thomann DSP 26 User Manual
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thomann DSP 26 User Manual

Digital speaker management system
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Summary of Contents for thomann DSP 26

  • Page 1 DSP 26 digital speaker management system user manual...
  • Page 2 Musikhaus Thomann Thomann GmbH Hans-Thomann-Straße 1 96138 Burgebrach Germany Telephone: +49 (0) 9546 9223-0 E-mail: info@thomann.de Internet: www.thomann.de 30.01.2017, ID: 341074...

  • Page 3: Table Of Contents

    Installation and starting up........................ 15 Connections and controls........................16 Operating..............................21 6.1 UTILITY menu............................ 22 6.2 INPUT A/B menu..........................34 6.3 OUTPUT 1/2/3/4/5/6 menu......................38 6.4 Channel linkage..........................45 6.5 Reset to factory defaults........................ 46 Technical specifications........................47 DSP 26...
  • Page 4 Table of contents Plug and connection assignment....................49 Cleaning............................... 51 Protecting the environment......................52 digital speaker management system...

  • Page 5: General Notes

    If you sell the unit please make sure that the buyer also receives this manual. Our products are subject to a process of continuous development. Thus, they are subject to change. DSP 26...

  • Page 6: Further Information

    General notes 1.1 Further information On our website (www.thomann.de) you will find lots of further information and details on the following points: Download This manual is also available as PDF file for you to download. Use the search function in the electronic version to find the topics of Keyword search interest for you quickly.

  • Page 7: Notational Conventions

    References to other locations in this manual are identified by an arrow and the specified page number. In the electronic version of the manual, you can click the cross-reference to jump to the specified location. Example: See Ä ‘Cross-references’ on page 7. DSP 26...

  • Page 8: Symbols And Signal Words

    General notes 1.3 Symbols and signal words In this section you will find an overview of the meaning of symbols and signal words that are used in this manual. Signal word Meaning DANGER! This combination of symbol and signal word indicates an immediate dangerous situation that will result in death or serious injury if it is not avoided.
  • Page 9 General notes Warning signs Type of danger Warning – high-voltage. Warning – danger zone. DSP 26...

  • Page 10: Safety Notes

    Safety notes Safety notes Intended use This device serves sound control and distribution of incoming audio signals to the connected speakers. Use the device only as described in this user manual. Any other use or use under other operating conditions is considered to be improper and may result in personal injury or property damage.
  • Page 11 Always use proper ready-made insulated mains cabling (power cord) with a pro‐ tective contact plug. Do not modify the mains cable or the plug. Failure to do so could result in electric shock/death or fire. If in doubt, seek advice from a regis‐ tered electrician. DSP 26...
  • Page 12 Safety notes CAUTION! Possible hearing damage With loudspeakers or headphones connected, the device can produce volume levels that may cause temporary or permanent hearing impairment. Do not operate the device permanently at a high volume level. Decrease the volume level immediately if you experience ringing in your ears or hearing impairment.
  • Page 13 Failure to do so could result in damage to the device and possibly injure the user. Unplug the device before electrical storms occur and when it is unused for long periods of time to reduce the risk of electric shock or fire. DSP 26...

  • Page 14: Features

    Features Features Two input channels Six output channels Digital 24-bit signal processors RS485 interface USB port Suitable for installation in 19-inch racks (1 RU) digital speaker management system...

  • Page 15: Installation And Starting Up

    Establish all connections as long as the unit is switched off. Use the shortest possible high- quality cables for all connections. Rack mounting The unit has been designed for rack mounting in a standard 19-inch rack; it occupies one rack unit. DSP 26...

  • Page 16: Connections And Controls

    Connections and controls Connections and controls Front panel digital speaker management system...
  • Page 17 Rotary switch for setting of values in submenus. 5 [ENTER] Button to confirm changes and input values. 6 [ESC] Button to exit an open menu or a menu function. 7 [UTILITY] Button to open the menu for setting the device parameters. DSP 26...
  • Page 18 Connections and controls 8 LED display input channel A / B The LEDs show the level of the input signal. [A], [B] Briefly pressing the button activates the edit mode for the input channel A and/or B, and the corresponding [EDIT] LED lights up blue.
  • Page 19 Connections and controls Rear panel DSP 26...
  • Page 20 Connections and controls 11 Mains switch to turn the device on and off. 12 IEC chassis plug with fuse holder for the power supply. 13 [MAIN | LIFT | GND] Switch to disconnect the signal ground from the chassis ground to avoid hum loops. 14 [RS485 OUT | IN] RS485 interface with output for looping through the signal to other devices.

  • Page 21: Operating

    When the device is switched on, the model name, the start-up status, and the last active oper‐ ating mode (default: ‘2×3 WAY X-OVER’ ) appear one after another in the display. Afterwards, there is the option to activate a desired operating mode or to adjust the device settings. DSP 26...

