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User's Manual
40 BIT ENHANCED
DPA6000
STEREO POWER AMPLIFIER
R
LTO
www.altoproaudio.com
Version 1.0 MAY 2005
English
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Fuse SAFETY RELATED SYMBOLS To prevent fire and damage to the product, use only the recommended fuse type as indicated in this CAUTION manual. Do not short-circuit the fuse holder. Before RISK OF ELECTRIC SHOCK DO NOT OPEN replacing the fuse, make sure that the product is OFF and disconnected from the AC outlet. This symbol, wherever used, alerts you to the pre- Protective Ground sence of un-insulated and dangerous voltages with- in the product enclosure. These are voltages that Before turning t
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PREFACE Dear Customer: Thanks for choosing LTO DPA6000 Stereo Power Amplifier which is the result of our LTO AUDIO TEAM's endeavors. For LTO AUDIO TEAM, music and audio are much more than a job, they are a passion and an obsession! We have been designing professional audio products for a long time in cooperation with many of the world's major brands. The LTO line represents unparalleled analogue and digital products made by musicians, for musicians. With our design centres in Italy, the Netherla
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TABLE OF CONTENTS 1. INTRODUCTION.....................................................................................................................................4 2. FEATURES.............................................................................................................................................4 3. CONTROL ELEMENTS..........................................................................................................................4 3.1 The Front Panel 3.2 The Rear Pa
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2 1 3 2 1 3 1 2 2 1 2 1 3 2 1 3 2 1 2 1 9. APPLICATION Total two optional modes: Please see following diagram for connecting the power amplifier into your audio system. 9.1 Stereo Mode In this mode, channel 1 and channel 2 operate independently (just as traditional input into channel 1 can be out- put from channel 1 only, similarly, the signal input into channel 2 can be output from channel 2 only. Input Input Connector Connector Balanced + GND 1 3 2 INPUT Channel 1 MODEL SERIAL Apparaten skall
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- Hum Cancel (ON/OFF) Select "EDIT" using SELECT key. Then select "HUM CANCEL" using UP/DOWN keys, both the "HUM CANCEL" and "EDIT" indicators will light up. Press "ENTER" to set Hum Cancel function ON or OFF. Note: the HUM CANCEL indicator will be lighting all the time if you set this function ON, and it effects only on the selected channels. - Noise Gate (ON/OFF) Select "EDIT" using SELECT key. Then select "NOISE GATE" using UP/DOWN keys, both the "EDIT" and "NOISE GATE" indicators will light
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6. PARAMETER MENUS DESCRIPTION - HUM CANCEL: allows the modification of the dynamic NOTCH filter parameters. The graph included shows the filter response curve. - NOISE GATE: allows the modification of the noise gate parameters. The graph included shows the filter curve. - MULTICOMP: allows the modification of the multiband compressor parameters. The graphs below show the response curves of the two compressors. - DELAY: allows to apply a delay to each amplifier's channel, with the possibility to
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1>. With the DPA unit powered up and connected to your PC's serial port as described, run the PC Editor program by selecting the MAXI EOITOR icon in the Windows PROGRAMS menu. 2>. The PC Editor should now load. A welcome screen will appear. This closes after 5 seconds (or click on it). Select NEW from the FILE menu. A window will open showing several different model names, because the same software is used for some of our pro audio models. Select DPA amp and click OK. You will then be presented
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5.5 Help File The HELP file accessible from within the PC Editor will be updated as necessary. Since software updates after the printing of this manual may affect the instructions provided here, please check the Help File for any later remarks. 5.6 Introduction to the PC Editor When you launch the editor on your PC, you will see the opening screen following (later software versions may differ). Each of the numbered sections is explained in this page - just look for the number icons within the te
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8. CONNECTIONS The following diagrams show the schemes of the recommended cables and some connection examples referred to various system configurations. Inputs A & B, RS485 IN 1 GROUND 3 BALANCED XLR-M 2 HOT (+) COLD ( ) Inputs A & B SLEEVE GROUND TIP BALANCED JACK RING HOT (+) COLD ( ) Parsllel Output Connectors, RS485 OUT 2 HOT (+) 3 BALANCED XLR-F 1 GROUND COLD ( ) RS232 PIN 5 PIN 3 PIN 2 RS232 (9Pin-F) (TXD) PIN2 PIN 3(RXD) (RXD) PIN3 PIN 2(TXD) (GND) PIN5 PIN 5(GND) 9 PIN 9 PIN The wire mus
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channel 1 or 2 will be output from both channel 1 and 2 simultaneously. Details refer to the chapter 9. - Bridge Mode In this mode, the signal input into channel 1 will be output from the bridged end, on the other hand, the output level control of channel 2 should be turned down to smallest.Details refer to the chapter 9. 18. RS485 IN The function of the RS485 IN is opposite to RS85 OUT. It allows incoming communication between a DPA2500 /4000 stereo amplifier and PC or another DPA6000 stereo am
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10. TECHNICAL SPECIFICATIONS MODEL DPA6000 40 Bit DSP Enhanced Stereo Amplifier 20Hz 20KHz@0.1% THD, Stereo Mode 8 ohms per channel(EIAJ) 1070W 4 ohms per channel(EIAJ) 1500W Bridge Mono Mode 8 ohms, 1KHz, 0.1%THD 3000W Distortion (SMPTE-IM) <0.05% Frequency Response 20Hz-20KHz 1dB, -3dB points: 10Hz-60KHz Damping Factor, 1 kHz and below >400 at 8ohms Signal to Noise,20Hz-20KHz 110dB A weighted Voltage Gain 40x (31dB) Input Sensitivity @ 4 ohms 6Vrms 10Vrms (+22dB) Input Clipping 10K ohms unbala
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11. 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 wil
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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 NF02199-1.0
