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Digital Audio Labs POWERSHAPE PS-2.1 User Manual

Class d amplifier with dsp
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POWERSHAPE™ PS-2.1
Class D Amplifier with DSP
User Manual Version 1.2
11/19/2013
DIGITAL AUDIO LABS - 1266 Park Road - Chanhassen, MN 55317
support@digitalaudio.com (952) 401-7700
www.digitalaudio.com

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  • Page 1 POWERSHAPE™ PS-2.1 Class D Amplifier with DSP User Manual Version 1.2 11/19/2013 DIGITAL AUDIO LABS - 1266 Park Road - Chanhassen, MN 55317 support@digitalaudio.com (952) 401-7700 www.digitalaudio.com...
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  • Page 3: Table Of Contents

    IMPORTANT SAFETY INSTRUCTIONS! WHAT’S IN THE BOX! CONNECTIONS! FRONT PANEL! REAR PANEL! INSTALLATION ! GENERAL INSTRUCTIONS! TERMINAL BLOCK WIRING! BLOCK DIAGRAM! INPUT CONFIGURATION! OUTPUT CONFIGURATION! CROSSOVER! COMPRESSOR! STEREO ENHANCEMENT! MASTER OUTPUT VOLUME! CONTROL AND SETUP OPTIONS! USB! RS-232! ETHERNET! INFRARED (IR)! PRESETS! POWER SAVE MODE! SOFTWARE CONFIGURATION!

  • Page 4: Important Safety Instructions

    There are no user serviceable components inside the product. Precautions: POWER CORD NOTICE FOR INTERNATIONAL OPERATION - Please call Digital Audio Labs Support at (952) 471-7700. Power – WARNING, BEFORE TURNING ON THE POWER FOR THE FIRST TIME, READ THE FOLLOWING SECTION CAREFULLY.

  • Page 5: What's In The Box

    WHAT’S IN THE BOX 1. PowerShape 2.1 - Class D Amplifier with DSP 2. Power Supply (24VDC 2.5A) 3. IEC Power Cable (6’ Length) 4. USB Cable (6’ Length) 5. Quick Start Guide Visit www.digitalaudio.com/powershape for the latest PowerShape 2.1 configuration software and documentation.

  • Page 6: Connections

    CONNECTIONS FRONT PANEL 1 - Power Indicator 2 - USB REAR PANEL 1 - 24VDC Power Input 5 - Digital Optical Input (Stereo) 2 - Subwoofer Output 6 - RS-232 3 - Speaker Outputs (Left/Right) 7 - Digital Coax Input (Stereo) 4 - Ethernet 8 - Analog Inputs (Stereo)

  • Page 7: Installation

    INSTALLATION There are two factory presets for quick setup: Conference/Classroom #1 & #2.

  • Page 8: General Instructions

    GENERAL INSTRUCTIONS • Review safety warnings on page 4 before preceding. • Use only the included 24VDC power supply and power cable. • Surge protector or power conditioner recommended. • Leave adequate space on rear and sides for proper ventilation. •...

  • Page 9: Terminal Block Wiring

    TERMINAL BLOCK WIRING A full set of terminal block connectors is included. General instructions for terminal block connectors: Strip the wire 1⁄4 inch (6 mm) and connect to the plugs as shown. Be sure to tighten the screws with a flathead screw driver. SPEAKER OUTPUT Connector Part Number: OSTTJ020150...

  • Page 10: Block Diagram

    BLOCK DIAGRAM...

  • Page 11: Input Configuration

    INPUT CONFIGURATION The PowerShape 2.1 offers both stereo analog and stereo digital inputs. • Analog Input -10dBV (RCA style connectors) • Digital Input (S/PDIF Coax or Toslink Optical, only one active at a time) All inputs in the system offer channel specific volume offsets that can be adjusted from -64.0dB to 0.0dB in 0.5dB steps (note: 0.0dB is full volume).

  • Page 12: Output Configuration

    OUTPUT CONFIGURATION The PowerShape 2.1 provides Left, Right and Sub speaker level, terminal block outputs. A wide range of volume and processing controls are available to tune the system. EQ BAND FILTER TYPE FREQUENCY A stereo 5-Band parametric EQ is available on the master output.

  • Page 13: Stereo Enhancement

    STEREO ENHANCEMENT A stereo enhancement features is available on the master output. Use this control to increase the stereo image of your system when speaker placement is close or a wider stereo field is desired. When this feature is configured to mono, a uniform input is distributed to all outputs, perfect for multi-zone installations requiring the same signal in different zones.

