Wadia di322 Owner's Manual
Wadia Digital, LLC. 2 Chambers Street Binghamton, New York 13903-2699
di322 digital audio decoder
Phone: 607-723-3539 Fax: 607-724-0549 www.wadia.com
Owner’s Manual
The lightning ash with arrowhead, within an equilateral triangle,
ATTENTION:
RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR
is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of suf-
cient magnitude to constitute a risk of electric shock to persons.
WARNING - TO REDUCE RISK OF
FIRE OR ELECTRICAL SHOCK, DO
NOT EXPOSE THIS EQUIPMENT TO
RAIN OR MOISTURE.
IMPORTANT SAFETY
INSTRUCTIONS!
PLEASE READ THEM BEFORE
OPERATING THIS EQUIPMENT.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus (including am-
pliers) that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wide
blade or the third prong are provided for your safety. If
the provided plug does not t into your outlet, consult an
electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
11. Only use attachments/accessories specied by the manufacturer.
12. Use only with the cart, stand, tripod, bracket,
or table specied by the manufacturer, or
sold with the apparatus. When a cart is used,
use caution when moving the cart/apparatus
NO USER-SERVICEABLE PARTS INSIDE. RE-
FER SERVICING TO QUALIFIED PERSONNEL.
combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when
unused for long periods of time.
14. Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in
any way, such as power-supply cord or plug is damaged,
liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15. Do not expose this equipment to dripping or splashing
and ensure that no objects lled with liquids, such as
vases, are placed on the equipment.
16. If this equipment is supplied with a power supply cord
only, the mains plug of the power supply cord shall
remain readily operable. To completely disconnect this
equipment from the a.c. mains remove the plug from the
a.c. receptacle.
Si l’équipement est uniquement alimenté par un cordon d’alimentation, la che du cordon d’alimentation
doit demeurer aisément accessible. Pour déconnecter
complètement l’équipement du réseau d’alimentation,
déconnecter la che du cordon d’alimentation de la prise
murale.
17. If this equipment is supplied with AC /DC Adapter with
separate power supply cord or the AC/DC Adapter plugging directly into an a.c. receptacle, they shall remain
readily operable. To completely disconnect this equipment from the a.c. mains remove the AC /DC Adapter
mains power supply cord from the a.c. receptacle or
remove the AC /DC Adapter when it is directly plugged
into the a.c. receptacle.
Si l’équipement est alimenté par un adaptateur AC/DC
The exclamation point within an equilateral triangle is intended to
alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the
appliance.
To prevent the risk of electric shock,
do not remove cover or back. No
user-serviceable parts inside.
munis d’un cordon d’alimentation ou un adaptateur AC/
DC qui est alimenté directement à la prise murale, ils
doivent demeurer aisément accessibles. Pour déconnecter
complètement l’équipement du réseau d’alimentation,
déconnecter l’adaptateur AC/DC de la prise murale ou
déconnecter le cordon d’alimentation de l’adaptateur AC/
DC de la prise murale.
18. WARNING: Do not expose batteries or battery pack to
excessive heat such as sunshine, re or the like.
AVERTISSEMENT: Les batteries ou bloc de batteries
ne doivent pas etre exposees a une chaleur excessive
telle que celle du soleil, feu ou autre source de chaleur
similaire.
19. CAUTION: danger of explosion if battery is incorrectly
replaced. Replace only with the same or equivalent type.
ATTENTION: danger d’explosion si la pile n’est pas
remplacée correctement. Ne remplacer que par le même
type ou un type équivalent.
20. Connect mains power supply cord only to a mains socket
outlet with a protective earthing connection.
WARNING
DO NOT INGEST BATTERY, CHEMICAL BURN HAZARD
The remote control supplied with this product contains a coin/
button cell battery. If the coin/button cell battery is swallowed, it can cause severe internal burns in just 2 hours and
can lead to death. Keep new and used batteries away from
children. If the battery compartment does not close securely,
stop using the product and keep it away from children. If you
think batteries might have been swallowed or placed inside of
the body, seek immediate medical attention.
2
Battery Installation and Replacement
CAUTION:
Danger of explosion if the battery is incorrectly installed. Only install one of the
approved Lithium Batteries listed below.
