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931/921DecodingComputerSystem
Information&OperationManual
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931/921DecodingComputerSystem
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series9DecodingComputerSystem Information&OperationManual Table of Contents Preliminaries Brief History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 How to Use this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Thank You All of us at Wadia would like to offer thanks and congratulations to you for purchasing the Wadia series 9 Decoding Computer System. We sincerely believe that your Wadia series 9 Decoding Computer System will bring you many years of musical pleasure and satisfaction. While every new owner is anxious to begin listening, we encourage you to take a few minutes to read and familiarize yourself with the full capabilities of the Wadia series 9 Decoding Computer System. Brief History Wadia wa
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series9DecodingComputerSystem Overview This manual covers the installation and operation of the complete Wadia series 9 Decoding Computer System. There are three steps to a complete installation: • Installation and configuration of the Wadia 931 Digital Controller • Installation and configuration of the Wadia 921 Mono Decoding Computers • Operation of the Wadia series 9 Decoding Computer System How to Use this Manual Included in this manual is all the information you need to completely install a
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Quick Start Unpacking and Placement Unpack each of the cartons. Check each component for shipping damage and verify that the operating voltage matches your local AC voltage. The Wadia 931 Digital Controller should be positioned near the source components, the Wadia 921 Mono Decoding Computers should be placed near the amplifier or amplifiers. Connections Use the illustrations below and on the following page to connect the Wadia series 9 Decoding Computer System. All rear-panel connectors are lab
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series9DecodingComputerSystem Standard Configuration: Step 1: Connect data output 1 from the Wadia 931 Digital Controller to the data input of the left channel Wadia 921 Mono Decoding Computer. Step 2: Connect ClockLink output 2 from the Wadia 931 Digital Controller to the ClockLink input of the left channel Wadia 921 Mono Decoding Computer. Step 3: Connect data output 3 from the Wadia 931 Digital Controller to the data input of the right channel Wadia 921 Mono Decoding Computer. Step 4: Connect
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Installation and Set-up Unpacking Carefully unpack your Wadia 931 Digital Controller and the two Wadia 921 Mono Decoding Computers. Inspect the outside of the chassis for shipping damage. If you find any, report it to your dealer immediately. Do not plug in the Wadia 931 Digital Controller if you see any signs of shipping damage. Please save all packing materials so the unit can be easily and safely shipped if the need arises. Placement Wadia 931 Digital Controller Much like an analog preamplifi
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series9DecodingComputerSystem Connecting the Wadia 931 to a Digital Source The Wadia 931 Digital Controller has six digital inputs: • 2 glass fiber (ST) - Input 1,2 • 2 SPDIF (BNC) – Input 3,4 • 1 plastic fiber (TOSLINK) – Input 5 • 1 AES/EBU (XLR) – Input 6 Note: Input One is factory-configured for a ClockLink enabled source, such as a Wadia 270 CD Transport. Using a non-ClockLink source connected to a ClockLink input degrades the sonic performance. To change the configuration of any input, see
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Wadia Digital Sources with ClockLink The Wadia 931 Digital Controller serves as the reference clock for your entire Wadia digital system. The Wadia 931 Digital Controller uses a ultra-stable Temperature-Controlled Crystal Oscillator (TCXO) as a master clock and is further enhanced by a superior power supply. The Wadia 931 Digital Controller has a ClockLink output for source components, such as a Wadia 270 CD Transport. To link the Wadia 270 CD transport, connect an ST glass fiber cable from the
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series9DecodingComputerSystem Connecting the 931 and 921 Wadia 931 Digital Controller Outputs There are nine outputs on the Wadia 931 Digital Controller. One is dedicated for ClockLink and can be used to connect to a Clocklink enabled source. All of the other outputs can be configured as either ClockLink or Data outputs. This allows the Wadia 931 Digital Controller to be used in a variety of system configurations. To change the configuration of the outputs, see Configurations on page 24. Wadia 9