  • Page 22: Utility Menu

    Operating 6.1 UTILITY menu Press [UTILIY] to enter the ‘UTILITY’ menu. Select the required submenu with[NAV/PM1] and confirm with [ENTER]. Select the required option in the open submenu with[NAV/PM1] and confirm with [ENTER]. The selected menu item is marked with an asterisk (*). Adjust the settings with [PM2] or [PM3] and confirm by pressing [ENTER] to apply the new set‐...
  • Page 23 Operating UTILITY menu overview DSP 26...
  • Page 24 Operating "System Utilities" – "System This menu is used to select the operating mode. In the [UTILITY] menu, select the ‘System Setup" Utilities’ option and confirm with [ENTER]. Select the ‘System Setup’ menu item and confirm with [ENTER]. The active operating mode is shown on the display.
  • Page 25 This menu item is used to display the currently loaded software version. In the [UTILITY] menu, Version" select the ‘System Utilities’ option and confirm with [ENTER]. Select the ‘Software Version’ menu item and confirm with [ENTER]. The display shows the cur‐ rent software version DSP 26...
  • Page 26 Operating "Program Utilities" - "Recall a This menu is used to load stored configurations. A total of 24 storage locations are available for Program" configurations. In the [UTILITY] menu, select the ‘Program Utilities’ option and confirm with [ENTER]. Select the ‘Recall a Program’ menu item and confirm with [ENTER]. Select the required entry with [PM2] or [PM3] and confirm by pressing [ENTER] to apply the new setting.
  • Page 27 [NAV/PM1], for example to overwrite a character that has been entered incor‐ rectly. Use [ENTER] to confirm that the configuration is to be stored under the new name. Press [ESC] to cancel the operation at any time. DSP 26...
  • Page 28 Operating "Program Utilities" - "Delete a This menu is used to delete stored configurations. In the [UTILITY] menu, select the ‘Program Program" Utilities’ option and confirm with [ENTER]. Select the ‘Delete a Program’ menu item and confirm with [ENTER]. Highlight the configuration to be deleted with [PM2] or [PM3]. Confirm with [ENTER]. A corresponding confirmation prompt appears on the display.
  • Page 29 ‘USB’ - This selection establishes a connection to an external device via the USB interface. ‘RS485’ - This selection establishes a connection to an external device via the RS485 inter‐ face Pressing [ESC] exits the menu without applying changes. DSP 26...
  • Page 30 Operating "Security Utilities" - "Show This menu is used to define if the device parameters are displayed or hidden. Parameter" In the [UTILITY] menu, select the ‘Security Utilities’ option and confirm with [ENTER]. Select the ‘Show Parameter’ menu item and confirm with [ENTER]. The display shows the cur‐ rent setting.
  • Page 31 ‘Lock: Off’ - With this selection, all device parameters can be edited without entering a password. ‘Lock: On’ - With this selection, the device parameters can only be accessed after entering a valid password. Pressing [ESC] exits the menu without applying changes. DSP 26...
  • Page 32 Operating "Security Utilities" - "User Pass‐ This menu is used to set a password to control access to the different device parameters. word" In the [UTILITY] menu, select the ‘Security Utilities’ option and confirm with [ENTER]. Select the ‘User Password’ menu item and confirm with [ENTER]. The ‘Insert Password’ prompt appears on the display.
  • Page 33 ‘Password: Enable’ - With this selection, the device parameters can only be accessed after entering a valid password. ‘Password: Disable’ - With this selection, all device parameters can be edited without entering a password. Pressing [ESC] exits the menu without applying changes. DSP 26...

  • Page 34: Input A/B Menu

    Operating 6.2 INPUT A/B menu Press [A] or [B] to activate the edit mode for channel A or B and to open the ‘INPUT A/B’ menu. On the device, the [EDIT] display LED of the activated input channel A or B lights up blue. Press [ENTER].
  • Page 35 Operating INPUT A/B menu overview DSP 26...
  • Page 36 Operating "Gain" This menu is used to lower or raise the level of the input signal in a range of –12 dB to +12 dB. Press [A] or [B] to activate the edit mode for channel A or B and to open the ‘INPUT A/B’ menu. Use [PM2] or [PM3] to adjust the level of the input signal as required.
  • Page 37 Frequency range with [NAV/PM1], range ‘20 Hz’ … ‘20 kHz’ Quality with [PM2], range ‘Q=0.3’ … ‘Q=20’ + 15 dB’ Signal enhancement with [PM3], range ‘–15 dB’ … ‘ Press [ESC] to return to the filter bypass menu. Press [ENTER] to return to the filter selection. DSP 26...