Battery Installation
The Wadia di322 Remote Control uses a long life
Lithium Coin Cell type battery. The di322 may be
supplied with a battery depending on the country
where the di322 is purchased. When purchasing a battery for use in the di322 refer to the following list:
Approved Lithium Batteries
Brand IEC No. ANSI/NEDA No.
Energizer CR2032 5004LC
Panasonic CR2032(PA/1B)15004LC
1
CR Lithium Coin Cells contain Perchlorate Material - special handling
may apply. For additional information go to www.dtsc.ca.gov/hazaedous
waste/perchlorate/index.cfm
Access to the recessed battery compartment is located
on the Rear of the Remote Control.
Refer to figure 1.
Perform the following steps to install
the battery:
1. Press the tab towards the bottom
edge of the Remote Control and
lift up on the Battery Cover and
temporarily place it aside. Refer to
figures 2 and 3.
LIFT
TAB
Figure 2
UP
Figure 3
1
1
Battery
Compartment
Figure 1
2. Remove the CR2032 Battery from its packaging.
3. Orient the battery so the + symbol (engraved into
one side of the battery) is facing up.
Contact
Points
2
R
C
Figure 4
0
3
2
Battery
2
R
C
CR2032
3V
Figure 5
0
3
2
4. Referring to figures 4 and 5, insert the battery
into the socket. Make sure the battery is touching
both contact points and is seated in the socket.
5. Reinstall the Battery Cover.
6. The Remote Control is now ready for operation.
Battery Removal
The life of the Lithium Battery used in the Wadia
Remote Control is dependent on the actual amount of
use. It is advisable to remove the battery from the Remote Control when it is not to be used for an extended
period of time. This will help to extend battery life
and avoid possible damage to the Remote Control.
Perform the following steps to remove the battery
from the Remote Control:
1. Press the tab and lift up on the Battery Cover
and temporarily place it aside. Refer to figures 2
and 3.
2. Referring to figure 6,
press on the bottom edge
of the battery to release
the battery from the
molded battery socket.
Then remove the battery from inside of the
Remote Control.
Figure 6
3. Reinstall the Battery Cover.
4. Store the battery in a cool dry place for future use
or dispose of the battery in accordance
with the local regulations for lithium battery disposal. Batteries should never be
thrown away or incinerated.
WARNING
DO NOT INGEST BATTERY, CHEMICAL BURN HAZARD
The remote control supplied with this product contains
a coin/button cell battery. If the coin/button cell battery
is swallowed, it can cause severe internal burns in just
2 hours and can lead to death. Keep new and used batteries away from children. If the battery compartment
does not close securely, stop using the product and keep
it away from children. If you think batteries might have
been swallowed or placed inside of the body, seek immediate medical attention.
3
All of us at Wadia Digital would like to say thank you,
and congratulations for deciding to own this Wadia
di322 digtial audio decoder. We sincerely believe this
Wadia product will bring you many years of musical
enjoyment and satisfaction.
Please take a short time to read the information in this
manual. We want you to be as familiar as possible
with all the features and functions of your new Wadia
Product.
About Wadia ....
Wadia Digital, founded in 1988, is one of the
original companies dedicated to high performance
digital audio reproduction. Wadia is based on the
philosophy of applying advanced technology to
improve the performance of digital audio components.
Wadia has consistently raised the standard for
performance of Digital Audio playback. Some of
the technological innovations pioneered by Wadia
include:
• DigiMaster™ patented algorithm (lter optimized for reproducing music)
• ClockLink™ proprietary jitter reduction tech-
nology
• SwiftCurrent™ current to voltage conversion
technology
• First outboard Digital-to-Analog converter
• First to apply glass ber-optics to home audio
Our designs are born of a delicate balance of
technology shaped by a passion for music. Wadia
continues to re-dene the limits of digital music
playback.
Please Take A Moment
The serial number, purchase date and Wadia Dealer
name are important to you for possible insurance
claim or future service. The spaces below have been
provided for you to record that information:
Serial Number: _______________________________
Purchase Date: _______________________________
Dealer Name: ________________________________
Technical Assistance
If at any time you have questions about your Wadia
product, contact your Wadia Dealer who is familiar
with your Wadia equipment and any other brands that
may be part of your system. If you or your Dealer
wish additional help concerning a suspected problem,
you can receive technical assistance for all Wadia
products at:
Wadia Digital, LLC.