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Connecting to 921 Mono Decoding Computers Step 1: Connect data output 1 from the Wadia 931 Digital Controller to the data input of the left channel Wadia 921 Mono Decoding Computer. Step 2: Connect ClockLink output 2 from the Wadia 931 Digital Controller to the ClockLink input of the left channel Wadia 921 Mono Decoding Computer. Step 3: Connect data output 3 from the Wadia 931 Digital Controller to the data input of the right channel Wadia 921 Mono Decoding Computer. Step 4: Connect ClockLink o
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series9DecodingComputerSystem Connecting to Wadia 921 Mono Decoding Computers The Wadia 921 Mono Decoding Computer has 2 outputs: • Line-level unbalanced analog on RCA • Line-level balanced analog on XLR Connecting Directly to an Amplifier We strongly recommend that you connect your Wadia series 9 Decoding Computer System directly to your power amplifier. Even if you purchased your Wadia series 9 Decoding Computer system with the intention of connecting it through a preamplifier, we suggest that
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Illuminated Status Indicator There is a multi-colored LED at the base of the front of the Wadia 921 Mono Decoding Computer. This LED indicates the status of the Wadia 921 Mono Decoding Computers, as follows: • Blue Unit is in operate mode • Red Unit is powered up, but in Standby Mode • Flashing Red Output protection is engaged (contact your dealer) Status Indicator Wadia 921 Mono Decoding Computers Maximum Output Level Setting For optimum performance, the Wadia 921 Mono Decoding Computer output
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series9DecodingComputerSystem Choosing a Digital Cable While the Wadia series 9 Decoding Computer System supports all currently accepted transmission formats for digital audio, we recommend using the glass optical cable that is included in your accessory kit. Wadia Digital was the first company to use glass fiber-optic data transmission in digital audio. We have continually improved this format and believe that it offers the best, most consistent performance of all the available options. Based o
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Frequently Asked Questions Should I use a Power Line Conditioner? The Wadia 931 Digital Controller and Wadia 921 Mono Decoding Computers are designed to be used without AC power line conditioners. Similarly, Wadia products are designed to achieve outstanding performance with the AC power cords included with the units. If you wish to experiment, we recommend that you proceed with caution. Only purchase an after-market AC power accessory if you are absolutely convinced that it improves sound quali
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series9DecodingComputerSystem Operation and Configuration Once the Wadia 931 Digital Controller and Wadia 921 Mono Decoding Computers are configured and installed in your system, all operation is done by using the remote control and display screen on the Wadia 931 Digital Controller. Front Panel Controls There are five buttons on the front panel of the Wadia 931 Digital Controller. During configuration mode, these buttons change functions (see Configuration). UP/Down These buttons perform the sa
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Wadia 931 Remote Control Commands Below is a diagram of the functions for the Wadia 931 Digital Controller remote control. Keys not described below control transport functions on all current Wadia transports and CD players. See your transport or CD player manual for additional instructions. Program* / Transport Time Mode Display On/Off Repeat / Single Track Repeat Balance Left/Right Direct Enter Mode Input 0 + 10** / Phase Invert Drawer Open/Close / Search Back Search Forward / Mute Pause / Play
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series9DecodingComputerSystem Operational Screens There are 2 ways to navigate between the Operational Screens. The user can either scroll through them, or access them directly. The user can scroll in a loop through the Operational screens (plus the Enter Configuration Mode screen) by pressing enter, either on the front panel or the remote control. After 10 seconds of no user activity, the display will revert to the main screen. W a d i a 9 3 1 Turn-on D i g i t a l C o n t r o l l e r 10 sec L
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Direct Access to Operational Screens Anytime the user presses a command, the display jumps to that screen. Balance Screen Indicates the current right/left channel balance. The balance is adjusted by pressing the right and left balance keys on the remote control. Each time a key is pressed, the volume on that channel is increased by 0.2 on the display (0.1 dB) on that channel, and decreased by 0.2 on the display for the other channel. If the user presses the left balance button once, the display
