Manual Nilfisk-ALTO DPA 2500

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  • Nilfisk-ALTO DPA 2500 - page 1

    40 BIT ENHANCED STEREO POWER AMPLIFIER DP A 2500/4000 User's Manual LTO R www .altoproaudio.com V ersion 1.0 September 2004 English ...

  • Nilfisk-ALTO DPA 2500 - page 2

    1 SAFETY RELA TED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol, wherever used, alerts you to the pre- sence of un-insulated and dangerous voltages with- in the product enclosure. These are voltages that may be sufficient to constitute the risk of electric shock or death. Protective Ground T erminal AC mains (Alternating Current) H ...

  • Nilfisk-ALTO DPA 2500 - page 3

    2 PREF ACE Dear Customer: For L TO AUDIO TEAM, music and audio are much more than a job, they are a passion and an obsession! By purchasing our L TO products you become the most important member of our L TO AUDIO TEAM. We would like to share with you our passion for what we design and we invite you to make suggestions, which will aid us in developi ...

  • Nilfisk-ALTO DPA 2500 - page 4

    T ABLE OF CONTENTS 1. INTRODUCTION .....................................................................................................................................4 2. FEA TURES .............................................................................................................................................4 3. CONTROL ELEMENTS .... ...

  • Nilfisk-ALTO DPA 2500 - page 5

    2. FEA TURE LIST Built in 40-bit digital effect processor . Remote control through PC link 1 factory preset and 32 user presets by large memory capacity Delay lines up to 582ms for each output User-controllable clip limiter . Stereo (dual channel), or bridge mono (bi-amp output) operation mode. Balanced XLR inputs/parallel outputs to ensure noisele ...

  • Nilfisk-ALTO DPA 2500 - page 6

    6. Level Control for Channels 1&2 These two controls are used to adjust output level of channel 1 and channel 2 respectively . 7. UP/DOWN Key This key is used to move inside the menus or to modify the parameter's value. 8. SELECT Key This key is used to select the menu that you wish to edit. 9. ENTER Key This key is used to edit or confirm ...

  • Nilfisk-ALTO DPA 2500 - page 7

    The fan can accelerate the flow of air to lower the temperature inside unit.The inside temperature determines the fan speed which controls the inside air flowing speed. 18. RS485 IN The function of the RS485 IN is opposite to RS85 OUT . It allows incoming communication between a DP A2500 /4000 stereo amplifier and PC or another DP A2500/4000 stereo ...

  • Nilfisk-ALTO DPA 2500 - page 8

    4.3 Channel Selection There are total 3 options available (CH1, CH2, CH1+CH2), you can apply these effect settings on either or channels. both selected Select "CHSEL" using SELECT key , the "CHSEL" indicator lights up and the last selected channel will be displayed. Use UP or DOWN key to select either or both channels. Press ENT ...

  • Nilfisk-ALTO DPA 2500 - page 9

    Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 POWER OUTPUTS CH1 1+ 1- POS NEG CH2 BRIDGE MONO CH2 2+ 2- POS NEG BRIDGE 1+ 2+ POS NEG CH2 1+ 1- POS NEG BREAKER INPUT INPUT TIP/PIN2 RING/PIN3 SLEEVE ...

  • Nilfisk-ALTO DPA 2500 - page 10

    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 DP A amp and click OK. Y ou will then be presented with 2 options NEW U ...

  • Nilfisk-ALTO DPA 2500 - page 11

    10 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 scr ...

  • Nilfisk-ALTO DPA 2500 - page 12

    11 6. P ARAMETER MENUS DESCRIPTION - HUM CANCEL: allows the modification of the dynamic NOTCH filter parameters. The graph included shows the filter response curve. - NOISE GA TE: allows the modification of the noise gate parameters. The graph included shows the filter curve. - MUL TICOMP: allows the modification of the multiband compressor paramet ...

  • Nilfisk-ALTO DPA 2500 - page 13

    12 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 3 1 2 GROUND HOT (+) COLD ( ) Inputs A & B GROUND HOT (+) COLD ( ) RING SLEEVE TIP BALANCED XLR-M BALANCED JACK RS232 RS232 (9-Pin) Parsllel Output Connectors, RS4 ...