2 Chambers Street
Binghamton, New York 13903
Phone: 607-723-3539
Fax: 607-724-0549
Customer Service
If it is determined that your Wadia product is in need
of repair, you can return it to your Dealer. You can
also return it to the Wadia Service Department. For
assistance on factory repair return procedure, contact
the Wadia Service Department at:
Wadia Digital, LLC.
2 Chambers Street
Binghamton, New York 13903
Phone: 607-723-3539
Fax: 607-724-0549
Table of ContentsThank You
Safety Instructions ..................................................... 2
Battery Installation and Replacement ........................ 3
Thank You and Please Take a Moment ...................... 4
Technical Assistance and Customer Service ............. 4
Table of Contents ....................................................... 4
General Information .................................................. 5
Connector and Cable Information ............................. 5
Introduction ................................................................ 6
Performance Features ................................................ 6
Dimensions ................................................................ 7
Installation ................................................................. 8
Connections:
Rear Panel Connections .............................................. 9
Connecting to a Power Amplifier ............................. 10
Connecting to a Preamplifier .....................................11
Remote Control:
Remote Control Push-buttons ................................... 12
Front Panel:
Front Panel Displays, Push-buttons and Jack ........... 13
Setup:
How to Operate Setup Mode .................................... 14
Operation:
How to Operate the di322 .................................... 15-19
Additional Information:
Photos ................................................................... 20-21
Specifications ............................................................ 22
Packing Instruction ................................................... 23
Copyright 2015 © by Wadia Digital, LLC.
4
General Information
1. For additional connection information, refer to the
owner’s manual(s) for any component(s) connected
to the di322 digtial audio decoder.
2. The Main AC Power going to the di322 and any
other Wadia Component(s) should not be applied
until all the system components are connected
together. Failure to do so could result in malfunctioning of some or all of the system’s normal
operations. When the di322 and other Wadia Com-
ponents are in their Standby Power Off Mode, the
Microprocessor’s Circuitry inside each component
is active.
3. The Unbalanced Outputs and Balanced Outputs can
be used simultaneously.
4. The di322’s internal Digital to Analog Converter
Circuitry is designed to decode 2-channel PCM
(Pulse Code Modulation) Digital Signal present at
the Coaxial, Optical and USB Digital Inputs. Other
Digital Audio Signal Format Types will cause the
Audio Outputs of the di322 to be muted.
5. The term “Absolute Phase” relative to reproduction
of sound by Loudspeakers (or headphones) refers
to the phase of the reproduced signal relative to the
original signal, retaining the original polarity. This
applies regardless of the number of audio channels.
A positive pressure on the microphone is repro-
duced as a positive pressure by the Loudspeaker.
This would be referred to as “In Phase” reproduction and is normal. When positive pressure on the
microphone is reproduced as a negative pressure by
the Loudspeaker, this would be referred to as “Out
of Phase” reproduction and is not normal. The vast
majority of recordings are made with all channels
in “Absolute Phase”.
The term “Absolute Phase” is not the same as
“Phase Reversal” where there is a polarity reversal
General Information and Connector Information
between the Amplifier and Loudspeaker positive
and negative terminal connections on any given
channel.
6. When discarding the unit, comply with
local rules or regulations. Batteries should
never be thrown away or incinerated but
disposed of in accordance with the local
regulations concerning battery disposal.
7. For additional information on the di322 and other
Wadia Products please visit the Wadia Web Site at
www.wadia.com.
Connector and Cable Information
XLR Connectors
Below is the Pin configuration for the XLR Balanced
Output Connectors on the di322. Refer to the diagram
for connections:
PIN 1: Shield/Ground
PIN 2: + Output
PIN 3: - Output
PIN 1
PIN 3
PIN 2
5
Introduction
The Wadia di322 digtial audio decoder is one of the
finest Digital to Analog Processors ever created with
connections for digital sources including USB. The
di322 Outputs have the ability to drive multiple components. The di322 reproduction is sonically transpar-
ent and absolutely accurate. The Wadia Sound is “The
Sound of the Music Itself.”
Performance Features
• Dual Function
Use the Wadia di322 as the Digital Preamplifer
together with Digital Source Components and Power
Amplifier
the Wadia di322 to an exisiting Analog Audio System
to provide the latest in Digital-to-Analog Conversion
from digital audio sources.