  • Page 38: Output 1/2/3/4/5/6 Menu

    Operating 6.3 OUTPUT 1/2/3/4/5/6 menu Press [1], [2], [3], [4], [5] and/or [6], to activate the edit mode for channel 1, 2, 3, 4, 5 and/or 6 and open the ‘OUTPUT 1/2/3/4/5/6’ menu. On the device, the [EDIT] display LED of the acti‐ vated output channel lights up blue.
  • Page 39 Operating 1/2/3/4/5/6 menu overview DSP 26...
  • Page 40 Operating "HPF" This menu is used to activate a high-pass filter for all outputs. Press [1], [2], [3], [4], [5] and/or [6], to activate the editing mode for channel 1, 2, 3, 4, 5 and/or 6 and adjust the following parame‐ ters as required: Cutoff frequency with [PM2], range ‘20 Hz’...
  • Page 41 Bessel, 12 dB, display ‘Bessel 12dB’ – Butterworth, 18 dB, display ‘Butwrth 18dB’ – Butterworth, 24 dB, display ‘Butwrth 24dB’ – Linkwitz/Riley, 24 dB, display ‘Lnk/Ril 24dB’ – Bessel, 24 dB, display ‘Bessel 24dB’ Pressing [ESC] exits the menu without applying changes. DSP 26...
  • Page 42 Operating "EQ-X" This menu is used to activate five shelving filters/bell filters for all outputs. Press [1], [2], [3], [4], [5] and/or [6], to activate the edit mode for channel 1, 2, 3, 4, 5 and/or 6. Set the signal gain (Gain) to zero.
  • Page 43 [2], [3], [4], [5] and/or [6], to activate the edit mode for channel 1, 2, 3, 4, 5 and/or 6. Press [ENTER] and assign the required input to the active output with [PM2] or [PM3]. Pressing [ESC] exits the menu without applying changes. DSP 26...
  • Page 44 Operating "Gain" This menu is used to lower or raise the level of the output signal on a per channel basis in a range of –12 dB to +12 dB. Press [1], [2], [3], [4], [5] and/or [6], to activate the edit mode. Use [PM2] or [PM3] to adjust the level of the output signal as required.

  • Page 45: Channel Linkage

    Press [ENTER] and invert the active channel with [NAV/PM2] or [PM2] (Display ‘Normal’ or ‘Inverted’ ). Pressing [ESC] exits the menu without applying changes. 6.4 Channel linkage The device offers the option to freely link input and output channels, making it easier to edit the channel parameters. DSP 26...

  • Page 46: Reset To Factory Defaults

    Operating First edit an input or output channel as required, see Ä Chapter 6.1 ‘UTILITY menu’ on page 22, Ä Chapter 6.2 ‘INPUT A/B menu’ on page 34 and Ä Chapter 6.3 ‘OUTPUT 1/2/3/4/5/6 menu’ on page 38. Then press the [EDIT] button of all channels for which these settings are to be applied (blue LED is lit).

  • Page 47: Technical Specifications

    Total harmonic distortion (THD+N) Signal-to noise ratio (SNR) 110 dBA A/D converter, D/A converter 24 bit Sampling rate 48 kHz Digital S/PDIF stereo input 32 kHz, 44.1 kHz, 48 kHz Operating supply voltage 100 … 230 V 50/60 Hz DSP 26...
  • Page 48 Technical specifications Fuse 5 mm × 20 mm, 800 mA, 250 V, slow-blow Dimensions (W × D × H) 440 mm × 45 mm × 220 mm Weight 2.7 kg digital speaker management system...

  • Page 49: Plug And Connection Assignment

    In a professional environment, therefore, the balanced transmission is preferred, because this enables an undisturbed transmission of signals over long distances. In addition to the conduc‐ tors ‘Ground’ and ‘Signal’, in a balanced transmission a second core is added. This also transfers the signal, but phase-shifted by 180°. DSP 26...
  • Page 50 Plug and connection assignment Since the interference affects both cores equally, by subtracting the phase-shifted signals, the interfering signal is completely neutralized. The result is a pure signal without any noise inter‐ ference. XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) XLR plug (unbalanced) Ground, shielding...

  • Page 51: Cleaning

    The fan grids of the device must be cleaned on a regular basis to remove dust and dirt. Before cleaning, switch off the device and disconnect AC-powered devices from the mains. Use a lint- free damp cloth for cleaning. Never use solvents or alcohol for cleaning. DSP 26...

  • Page 52: Protecting The Environment

    Protecting the environment Protecting the environment Disposal of the packaging mate‐ rial For the transport and protective packaging, environmentally friendly materials have been chosen that can be supplied to normal recycling. Ensure that plastic bags, packaging, etc. are properly disposed of. Do not just dispose of these materials with your normal household waste, but make sure that they are collected for recycling.
  • Page 53 Notes DSP 26...
  • Page 54 Notes digital speaker management system...
  • Page 56 Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de...

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