  • Nilfisk-ALTO DPA 2500 - page 14

    Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 POWER OUTPUTS CH1 1+ 1- POS NEG CH2 BRIDGE MONO CH2 2+ 2- POS NEG BRIDGE 1+ 2+ POS NEG CH2 1+ 1- POS NEG BREAKER INPUT INPUT TIP/PIN 2 RING/PIN 3 SLEE ...

  • Nilfisk-ALTO DPA 2500 - page 15

    Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 POWER OUTPUTS CH1 1+ 1- POS NEG CH2 BRIDGE MONO CH2 2+ 2- POS NEG BRIDGE 1+ 2+ POS NEG CH2 1+ 1- POS NEG BREAKER INPUT INPUT TIP/PIN 2 RING/PIN 3 SLEE ...

  • Nilfisk-ALTO DPA 2500 - page 16

    15 Input Connector Input Connector + + 1 2 3 GND INPUT Balanced Channel 2 Channel 1 Channel 2 MODE Release this button Input Connector Input Connector 1 2 3 GND INPUT + + Balanced Channel 2 Channel 1 Channel 1 MODE Release this button Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMI ...

  • Nilfisk-ALTO DPA 2500 - page 17

    Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 POWER OUTPUTS CH1 1+ 1- POS NEG CH2 BRIDGE MONO CH2 2+ 2- POS NEG BRIDGE 1+ 2+ POS NEG CH2 1+ 1- POS NEG BREAKER INPUT INPUT TIP/PIN 2 RING/PIN 3 SLEE ...

  • Nilfisk-ALTO DPA 2500 - page 18

    17 10. TECHNICAL SPECIFICA TIONS MODEL 8 ohms per channel(EIAJ) 4 ohms per channel(EIAJ) 8 ohms, 1KHz, 0.1%THD Bridge Mono Mode Distortion (SMPTE-IM) Frequency Response Damping Factor , 1 kHz and below Signal to Noise,20Hz-20KHz V oltage Gain Input Sensitivity @ 4 ohms Input Clipping Input Impedance Controls DP A2500/4000 40 Bit DSP Enhanced Stereo ...

  • Nilfisk-ALTO DPA 2500 - page 19

    18 1 1. W ARRANTY 1. W ARRANTY REGISTRA TION CARD T o obtain Warranty Service, the buyer should first fill out and return the enclosed W arranty Registration Card within 10 days of the Purchase Date. All the information presented in this W arranty Registration Card gives the manufacturer a better understanding of the sales status, so as to purport ...

  • Nilfisk-ALTO DPA 2500 - page 20

    NF 01663-1.0 SEKAKU ELECTRON INDUSTR Y (H.K.) CO. L TD. No.1, Lane 17, Sec. 2, Han Shi West Road, T aichung, 401 T AIW AN http://www .altoproaudio.com T el:886-4-22313737 email: alto@altoproaudio.com Fax:886-4-22346757 All rights reserved to AL TO. All features and content might be changed prior notice. Any photocopy , translation, or reproduction ...

Manufacturer Nilfisk-ALTO Category Stereo Amplifier

Documents that we receive from a manufacturer of a Nilfisk-ALTO DPA 2500 can be divided into several groups. They are, among others:
- Nilfisk-ALTO technical drawings
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Nilfisk-ALTO DPA 2500.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Nilfisk-ALTO DPA 2500, service manual, brief instructions and user manuals Nilfisk-ALTO DPA 2500. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Nilfisk-ALTO DPA 2500.

A complete manual for the device Nilfisk-ALTO DPA 2500, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Nilfisk-ALTO DPA 2500 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Nilfisk-ALTO DPA 2500.

A complete Nilfisk-ALTO manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Nilfisk-ALTO DPA 2500 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Nilfisk-ALTO DPA 2500, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Nilfisk-ALTO DPA 2500, that we can find in the current document
3. Tips how to use the basic functions of the device Nilfisk-ALTO DPA 2500 - which should help us in our first steps of using Nilfisk-ALTO DPA 2500
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Nilfisk-ALTO DPA 2500
5. FAQ - Frequently Asked Questions
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