• Electronic Input Switching
Electronic Input Switching on all Inputs provides reliable, noiseless, distortion free switching.
• Digital Audio Inputs
The di322 has Coaxial, Optical, DIN and USB Digital
Inputs to Decode PCM and DSD Signals from an ex-
ternal source. The Coaxial and Optical Inputs process
Digital Signals up to 192kHz with 24-Bit resolution.
The Digital DIN connection allows for streaming of
high bandwidth digital signals (DSD, PCM) directly
into the di322 from external sources. The USB Input
processes Digital Signals up to 192kHz with 32Bit
resolution, decodes DSD128 Digital Signals and DXD
24Bit with a sampling rate of 352.8 (or 384).
1
to form a complete Audio System. Connect
• Quad Balanced Digital to Analog Converter
The 8 channel 32-bit, 192kHz Digital to Analog
Converter is used in a Stereo Quad Balanced Mode,
assuring the music is reproduced with a wide dynamic
range and extremely low distortion, for both Disc and
external sources.
• Balanced Outputs
The Balanced Outputs allow the connection of long
cable lengths without a loss in sound quality.
• High Performance Headphone Output
The separate Headphone Power Amplifier Circuitry
is designed to produce high power output into Headphones with a low output impedance.
• Precision Tracking Volume Control
Volume levels are controlled by a Digitally Controlled
Attenuator System with a tracking accuracy of 0.5dB.
• Alphanumeric Fluorescent Display
The Front Panel Information Display indicates the
Source Selection, Sampling Frequency, Volume Level,
Output Phase and Setup Mode Selections. The display
intensity is adjustable.
• Trigger Input and Output
A Trigger Control connection for convenient Turn-On
of Wadia Power Amplifiers, Source Components and
Accessories is included.
Introduction and Performance Features
• Remote Control
The Remote Control provides control of the di322
operating functions.
• Special Power Supply
Fully regulated Power Supplies and a special R-Core
Power Transformer ensure stable noise free operation
even though the power line varies.
• Gold Plated Connectors
The Input and Output Connector Contacts are gold
plated for superior corrosion resistance and high electrical conductivity.
• LED Front Panel Indicators
Long life Light Emitting Diodes (LEDs) are used to
indicate when the Setup Mode is active and when the
di322 is in the Standby Mode.
• Die Cast Aluminium Chassis
Maintains cool operating temperatures of the internal
circuitry by the heat dissipating properties of the die
cast aluminium chassis. The aluminium chassis with
illuminated top glass panel is very durable and will
retain its appearance for many years to come. This ensures the durability and functional design of the di322
will be retained for many years.
1
Note: The Wadia di322 is designed to be compatible with the majority of Audio Power Ampliers. However, do to a
wide range of Power Amplier Designs, it is important the input sensitivity of the amplier be at least 2 Volts.
This will assure the playback of most music recordings is reproduced with adequate dynamic range.
6
Dimensions
The following dimensions can assist in determining
the best location for your di322. There is additional
information on the next page pertaining to installing
the di322 into cabinets.
Front View of the di322
7/8"
17-
45.4cm
Dimensions
COAX1 192K 65
Rear View of the di322
7/8"
17-
45.4cm
2-7/8"
7.3cm
3-3/8"
8.6cm
Side View of the di322
17-7/8"
45.4cm
16-7/16"
41.8cm
16-7/16"
41.8cm
7
Installation
The di322 is designed to be placed upright on a table
or shelf, standing on its feet. The required ventilation
requirements are shown.
Always provide adequate ventilation for your di322.
Cool operation ensures the longest possible operating
life for any electronic instrument. Do not install the
di322 directly above a heat generating device, such
as a Power Amplifier. Allow at least 2 inches (5.1cm)
above the top, 5/8 inches (1.6cm) below the bottom
and 1 inch (2.5cm) on each side of the di322, so that
airf low is not obstructed. Allow 20 inches (50.8cm) of
depth for airflow and cable connections.
di322 Front View
1"
2.5cm
Installation
2"
5.1cm
1"
2.5cm
COAX1 192K 65
2"
5.1cm
di322 Side View
8
20"
50.8cm
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