User's Manual MS Series R LTO www.altoproaudio.com Version 1.
SAFETY INSTRUCTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN "Electric discharge" This symbol, alert you to the presence of uninsulated dangerous voltage inside the product enclosure, which constitutes a risk of electric shock. "Exclamatory point" This symbol, alert the user to the presence of important operating and maintenance instructions in the owner's manual included to the product. Disposing of this product should not be placed in municipal waste and should be Separate collection. 1.
TABLE OF CONTENTS 1. INTRODUCTION.......................................................................................................................................................3 2. FEATURES................................................................................................................................................................4 3. QUICK START...........................................................................................................................................
1. INTRODUCTION Thank you for purchasing LTO MS series speaker system. This series includes MS series cabinet and LTO MS1 speaker modeller. MS series cabinet is specifically designed for use in hi-quality performance site and the precise sound reinforcement commercial place. It includes five full range cabinets (MS12, MS15, MS152, MS153, and MS154) and two subwoofers (MS15S, MS18S). This series uses trapezium configuration which greatly decreases the resonance of the standing wave in the cabinet.
2. FEATURES Trapezium 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. Steep slope of 12dB/octave crossover for a cleaner signal with finer detail Built-in 16 EQ curves which are suitable for different application.
3. QUICK START Make all initial connections with all the equipment powered off, and ensure that all the main volume controls are turned completely down. -. For Passive Full-range Speakers 1). Connect one side of the 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 speaker cabinet. 2) Connect the input terminal of LTO MS1 with the AUX SEND of mixer( or the similar terminal).
-. 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. 2) Connect the input terminal of LTO MS1 with the AUX SEND of mixer ( or the similar terminal). Connect its output terminal with the AUX RETURN of the mixer. Then select the preset as need. 3).
4. CONTROL ELEMENTS 4.1MS SERIES CABINET - PASSIVE 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).
4.2 LTO MS1 SPEAKER MODELLER - THE FRONT PANEL R SPEAKER MODELLER LTOM S 1 CLIP ACOUSTIC ROCK & ROLL+SUB 0dB JAZZ CLUB+SUB VIRTUAL SUB STAGE MONITOR CONCERT HALL+SUB ARENA+SUB DISCO CONCERT HALL (1) VOCAL ANTIRUMBLE MIN MAX GAIN DRUM KICK (2) POWER JAZZ CLUB LOUDNESS FLAT ROCK & ROLL (3) (4) 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.
5. INSTALLATION 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-. 1- 2- 1+ 2+ In our cabinets, only 1+/1- are used to connect the Speaker+/Speaker-, and 2+/2- are not used. 5.2 For LTO MS1 SPEAKER MODELLER Please use shielded twisting pair which can reduce noise and signal loss.
6. TECHNICAL SPECIFICATION 6.
Model Item MS153 MS154 Passive System Type 3-way vented box 3-way vented box Continuous Power 400Watt AES Standard 700Watt AES Standard Peak Power 800Watt Peak 1400Watt Peak Max SPL at 1m 123dB SPL calculated 125dB SPL calculated Frequency Response 50Hz / 20kHz at -10dB 45Hz / 20kHz at -10dB Impedance 8 Ohm or 4 Ohm 4 Ohm or 8 Ohm Crossover Frequency 700Hz - 3kHz / 12dB/Oct 700Hz - 3kHz / 12dB/Oct Protection Electronic Dynamic Protection Electronic Dynamic Protection Low Frequency
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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 manual without written permission is forbidden. Copyright c 2006 SEIKAKU GROUP NF02424-1.
