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Summary of Contents for Wadia 781I
- Page 1 Information&Operation Manual...
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Page 3: Table Of Contents
Connecting Digital Sources (Wadia 581ise/781i only) ........ -
Page 4: Wadia Digital - A Brief History
Thank You All of us at Wadia would like to offer thanks and congratulations to you for purchasing the Wadia 581se/781i CD Player. We sincerely believe that your Wadia 581se/781i CD Player will bring you many years of musical pleasure and satisfaction. -
Page 5: Installation And Set-Up
Installation and Set-up Unpacking Use care in unpacking your Wadia 581se/781i CD Player. Inspect it for any shipping damage and call your dealer immediately if any is found. Do not plug your Wadia 581se/781i CD Player into an AC outlet if you find shipping damage. -
Page 6: Connecting To Ac Power
Wadia 581se/781i CD 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 581se/781i CD Player circuitry to “lock-up” (see Lock-Up under Trouble Shooting). -
Page 7: Optimizing The Output Level
(Input 1: Glass-fiber optical, Input 2: Coaxial with BNC connector, Input 3: Plastic-optical TOSLINK, Input 4: AES/EBU with XLR connector) The Wadia 581ise/781i CD Player digital inputs will decode any word length up to 24-bit, and any of the standard digital audio sampling frequencies up to 96kHz. -
Page 8: Frequently Asked Questions
Should I leave the Wadia 581se/781i CD Player with the power on? The Wadia 581se/781i CD 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 9: 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 581se/781i CD Player features basic controls that allow you to operate basic functions without using the Remote Control. -
Page 10: Display Features
Volume Transport Functions Display Functions The Wadia 581se/781i CD 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 581se/781i CD 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 11 Anytime a button is pressed, the Wadia 581se/781i CD Player display automatically switches to the appropriate screen to display the change. For example, pressing the balance controls on the remote control will switch the 581se/781i CD Player display to the Balance screen. After five seconds, the display will return to the Volume screen.
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Page 12: Remote Control Operation
Remote Control Operation The Wadia 581se/781i CD Player remote control requires two type-AAA batteries, which you will find in the accessories kit. To install the batteries, remove the battery cover on the back of the remote by sliding it towards the bottom of the remote. - Page 13 Selecting an Input The Wadia 581ise/781i CD 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.
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Page 14: Playback Options
TRACK BACK/FORWARD : Pressing these buttons allows access to the previous or next track on a CD. SEARCH BACK/FORWARD : Pressing these buttons allows fast reverse or fast forward access through a track. Pressing the PLAY button to resumes normal playback. STOP : Pressing this button while a CD is playing stops PLAY. -
Page 15: Theory Of Operation
CD Player with ClockLink The Wadia 581ise/781i CD 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 16 Note: Using ClockLink with a source other than the internal transport will result in unpredictable, degraded performance. ClockLink should only be used when using an external processor which is being fed by the 581ise/781i CD Player internal transport. For all other applications, inputs should be configured with ClockLink OFF.
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Page 17: Menu Screen Map
581se/781i D Player 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 18: Digital Algorithms
The three algorithms in the 581se/781i CD 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 19: Appendices
Appendices Enabling/Disabling Digital Outputs The Wadia 581se/781i CD 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 20: Technical Specifications
Digital Outputs 1 - Glass Fiber-Optic (ST), 1 - AES/EBU (XLR), 1 - SP/DIF (BNC), (Wadia 581ise/781i only) 1 - Plastic Optical (Toslink) Digital Inputs 1 - Glass Fiber-Optic (ST), 1 - AES/EBU (XLR), 1 - SP/DIF (BNC),... -
Page 21: Safety Precautions
Safety Precautions ! IMPORTANT SAFETY PRECAUTIONS ! To get the best performance from your Wadia 581se/781i CD Player, and for your own safety, please read and follow these important safety instructions. 1 Before operating the Wadia 581se/781i CD Player please read all operating and safety instructions.
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