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User's Manual
MP2D
TWO CHANNELS MICROPHONE /
INSTRUMENT PREAMPLIFIER WITH STEREO BUS
R
LTO
www.altoproaudio.com
Version 1.1 November 2005
English
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PREF PREFACE ACE Thank you for choosing LTO MP2D Two Channels Microphone / Instrument Preamplifier with Stereo Bus 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
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TABLE OF CONTENTS 1. INTRODUCTION..................................................................................................................................................4 2. FEATURES...................................................................................................................................... ...................4 3. CONTROL ELEMENTS.....................................................................................................................................
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1. INTRODUCTION Congratulation! Now you are the owner of the MP2D Two Channel Microphone / Instrument Preamplifier with Stereo Bus, which is provided with 129dB of signal to noise ratio and 0.007% of THD. Each channel provides an 1/4 inch instrument socket , individual phantom power, phase reverse and high pass filter. It is equipped with a "vintage" function to add warm, tube-like sounds to your mix. The MP2D includes a sophisticated 24 bit digital output interface with external / internal cloc
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High Pass Filter Switch 5 The unit provides an 80Hz high pass filter for each channel. You will activate the filter by pressing this switch. This filter is useful for eliminating extraneous low-end information from the signal being amplified. Frequencies from eighty hertz and below are cut from the incoming signal. But never press the switch when in music or bass musical instrument application or the plump bass of music, or musical instrument will disappear. L/R Assign Switch 6 This L/R button a
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AC Inlet 15 Standard IEC receptacle, connect your MP2D to mains with the supplied power cord. Before powering up your MP2D for the first time, make certain the stated power requirement of the instrument matches the voltage supplied in the country. Failure to do so could result in injury to the user and the probability of irreparable damage to the unit is highly likely. Digital output Connector 16 These connectors are professional interfaces for transmitting digital audio signal, which come confi
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6. TECHNICAL SPECIFICATION INPUT Connectors XLR and 1/4" TRS (Pin 2 and Tip hot) Type Electronically balanced/unbalanced, RF filtered Impedance Balanced >50Kohm, Unbalanced>25Kohm Max input level >+24dBu balanced and unbalanced Typically>60dB at 1KHz CMRR OUTPUT Connectors Connectors XLR and 1/4" TRS (Pin 2 and Tip hot) Four balanced XLR AES/ EBU, SPDIF Type Electronically balanced/unbalanced, RF filtered Impedance Balanced 120ohm, Unbalanced>60ohm Max output level >+21dBu,+20dBm balanced and un
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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 2005 SEIKAKU GROUP NF02205-1.1
