instrument Inputs and TWO Connectors combo on Channel One and Tw Balanced >50Kohm, Unbalanced>25Kohm Impedance >+24dBu balanced and unbalanced Max input level Typically>60dB at 1KHz CMRR OUTPUT Eight 1/4" TRS (INSERT) Connectors DIRECT OUT MULTI -PIN CONNECTOR WIRING Unbalanced>60ohm Impedance >+21dBu unbalanced Max output level SYSTEM SPECIFICATIONS 20HZ to 20kHz, +0/-0.5dB Bandwidth 10Hz to 200kHz,+0/-3dB Frequency Response >128dBu,
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7. 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 purport a more effective and efficient after-sales warranty service. Please fill out all the information carefully and genuinely, miswriting or absence of this card will
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SEIKAKU TECHNICAL GROUP LIMITED 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 c manual without written permission is forbidden. Copyright 2006 SEIKAKU GROUP NF02243-1.2