  • Page 14: Control And Setup Options

    CONTROL AND SETUP OPTIONS The PowerShape 2.1 offers several control options including USB, RS-232, Ethernet and Infrared. If this is your first time using this device it is recommended that you download the latest PowerShape 2.1 configuration software from www.digitalaudio.com/powershape and connect via USB to access the real time controls of the PS-2.1.

  • Page 15: Software Configuration

    SOFTWARE CONFIGURATION The PowerShape 2.1 configuration software provides real time control of all audio and control parameters. Most editable parameters are presented on a single screen for quick, intuitive access. The application can be run in standalone mode without a PS-2.1, or it can control a PS-2.1 via USB, Serial (RS-232) or Network (Ethernet). The latest version of this software is available at www.digitalaudio.com/powershape.

  • Page 16: Serial (Rs-232) Configuration

    SERIAL (RS-232) CONFIGURATION Additional serial port configuration settings are located within the Communication section of the menu bar. Serial settings can be configured in this box. NETWORK (ETHERNET) CONFIGURATION Additional network port configuration settings are located within the Communication section of the menu bar. Network settings can be configured in this box.

  • Page 17: User Maintenance

    USER MAINTENANCE ENVIRONMENTAL CONSIDERATIONS The biggest factor in the lifetime of any electronic device is excess heat. The PowerShape 2.1 is designed to handle any of the heat produced internally, but external sources of heat should be taken into account when installing the PS-2.1.

  • Page 18: Warranty And Service

    Some states do not allow time limitations on implied warranties, so this limitation may not apply to you. Digital Audio Labs' liability is limited to the repair or replacement of its product. Digital Audio Labs shall in no way be held liable for incidental or consequential damages resulting from the use of their product or its software, including, without limitation, damages from loss of business profits, business interruption, loss of business...

  • Page 19: Technical Specifications

    TECHNICAL SPECIFICATIONS POWERSHAPE™ PS-2.1 Parameter Specification Notes Speaker Outputs Frequency Response 20Hz to 20kHz +0, -3dB Dynamic Range >90 dB A-weighted, typical HF Output Power (2) 20 Watts 4-8 Ω Stereo Sub Output Power (1) 25 Watts 4-8 Ω Stereo HF THD+N 0.16%* 20 watts into 8Ω, 20-20kHz...

