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Stage Accompany DS50 User Manual All Efforts Have Been Made To Offer A

Digital ds50 series digital power amplifier
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DS50 USER MANUAL
R
stage accompany
DIGITAL SERIES DS50
Digital Power Amplifier
User Manual

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  • Page 1 DS50 USER MANUAL stage accompany DIGITAL SERIES DS50 Digital Power Amplifier User Manual...
  • Page 2 First printing, May 2012 Printed in The Netherlands This manual is intended to provide information about the Stage Accompany DS50. Every effort has been made to make this manual complete and as accurate as possible. However no warranty of suitability, purpose, or fitness is implied. The information is provided on an “as-is”...
  • Page 3 DS50 USER MANUAL stage accompany Table of Contents Quick Introduction to the DS50 Introduction Connections Operation StageControl Recommendations Technical Specifications Warranty Overview...

  • Page 4: Table Of Contents

    Table Of Contents Quick Introduction to the DS50 ....... . .
  • Page 5 DS50 USER MANUAL stage accompany System Menu ..........

  • Page 6: Introduction

    Thank you for choosing a Stage Accompany Power Amplifier. Making this choice has guaran- teed you many years of troublefree amplification. If you have to start usin g the DS50 straight away and do not have the time to read the complete manual, make sure that you at least read the following: •...
  • Page 7 With an input impedance of 25 kohms, it is posible to connect a maximum of 30 DS50 amplifiers to a 600 ohms source like a mixing console. If more than 30 units need to be connected to a single source, a seperate signal driver must be used.
  • Page 8 100 A is limited to a safe value. However, take care not to switch on too many DS50 amplifiers at the same time, or you risk that the main fuses of your distribution may trip.

  • Page 9: Mains Power Connection

    Always ensure that you use a correctly grounded power supply. If more than one DS50 is to be used, it is advisable to connect each one separately to the nearest mains supply in stead of connecting several DS50s using an adapter block (see figure 3-1).
  • Page 10 Warning : Always disconnect the DS50 from the power supply before operating on the fuse holders! Replace a blown fuse only with a new one of the same type and value! Current Table Below, the current consumption of the DS50 is tabulated for two selectable mains voltages.
  • Page 11 DS50 USER MANUAL stage accompany G * 45 Maximum Length (ML) = The two input variables are: number of DS50s supplied through the cable cable gauge in square millimeters For 110-120 V models the following formula applies: G * 11.25...

  • Page 12: Audio Connections

    Maximum cable length as a function of the cable gauge and the number of DS50s supplied through the cable. Audio Connections The XLR connectors (analog audio, AES/EBU in and link) of the DS50 are wired as follows: Pin 1 = shield Pin 2 = normal phase (signal+ or “hot”) Pin 3 = inverted phase (signal- or “cold”)

  • Page 13: Loudspeaker Connections

    DS50 USER MANUAL stage accompany Loudspeaker Connections Due to the DDC feature, the DS50 has 4 output terminals per channel instead of 2. The speakon connector is wired as follows: Pin 1+ = “hot” or Signal+ Pin 1- = “cold” or Signal- Pin 2+ = “DDC hot”...
  • Page 14 SPEAKON NL4FC Figure 3-4 DS50 loudspeaker connection without DDC Warning ! Never short-circuit the DDC terminals, and never connect the signal+ output terminal to the DDC- terminal or vice versa (see figure 3-5). Since you are disabling the amplifier’s feedback network, signal gain will be almost infinite.
  • Page 15 When more speakers are going to be connected to one amplifier, split the output and DDC leads as soon as possible behind the output terminals of the DS50 (see figure 3-7 on this and figure 3-8 on the next page).
  • Page 16 SPEAKON NL4FC Figure 3-8 Correct way of connecting several enclosures to the DS50 The amplifier can cope with any load of 2 ohms or higher. This means that you may connect a maximum of two 4 ohms, four 8 ohms or eight 16 ohms loudspeakers per channel in parallel.
  • Page 17 DS50 USER MANUAL stage accompany An indication of the proportional cable power loss (percentage of the amplifier’s total output power) can be calculated using the following formula: Proportional Power Loss = 29.4 * G * R where the variables represent:...
  • Page 18 3-10 DS50 USER MANUAL stage accompany Cable Gauge (mm 8Ω 10.0 16.0 Cable Length 10.2 12.4 22.1 14.5 12.4 Table 3-5 Proportional power loss as a function of loudspeaker cable gauge and cable length (%). Cable Gauge (mm 4Ω 10.0 16.0...

  • Page 19: Operation

    4 Operation The DSP (loudspeaker management) part of the DS50 offers a wide range of tools for sound system design and setup. These tools can make your system more efficient and better sounding, but to get the best possible sound it is important to use these tools properly. The following section explains the various functions of the DS50.

  • Page 20: Gain

    EXIT 4.2.2 Input Selection The DS50 inputs are fixed. Input 1 is routed from the analog XLR-input of channel 1, channel 2 is routed from the analog XLR-input of channel 2, channel 3 and 4 are routed from the digital AES/EBU XLR-input on the backside of the DS50.

  • Page 21: High Pass Filter

    DS50 USER MANUAL stage accompany 4.2.5 High Pass Filter Adjust the High Pass Filter frequency by turning the rotary encoder. You can switch the high pass filter off by turning the rotary encoder down (counterclockwise) until the frequency passes 20Hz.

