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Users Manual
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Summary of Contents for MSB Technology DAC IV

  • Page 1 Warning! The DAC IV uses a high current power connector that requires a two step plug in. Push the connector firmly in about 1/4”, then push harder and it should snap in another 1/8”. When plugged in,...
  • Page 2: Setup And Quick Start

    The Volume Control Upgrade The DAC IV has one analog input with the option for a second, and many digital inputs. It is CD, DVD-A designed to be the last component in your system before the amplifiers. With its incredibly low...
  • Page 3 II Upgrade This option adds an iPod dock to the cover of the DAC IV. There are no setup options or controls. Plug in the iPod and press play. In addition, the square remote buttons can be used to control the iPod.
  • Page 4 53 ohms. Original Platinum DAC module First DAC III Diamond DAC Upgrade Here is the current Diamond DAC IV with MuMetal shielded DAC and Volume Control Modules. The individually shielded packages further reduce the noise floor. A large heat spreader is then applied over the DAC modules.
  • Page 5 The DAC STory elta igma ingle S work A “one bit” measuring cup is either Each sample or jug is 010010100011101000110110 full or empty. With 64 times over- A DAC is a circuit that converts filled to the right level digital measures of audio amplitude with many measuring sampling, the cup is only 1/64th...
  • Page 6: Special Features

    Custom MSB Digital Filter The loss in resolution is typically not apparent when The DAC IV has a custom DSP based Digital filter. The sine x function is using the best conventional digital filters with standard the ideal shape to apply to the audio filter task, but unfortunately to work DAC chips, but in combination with our high resolution perfectly it must sample an infinite number of samples.
  • Page 7 Digital Filter. This CD filter loading allows you to load almost any FIR filter quickly and easily. You may A clock header is a part of the DAC IV that will allow even more accurate also upgrade your MSB Digital Filter with the latest custom clocks to be installed as they become available.
  • Page 8: Loading New Firmware

    Loading New Firmware Loading custom Digital Filter Firmware will permanently change the operation of your DSP. MSB Technology can configure custom software for your DSP to meet virtually any requirement. Playing a CD track containing the new firmware will erase the current software in your Digital Filter and replace it with the contents of the update file.
  • Page 9: Connector Details

    MSB Network – The MSB Network uses CAT-6 cabling. It provides an input for use with other MSB products. It can handle 8 channels of data up to 384 kHz and 32 bits. The DAC IV can select which audio channels to decode.
  • Page 10 24 bit x 192 kHz sample rate file. They are .wav test files that when played, will be identified by the DAC IV and checked, and will be reported on the display if they are bit-perfect. If there is a problem with the test, it will play but the display will not indicate any change. Be sure upsampling is turned off in any transport as this prevents a file from remaining bit-perfect.
  • Page 11: Front Panel Controls

    DAC IV menus. See MENU below. Input – This button toggles directly through the inputs of the DAC IV even if the DAC is set to the auto mode. Menu – This is equivalent to pressing the menu button on the front panel and puts the DAC IV into the menu/ setup mode.
  • Page 12: Go To Next Page

    DAC IV Menu Tree Top level menus are for operational controls. Setup menus follow on the next pages. Press the menu button on either the front panel or remote. Navigate up and down the options with the front panel knob or the volume up down buttons on the remote.
  • Page 15: Setup Menu Options

    Operational Menu Options The high level menu options have to do with operation settings. They are things that you may want to change on the fly as you listen to different music or with different equipment. See the Menu tree for details. Upsampling on/off - Upsamples all incoming music to either 384 kHz or 352.8 kHz.
  • Page 16 Maximum Volume - This is the maximum volume setting that can be reached. Use this feature to protect your speakers. Fine Volume Steps - The basic DAC IV volume module has 2 db steps and this feature is not available. With the Signature and Diamond volume modules, this feature allow half or quarter db steps to be inserted between the standard 1 db steps.
  • Page 17 U p g r a d e s a n d Modifications Removal of the cover - Unplug the AC power. Work on a clean surface. Start by removing the 14 screws of the cover. Carefully remove and set aside the cover. Removal or Installation of the volume modules - The volume modules can be...
  • Page 18: Quality Check

    Using the DAC IV to test your source The DAC IV is unique in that gives you a precise read out of both the sample frequency and bit depth of the incoming signal as well as performing a test for bit perfect playback.

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