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   Summary of Contents for Wadia 581

  • Page 2: Table Of Contents

    Choosing a Digital Cable (Wadia 581i only) ........
  • Page 3: Brief History

    Thank You All of us at Wadia would like to offer thanks and congratulations to you for purchasing the Wadia 581 Disc Player. We sincerely believe that your Wadia 581 Disc Player will bring you many years of musical pleasure and satisfaction.
  • Page 4: Installation And Set-up

    With the unit still positioned on its side, screw one of the tip-toes into the bottom of each corner post. Position the Wadia 581 Disc Player where you would like it to reside in your system. We recommend choosing a solid, non-resonant, level surface for best performance.
  • Page 5: Connecting To Ac Power

    Wadia 581 Disc Player chassis, before connecting or removing a cable. It is unlikely that a static shock will damage the unit, but it may cause the Wadia 581 circuitry to “lock-up” (see Lock-Up under Trouble Shooting).
  • Page 6: Optimizing The Output Level

    Best performance is obtained when operating the Wadia Volume Control near the top of its range. If needed, the maximum output level of your Wadia 581 Disc Player can be adjusted to match the overall sensitivity of your system so that the critical listening will take place with the volume control operating near the top of its range.
  • Page 7: Frequently Asked Questions

    Should I leave the Wadia 581 Disc Player with the power on? The Wadia 581 Disc Player is designed to be left with the power on with no harm or wear to the unit. All motors and laser circuitry turn off when the unit stops playing. If desired, the front display can be turned off (see Turning off the Display under Remote Operation).
  • Page 8: General Operation

    Using the switch located directly above the AC power input, turn the switch to the ON position. Front Panel Controls The front panel of the Wadia 581 Disc Player features basic controls that allow you to operate basic functions without using the Remote Control.
  • Page 9: Display Features

    Volume Transport Functions Display Functions The Wadia 581 Disc Player features a large display screen. The top section shows the status of the transport. The bottom of the display indicates preamp functions, as described below. Turn-On Screen This screen is displayed each time the Wadia 581 Disc Player is powered-up. After five seconds, the display will change to the Input screen with internal transport selected, then change again to the Volume screen with the volume set to Zero.
  • Page 10 For example, pressing the balance controls on the remote control will switch the 581 Disc Player display to the Balance screen. After five seconds, the display will return to the Volume screen. Also, pressing the enter button will cause the display to change to the next screen. Repeatedly pressing the enter button will cause the display to continue to change to successive screens, as shown in the Menu Screen Map on page 15.
  • Page 11: Remote Control Operation

    Selecting an Input The Wadia 581i Disc Player has four digital inputs, plus the internal drive. Any of the inputs can be selected from the remote control by pressing the input button. Each time the input button is pressed, the next input is selected.
  • Page 12 Invert button on the remote control will cause the Wadia 581 to invert phase; pressing it again will switch the phase back to normal. If the Wadia 581 Disc Player is in Phase Invert mode, this will be indicated on the Input Screen of the display.
  • Page 13: Theory Of Operation

    CD Player with ClockLink The Wadia 581 Disc Player with its digital inputs and outputs can be used with a digital signal processor such as a digital equalizer. Digital processors allow the signal to be modified without adding analog noise and distortion.
  • Page 14 The Wadia 581i Disc Player has several features to prevent ClockLink from being engaged when it should not be. First, whenever the input signal is other than 44.1 kHz sampling frequency, the Wadia 581i Disc Player will automatically revert to recovered clock mode. Second, if the internal transport is not running, the Wadia 581i Disc Player will revert to recovered clock mode.
  • Page 15: Menu Screen Map

    Volume Screen Enter Balance Screen Enter Status Screen Enter Input Screen Enter Mute Enter Mute Enter Mute Enter Mute Enter Mute Enter Y+Enter N+Enter...
  • Page 16: Playback Options

    581 Disc Player Playback Options Time: This button switches between the various time modes on the display. Before play, the total time on the disc is shown. Once a disc starts to play the elapsed time of that track will be shown. Pressing the button on the remote control once will cause the display to indicate the remaining time in that track (remain).
  • Page 17: Digital Algorithms

    The three algorithms in the 581 Disc Player all upsample to 32x the input rate (at 24 bit/1.4112 MHz DAC sample rate), but differ in their time and frequency domain characteristics. They are: Algorithm A Digimaster v2.5.
  • Page 18: Appendices

    Appendices Enabling/Disabling Digital Outputs The Wadia 581i Disc Player is designed in such a way that the unused digital outputs can be disabled. This can result in slightly better overall performance. See your dealer for information about these internal adjustments.
  • Page 19: Technical Specifications

    One pair of Balanced (XLR); One pair of Unbalanced (RCA). Both can be used simultaneously Digital Outputs (Wadia 581i only) 1 - Glass Fiber-Optic (ST), 1 - AES/EBU (XLR), 1 - SP/DIF (BNC), 1 - Plastic Optical (Toslink) Digital Inputs (Wadia 581i only)

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