  • Page 20: Appendix

    APPENDIX PROGRAMMER’S GUIDE The PowerShape 2.1 amplifier can be remotely operated by control and automation systems, such as those manufactured by Crestron and AMX. One RS-232 serial port and one Ethernet network port (Telnet protocol, single client) are provided. RS-232 Serial Port The RS-232 serial port is a DE-9F connector, configured as DCE.
  • Page 21 The network port supports IPv4. The network port's IP address can assigned dynamically by a DHCP or BOOTP server, assigned dynamically using 169.254.xxx.yyy link-local addressing (AutoIP / RFC 3927) when there is no DHCP or BOOTP server available (not recommended), or configured statically. Selection of dynamic vs. static IP assignment and configuration of static IP, subnet mask and gateway IP addresses can be done with either the PC GUI or with program commands.
  • Page 22 Program Command / Response Protocol Both the serial and network ports use the same command/response protocol. All commands and responses are composed of 7- bit ASCII characters. Both commands and responses start with an equals sign ('=') and end with an exclamation point ('!'). There are two commands, “get”...
  • Page 23 Parameter Item Names Version and status information. All items in this section are valid only for a get command. get boot firmware version number: verboot The value returned is the juxtaposition of the major and minor version numbers. The lower 3 digits are the minor version number (typically 2 digits, but expanded to 3 digits when 100 or above), and the remaining upper digits are the major version number.
  • Page 24 Input channel controls. get or set digital input volume: iv0 get or set analog input volume: iv1 The value indicates the input volume level, in ½ dB steps. The input volume is an integer between -128 and 0 (-64.0 dBFS to 0 dBFS). A volume of -64.0 dBFS mutes the input, and a volume of 0 dBFS is full volume (unity gain). The input volume is a digital volume adjustment that occurs in the DSP.
  • Page 25 Output channel controls. get or set output volume: ov The value indicates the output volume level, in ½ dB steps. The output volume is an integer between -128 and 48 (-64.0 dB to +24 dB). A volume of -64.0 dB mutes the output. The output volume adjustment occurs in the digital amplifier.
  • Page 26 get or set output EQ frequency for bass EQ band (low shelving): eqf0 get or set output EQ frequency for mid 1 EQ band (peak/dip EQ): eqf1 get or set output EQ frequency for mid 2 EQ band (peak/dip EQ): eqf2 get or set output EQ frequency for mid 3 EQ band (peak/dip EQ): eqf3 get or set output EQ frequency for treble EQ band (high shelving): eqf4 The value indicates the frequency, in Hz, for the specified EQ band.
  • Page 27 get or set output compressor's threshold: cpthr The value indicates the threshold setting for the output compressor, in ½ dB steps. The threshold is an integer between -128 and 0 (-64.0 dBFS to 0.0 dBFS). A threshold of 0.0 dBFS results in no compression. Example: set compressor threshold to -6.0 dBFS =scpthr:-12!
  • Page 28 get or set left/right output crossover filter type: xomtype get or set subwoofer output crossover filter type: xostype The value indicates the specified output's crossover filter type and is an unsigned integer value between 0 and 3. 0 = none (crossover disabled) 1 = Butterworth 2 = Linkwitz-Riley 3 = Bessel...
  • Page 29 System / configuration controls. load preset (valid for set only): lprs The value is the factory or user preset number from which a saved configuration will be loaded into the amplifier. The preset number is an unsigned integer value, and is between 1 and 4 for user presets or between 11 and 13 for factory presets.
  • Page 30 get or set sleep threshold: sleepthr The value is the audio level below which the amplifier will be considered “idle”. When idle, the amplifier will be put into “sleep” mode after the specified delay time. The value is a signed integer between -80 and -30 (-80.0 dBFS to -30.0 dBFS).
  • Page 31 get or set network port subnet mask: netsubm The value is the subnet mask to be used when static IP address assignment is selected. The value is a valid IP subnet mask (e.g., 255.255.255.0). If dynamic IP address assignment is used, the subnet mask should be set to 0.0.0.0. Changes to the network port static subnet mask take effect the next time the amplifier is powered on or rebooted.
  • Page 32 get assigned gateway address (valid for get only): netasggw The value returned is the gateway address assigned to the network port. Example response: assigned gateway addressis 192.168.1.1 =snetasggw:192.168.1.1! get network port MAC address (valid for get only): netmacaddr The value returned is the MAC address assigned to the network port. Example response: MAC address is 11:22:33:44:55:66 =snetmacaddr:11:22:33:44:55:66!
  • Page 33 VU meter controls. When enabled, VU reports are sent automatically at approximately the requested rate in the same format as responses to a “get” command. VUs appear in a “vu” response. The value is a 4-character string. Each character is one of: 0123456789ABCDEFG.

  • Page 34: Quick Reference Guide

    Quick Reference Guide Version and status information. All items in this section are valid only for a get command. get boot firmware version number: verboot get main CPU firmware version number: vercpu get DSP1 firmware version number: verdsp1 get DSP2 firmware version number: verdsp2 get all configuration settings: all Input channel controls.
  • Page 35 get or set sleep threshold: sleepthr get or set serial port baud rate: serbaud get or set serial port data format: serfmt get or set network port IP address: netip get or set network port subnet mask: netsubm get or set network port gateway IP address: netgw get or set network port Telnet port number: netport get assigned IP address (valid for get only): netasgip get assigned subnet mask (valid for get only): netasgsubm...
  • Page 36 Alphabetic Command Reference all: get all configuration settings cpatt: get or set output compressor's attack time cpmak: get or set output compressor's make-up volume cprat: get or set output compressor's compression ratio cprel: get or set output compressor's release time cpthr: get or set output compressor's threshold dienab: get or set digital input enable mask eq0: get or set output EQ boost/cut for bass EQ band...

  • Page 37: Troubleshooting

    TROUBLESHOOTING PROBLEM VERIFY THAT... No Power AC mains cord is properly inserted into a 100-240VAC receptacle and the external power supply   DC jack (2.1mm barrel) is properly inserted into the PS-2.1 power connector No Sound Analog and/or digital input cabling is terminated correctly and the audio source is functioning properly  ...
  • Page 38 All specifications subject to change without notification. © Copyright 2013 Digital Audio Labs, All Rights Reserved...

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