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4
DAC Section
The digital to analog conversion circuitry is a
completely new design by Classé Audio. This unique
design utilizes six channels of the Crystal CS4397
delta-sigma converter. For each of the Omega
SACD balanced outputs, two channels of this DAC
are used, one for the positive signal and one for
the negative. For the single-ended outputs, the
remaining two channels are used, one for the
right and one for the left. This unique arrangement
allows for full balanced operation and
uncompromised single-ended operation as well.
In addition, it means that the balanced and single-
ended outputs produce the same output level.
Power Supply
Classé engineers have long recognized the
importance of pure power for high-performance
digital designs. The Classé Omega SACD player has
the most sophisticated power supply of any Classé
digital product. The Classé Omega SACD Player
uses a massive regulated outboard power supply.
This chassis houses two transformers, one for
digital circuitry, and one for analog, as well as
active pre-regulation. This arrangement assures
that the audio circuitry is provided with a power
source completely free of digital noise. In addition,
the power supplies for each section of circuitry
are double- or triple-regulated within the main
chassis. Again, this ensures not only complete
rejection of AC line noise, but prevents noise from
being transmitted between sections within the
main chassis.
UNPACKING AND POSITIONING
Unpack your Omega SACD Player carefully. If you
notice any shipping damage, contact your dealer
immediately. Saving the packaging material is
advised in case the unit needs to be shipped for
service. If you choose to dispose of the packaging,
please recycle.
Contents
Included in the carton should be the following
items:
1. Main unit
2. Power supply unit
3. Power supply umbilical cord
4. AC mains cord
5. Remote control and 2 AAA batteries
6. Disc stabilizer
7. Warranty card
8. This manual
If any of these items is missing, contact your
dealer immediately.
Installing batteries in the remote control
To install the batteries in the remote control,
remove the screws that hold the battery cover to
the back of the remote. Install the two AAA
batteries as indicated on the plastic battery holder
inside and replace the cover.
Positioning the Omega SACD Player and
Power Supply
For best performance, place your Omega SACD
Player on a solid, non-resonant surface. Do not
place the Omega SACD Player directly on top of
another component.
Place the Omega SACD Power Supply close enough
to the main unit so that the umbilical cord can be
connected to both units. Do not place the power
supply in direct contact with the main unit.
CONNECTIONS
Pictured here is the rear of the Omega SACD
main unit showing all input and output
connections. Refer to the page number indicated
for more information on these connections.
Connecting the Power Supply to the Main Unit
Before connecting the AC mains, you must connect
the power supply to the main unit. Using the
umbilical cord included in the carton, connect the
power supply to the main unit. Align the
connectors on either end of the umbilical and firmly
press them into the sockets labeled DC SUPPLY on
the power supply and main unit. Rotate the collar
on the umbilical connectors to secure the
connection.
Never disconnect the umbilical cord without first
disconnecting the AC mains from the wall outlet.
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OUTPUTS IR
IN
DC
SUPPLY
SPDIF
INPUTS
TOSLINK
OUT
Analog outputs
See page 5.
Digital inputs
See page 5.
Digital outputs
See page 5.
Power supply input
See page 4.
IR input and output
See page 5.