Instruction/ maintenance manual of the product MS Series Alto
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MS Series User's Manual LTO R www .altoproaudio.com V ersion 1.0 March 2006 English.
1 SAFETY INSTRUCTIONS 1. Read Instructions All the safety and operation instructions should be read before using the product and retain them for future reference. 2. W ater & Moisture This product should not be used near water and will be protect from atmospheric agents in fixed or temporary installations.
2 T ABLE OF CONTENTS 1. INTRODUCTION.......................................................................................................................................................3 2. FEA TURES..................................................
3 1. INTRODUCTION Thank you for purchasing L TO MS series speaker system. This series includes MS series cabinet and L TO MS1 speaker modeller . MS series cabinet is specifically designed for use in hi-quality performance site and the precise sound reinforcement commercial place.
4 2. FEA TURES T rapezium configuration decreases the resonance of the standing wave in the cabinet. The cabinet uses hi-density matrix spray-paint technics The bottom bracket design makes mounting quickly and flexibly . HF compression driver and vented LF for fully professional performance.
QUICK ST ART MS Passive Full-range Speakers Stereo Power Amplifier speaker cable T ripod Mount Left Main Mix Output Right Main Mix Output Mixer T ripod Mount speaker cable 5 3 . QUICK ST ART Make all initial connections with all the equipment powered off, and ensure that all the main volume controls are turned completely down.
6 -. For Passive Subwoofer & Satellite Speakers 1). Connect one side of speaker cable to the Output CHA/CHB or Binding Post of your stereo power amplifier and the other side to the Input socket of your subwoofer , with the second speaker cable connect the Output of the subwoofer to the Input of satellite.
7 4. CONTROL ELEMENTS 4.1MS SERIES CABINET - P ASSIVE FULL-RANGE Speaker for MS12 / MS15 / MS152 / MS153/MS154 (1) INPUT : Receive the power coming from an external power amplifier (SPK +1/-1 connected; +2/-2 not connected). (2) THRU: Direct LINK for connect in parallel a second speaker cabinet (SPK +1/-1 connected; +2/-2 not connected).
8 4.2 L TO MS1 SPEAKER MODELLER - THE FRONT P ANEL 1. Gain Control This control adjusts the input gain by a range of -20 dB to +20dB. 2. Clip LED This LED lights up when the input signal is too strong. It warns that the output signal may cause distortion.
9 5. INST ALLA TION AND CONNECTION 5.1 For MS Series Cabinets Please use only the power connectors to make connections with other signal source equipment for the MS series cabinets. The power connector has four terminals: 1+, 1-, 2+, 2-. In our cabinets, only 1+/1- are used to connect the Speaker+/Speaker-, and 2+/2- are not used.
10 6. TECHNICAL SPECIFICA TION 6.1 MS1 SPEAKER TECHNICAL SPECIFICA TION Model Item MS12 MS15 2-way vented box 200W att AES Standard 400W att Peak 1 19dB SPL calculated 65Hz / 20kHz at -10dB 8 Ohm 2k5H.
Model Item 11 MS153 3-way vented box 400W att AES Standard 800W att Peak 123dB SPL calculated 50Hz / 20kHz at -10dB 8 Ohm or 4 Ohm 700Hz - 3kHz / 12dB/Oct Electronic Dynamic Protection 15" woofer / 2.
12 7.2 L TO MS1 TECHNICAL SPECIFICA TION AUDIO INPUT Connectors 1/4" jack T ype R filtered, servo balanced input Impedance 30 Kohm balanced, 22 Kohm unbalanced Max. input level +26 dBu balanced and Unbalanced CMRR T yp.40db,>55db@1khz AUDIO OUTPUT Connectors 1/4" jack T ypebalanced Min.
No. 1, Lane 17, Sec. 2, Han Shi West Road, T aichung 40151 T aiwan http://www .altoproaudio.com T el: 886-4-22313737 email: alto@altoproaudio.com Fax: 886-4-22346757 c All rights reserved to AL TO. All features and content might be changed without prior notice.
An important point after buying a device Alto MS Series (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Alto MS Series yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Alto MS Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Alto MS Series you will learn all the available features of the product, as well as information on its operation. The information that you get Alto MS Series will certainly help you make a decision on the purchase.
If you already are a holder of Alto MS Series, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Alto MS Series.
However, one of the most important roles played by the user manual is to help in solving problems with Alto MS Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Alto MS Series along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center