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User's Manual
A500.2 DRAGONFLY DIGITAL POWER AMPLIFIER
R
LTO
www.altoproaudio.com
Version 1.5 February 2006
English
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Unplug the product before electrical storms SAFETY RELATED SYMBOLS occur and when unused for long periods of time to reduce the risk of electric shock or CAUTION RISK OF ELECTRIC SHOCK fire. DO NOT OPEN External Connection This symbol, wherever used, alerts Always use proper ready-made insulated you to the presence of un-insulated mains cabling (power cord). Failure to do and dangerous voltages within the so could result in shock/death or fire. If product enclosure. These are voltages in doubt,
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To avoid the risk of electric shock and Servicing damage, do not subject this product to Refer all servicing to qualified service any liquid/rain or moisture. Do not use this personnel only. product when in close proximity to water. Do not perform any servicing other than those instructions contained within the Do not install this product near any direct User's Manual. heat source. Do not block areas of ventilation. Failure to do so could result in fire. Keep product away from naked flames. IMPO
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Preface Dear Customer, Thanks for choosing LTO A500.2 Amplifier and thanks for choosing one of the results Of LTO AUDIO TEAM job and researches. For our LTO AUDIO TEAM, music and sound are more than a job...are first of all passion and let us say...our obsession! We have been designing professional audio products for a number of years in cooperation with many of the world's major brands in audio field. The LTO line presents unparalleled analogue and digital products made by Musicians for Musicia
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TABLE OF CONTENT 1. INTRODUCTION ............................................................................................5 2. FEATURES ....................................................................................................5 3. CONTROL ELEMENTS .................................................................................5 3.1 Front Panel 3.2 Rear Panel 4. TECHNICAL SPECIFICATION.......................................................................7 5. WARRANTY...............
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1. INTRODUCTION The LTO A500.2 DRAGONFLY is D-class digital Power Amplifier with advanced features and great efficiency. It delivers tremendous power in a small space, providing high level performance even under the most demanding conditions. The amplifier contains two independent channels with separate AC transformer, power supplies and protection system. Each channel has independent protective circuitry against open circuit, short Circuit, mismatched loads and over temperature. Thanks to the u
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2 1 2 1 2 1 2 1 1 Power LED This LED lights up when the unit is powered on. 2 Power Switch Turn the unit on or off. 3 Level Control for Channels1&2 Adjust the output signal level of respective channel. Clip LED 4 When the LED lights up, it means the output level of signal is too high and it is time to reduce the signal level until clip LED turns off. 5 Limit LED While the unit is limiting the output signal, the LED lights up. Signal LED 6 When there are signals present in this unit, the LED ligh
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9 Output Connector These NEUTRIK connectors are used to connect with your speakers. 10 AC Input Use it to connect your A500.2 DRAGONFLY to the supplied AC cord only. Please check the voltage in your country before attempting toconnect the unit with the main AC. 11 Fuse Holder The fuse can protect the AC supplies circuit of the equipment. CAUTION: if there is something wrong with the fuse or the fuse needs to change, use only the recommended fuse type as indica-ted in this unit. If the fuse conti
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All the information presented in this Warranty Registration Card gives the manufac- turer 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 void your warranty service. 2. RETURN NOTICE 2.1 In case of return for any warranty service, please make sure that the product is well packed in its original shipping carton, and it can p
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SEIKAKU TECHNICAL GROUP LIMITED SEKAKU ELECTRON INDUSTRY (H.K.) CO., LTD. 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 NF02069-1.5