  • Page 22: Compressor

    DS50 USER MANUAL stage accompany 4.2.7 Compressor The Compressor is a true RMS compressor. Turn the rotary encoder to set the threshold. Press the rotary encoder to select the parameters. The available parameters are: Threshold, Attack, Hold, Release, Ratio and Makeup Gain.

  • Page 23: Output Setup

    Set the delay time by turning the encoder. The delay time on the front will be shown in ms, by controlling the DS50 with StageControl the displayed unit can be changed between ms or s, mm or m, feet, inches, or mils.

  • Page 24: Parametric Equalizer (Peq)

    DS50 USER MANUAL stage accompany 4.3.4 High Pass Filter Adjust the High Pass Filter frequency by turning the rotary encoder. You can switch the high pass filter off by turning the rotary encoder down (counterclockwise) until the frequency passes 20Hz.

  • Page 25: Limiter

    DS50 USER MANUAL stage accompany 4.3.6 Compressor The Compressor is a true RMS compressor. Turn the rotary encoder to set the threshold. Press the rotary encoder to select the parameters. The available parameters are: Threshold, Attack, Hold, Release, Ratio and Makeup Gain.

  • Page 26: Channel Link

    DS50 USER MANUAL stage accompany 4.3.9 Channel Link By linking 2 channels, the settings are guaranteed to be identical for both channels, except for mixer and mute. Turn the encoder to set the Channel link on or off. MENU MENU...

  • Page 27: Access Level

    The default password is “SA“. To lock the DS50 control panel Press the MENU button for 3 times, and the display wil show Acces level: Unlocked. Rotate the SELECT button (encoder) clockwise to Locked and press the SELECT button.

  • Page 28: Stagecontrol

    This document describes how to install and use the StageControl software on your computer for the Stage Accompany Digital Series amps. Installing StageControl gives you the possibility to remotely setup, monitor and update (firmware) your SA amp(s) from the Digital Series through USB or internet.
  • Page 29 Series amps will be installed, as well as factory preset files (if applicable). After installation start the software by double-clicking the desktop icon, or by selecting: Start – Programs – Stage Accompany – StageControl. MAC OS X: Download the installatio n package from o ur website and open it.
  • Page 30 SA Digital Series amp. To configure or monitor your SA Digital Series amp(s) you do the following; Double-click the Stage Accompany StageControl configuration icon on your desktop to start the software. If no SA Digital Series amps are discovered during start-up the screen looks like the figure below.
  • Page 31 DS50 USER MANUAL stage accompany Quick configuration If you have to start configuring your SA Digital Series amp(s) straight away and do not have time to read the comp lete manual, make sure that you at least read the following;...
  • Page 32 DS50 USER MANUAL stage accompany X-over Window X-over tab: clicking on this tab will open the cross-over window. High Pass Filter slope and frequency fields: you can enter the desired high pass filter fre- frequency here and choose the slope. The filter types that can be chosen are Butterworth, Bessel and Linkwitz Riley.
  • Page 33 DS50 USER MANUAL stage accompany Input Window Input tab: clicking o n this tab will open the input p rocessing window PEQ on/off button: clicking these buttons enable the corresponding parametric equalizer (PEQ). When a PEQ is enabled the corresponding button lights up.
  • Page 34 DS50 USER MANUAL stage accompany Output Window Output tab: clicking on this tab will open the output processing window. Mixer: the ratio of each available input that is ro u ted to the output. Invert button: clicking this buttons inverts the si g nal to the output.
  • Page 35 An .iso CD image is also available at our website, the CD image contains all latest versions (Windows and Mac) of StageControl, as well supporting documentation and an Autostart feature with automatic 32/64-bit system detection. http://www.stageaccompany.com/support/downloadnew/stage_co ntrol.iso Please visit our website for more detailed information about the Stage Accompany Digital Series amplifiers. http://www.stageaccompany.com/products/electro nics/electro nics.html...

  • Page 36: Recommendations For Optimum Use

    In addition, good earthing is necessary to prevent noise, hum and safety problems. Be sure that the DS50 is built into a space with sufficient circulation of fresh air. A tem- perature that is constantly too high leads to switching on and off of the thermal protec- tion and considerably reducing the lifetime of the amplifier.

  • Page 37: Technical Specifications

    DS50 USER MANUAL stage accompany 7 Technical Specifications : 92% @ full power Efficiency : +23dBu Input Max input level : 25k Ω Frequency impedance : 10Hz – 40kHz Gain range (@ 100W into 8 Ω) 34dB : > 90dB @ 1kHz Channel separation : 0.05% 20Hz –...

  • Page 38: Warranty

    The warranty period on all Stage Accompany products is five years from the date of the first consumer purchase, with the exception of: •...
  • Page 39 Stage Accompany will pay for all labour and material expenses for all repairs covered by the warranty. Stage accompany will not pay for the costs of ship- ment to the service centre or factory. However, Stage Accompany will pay for the costs of return shipment to the customer if repairs are covered by warranty.

  • Page 40: Overview

    DS50 USER MANUAL stage accompany 9 Overview 9 10 11 12 13 14 15 16 18 19 20 21 22 23 Function Button “MENU“ Function Button “EXIT“ LCD Display Rotary Encoder / Function “Button Select“ Power Switch Power Amp On, Signal and Clip LEDs (Channel 1)

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