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Classe Omega Preamp MKIII El Manual Del Propietario página 3

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  • MEXICANO, página 12
THANK YOU FROM EVERYONE AT
CLASSÉ
Thank you for purchasing the Classé OMEGA
SERIES PRE-AMPLIFIER.
We take great pride in offering components
that combine exceptional sonic performance and
long-term reliability. To do that, we have invested
in extraordinary design and manufacturing
facilities. We trust that you will enjoy your
purchase for many years to come.
CLASSÉ DESIGN PHILOSOPHY
All of our components benefit from the same
rigorous design goal: All Classé products must
reproduce music with the harmonic and spatial
integrity typical of fine instruments heard in a
live, unamplified performance.
Single Circuit Design
To this end, we make extensive use of
carefully optimized versions of the same basic
circuit precisely matched to specific power
requirements. This means that all Classé line level
components and power amplifiers benefit from
years of refinement. However, our efforts do not
stop here.
Listening: The Critical Design Element
Once we determine general circuit values
for a particular application, we listen carefully
while exchanging and mixing different parts
(transistors, capacitors, wiring, PC boards, etc.)
and adjusting specific operating voltages within
proper engineering ranges.
Extended Real-World Lifespan
Every Classé component, even the most
affordable, benefits from our painstaking
approach to design parameters. The result is an
optimum balance between the often-conflicting
demands of exceptional performance and long-
term reliability. Our most expensive components
gain from even tighter tolerance parts and highly
segmented and exceptionally robust power
supplies with large reserve-current capabilities.
Our Pride in Manufacturing, Your Pride
in Ownership
We build all of our components to the highest
possible standards. From multi-layer glass-epoxy
circuit boards, the full sized power-supplies, and
the massive faceplates, every Classé product is
a tribute to both the science and art of sound
reproduction. We hope that you derive as much
pleasure and satisfaction in using your Classé as
we did in producing it.
UNPACKING & SET-UP
Your CLASSÉ OMEGA SERIES PRE-AMPLIFIER has
been packed and shipped as two separate units:
the power supply and the pre-amplifier itself.
Each has been carefully wrapped in heavy gauge
plastic, packed in semi-rigid foam and contained
in a special box. To remove the units, open and
spread the top flaps of the boxes. By their sides,
lift out each entire unit with foam pieces intact.
Remove each foam side by pulling straight out.
Remove the plastic wrap and inspect each unit
for any concealed damage. Apart from this
owner's manual, please ensure the following
has also been included:
• DETACHABLE AC LINE CORD
• DETACHABLE DC POWER SUPPLY
CABLE ASSEMBLY
• ALLEN KEY FOR TOP COVERS
• REMOTE CONTROL UNIT
(Batteries: AAA x 2 included).
Please report any damage or missing parts to
your dealer promptly.
This PRE-AMPLIFIER, being capable of very high
gain, must be located in a position free of any
hum-inducing magnetic fields. (This also applies
to turntables and interconnect cables.) Positions
adjacent to power amplifiers, A.C line filters, or
regulation devices should be avoided. Ideally,
a few feet should separate the PRE-AMPLIFIER
from the power amplifier. As well, keep low-level
interconnect cables away from the power amp
and separate from AC line cords. Keep the DC
cable assembly separate from the AC line cord
and separate from the input and output
interconnects as well.
Heat generated by the PRE-AMPLIFIER is
negligible. Air space around the unit need not
be a concern.
Check the Serial Number sticker on the back
of the unit for the correct operating voltage.
Regardless of voltage, the internal fuse rating
should be 4 AMP SLO-BLO.
CONNECTING POWER SUPPLY AND
SETUP
Select the spot you wish to put the new OMEGA
SERIES PRE-AMPLIFIER. Place the POWER SUPPLY
unit there. If you wish to have the two pieces
sit side by side make sure there is enough
room, and also make sure there is enough
room for them to be stacked if this is the
preferred configuration.
Connect the DC POWER SUPPLY CABLE to the
Power Supply Connector on the rear of the
Power Supply module. Do not attempt to
over-tighten the capture nut. Next connect the
other end of the DC POWER SUPPLY CABLE to
the Pre-amplifier module. Do not attempt to
over-tighten the capture nut. (The two ends of
the DC POWER SUPPLY CABLE are the same;
either end may be attached to either module.)
Attach the various input and output cables to
the pre-amplifier module. Where possible use
balanced interconnects. Do not attach the AC
line cord until all interconnects have been
installed.
AC LINE POWER
The Classé OMEGA SERIES PRE-AMPLIFIER self-
contained POWER SUPPLY has a POWER SWITCH
located on the left lower corner of the faceplate,
beneath the LED, which permits you to turn on
(see SAFETY FEATURE below) or shut the unit
down completely. When power is ON the LED
glows red, and when power is OFF the LED is
out. The separate Classé OMEGA SERIES PRE-
AMPLIFIER unit also has a STANDBY BUTTON
located on the lower left corner s of its front
panel which permits you to partially shut down
the unit while keeping important parts of the
circuitry warmed up.
While thoroughly musical shortly after initial
turn-on, the PRE-AMPLIFIER will exhibit "sonic
growth" during its first 300 hours of use.
Safety Feature
The OMEGA SERIES PRE-AMPLIFIER is designed
with an auto-muting circuit which engages
during the initial 7 seconds count down and is
indicated by the flashing GREEN STANDBY LED
when the unit is first powered up, or after an AC
power failure if the power switch was on. After
the 7 seconds countdown, the STANDBY LED
to the left of the front panel will be GREEN
thus showing that the unit is in STANDBY mode.
This feature will prevent any turn-on surges or
unstable output from reaching the power
amplifier and possibly the loudspeakers.
Similarly, make sure the STANDBY is ON
(SHOWING GREEN) and then turn the POWER
SWITCH "OFF" when removing A.C. line power.
CAUTION: DISCONNECT AC LINE CABLE WHILE
MAKING ALL CONNECTIONS. "FLOATING THE
GROUND", OR DEFEATING THE GROUND ON
A 3-PRONG LINECORD MAY CREATE A SHOCK
HAZARD. CONNECT ALL INTERCON-NECT
CABLES BETWEEN THE ELECTRONICS BEFORE
CONNECTING THE A.C LINECORDS TO THE WALL
OUTLETS. THIS WILL REDUCE THE POTENTIAL
SHOCK HAZARD. SEE ALSO THE WARRANTY
SECTION OF THIS OWNER'S MANUAL.
INPUTS
The input jacks are clearly marked on the back of
the OMEGA SERIES PRE-AMPLIFIER. The following
inputs are provided: LINE 1, LINE 2, LINE 3,
BAL 1, BAL 2, BAL 3, LINE-SSP and BAL-SSP.
LINE LEVEL INPUTS: LINE 1, LINE 2, and LINE 3:
These are all high level inputs sharing exactly the
same characteristics, and may be interchanged
if so desired.
BALANCED INPUT BAL 1, BAL 2, and BAL 3:
The XLR BALANCED INPUTS are true differential
high level inputs, wired as follows:
1

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