Classe XA-201 Manual Del Usuario página 5

Sequential Turn On
Your CA-201 is factory set as being the 1st
amp (AMP 1) to be turned on in sequence. To
re-program your unit so that it would be the
2nd, 3rd, 4th, 5th or 6th amps to be turned on
in sequence you have to follow this procedure.
Push and hold the power button, when the LED
becomes solid green, release the button and then
press again. The number of times you press will
determine when the amplifier will turn on in
the sequence.
EX: Push and hold power button until solid
green, when power LED is solid green, depress
button and then push 2 times. Then your
amplifier will be the 2nd one to turn on in
the sequence.
CONNECTIONS FOR LINE OR
BALANCED INPUTS:
The CLASSÉ CA-201 power amplifier is
equipped with both line and balanced inputs.
Either one may be used SEPARATELY, BUT NOT
SIMULTANEOUSLY. The balanced inputs must be
connected to a pre-amplifier that has balanced
main outputs. Balanced inter-connects with
"XLR" connectors are also required. Regardless
of the amplifier inputs used, stereo or mono
operation is possible on the CA-201.
Line Inputs
(The default amplifier setting is for "LINE".) If
you wish to use the amplifier with single-ended
interconnects and the amplifier is set for
BALANCED mode, turn off the amplifier and
move the LINE/BALANCED switch to the position
marked "LINE".
NOTE: The LINE/BALANCED switch will
not operate if the amplifier is turned on, you
will NOT be able to change from one mode to
the other, as the mode is "locked" while the
amplifier is on. Connect the line interconnects to
the RCA input jacks on the rear panels of
the CA-201. The balanced connectors are
automatically disabled.
Balanced Inputs
(The default amplifier setting is for "LINE".) If
you wish to use the amplifier with Balanced
interconnects and the amplifier is set for LINE
mode, turn off the amplifier and switch the
LINE/BALANCED switch to the position marked
"BALANCED". A balanced preamplifier and
balanced interconnect cables are also required.
NOTE: The LINE/BALANCED switch will
not operate if the amplifier is turned on, you
will NOT be able to change from one mode
to the other, as the mode is "locked" while
the amplifier is on. For use with balanced
preamplifiers other than Classé, the wiring of the
3-pin XLR connectors must be matched to that of
the CLASSÉ CA-201 which are wired as follows:
• PIN 1: DRAIN
• PIN 2: POSITIVE (NON-INVERTED)
• PIN 3: NEGATIVE (INVERTED)
All Classé preamplifiers and amplifiers are
configured as above. Some preamplifiers from
other manufacturers have PIN-3 set as the
positive or "HOT" side. If this is true of your
preamplifier, and you wish to maintain absolute
phase throughout your system, the interconnects
must swap connections on one end of the cable
from pin 2 to 3 and from pin 3 to 2. An equally
good way of reversing phase is to swap red for
black (+ for -) on the speaker cable ends at either
their amplifier or speaker end. (Even if your
preamplifier has pin three hot, you should check
with the manufacturer to ensure the preamplifier
does not invert phase internally as well).
Having confirmed or established the correct
phasing, be sure the amplifier is off, then plug
each of the XLR connectors of the balanced
interconnect into the locking XLR connectors
on the rear panel of the CA-201. Push the
connectors in until the locking mechanism clicks.
(To remove the connectors, press the tab above
the connector while pulling gently on the
connector body.)
Mono Operation
As stated above, either the line or balanced
inputs can be used in stereo or mono. Connect
a single interconnect, either line or balanced, to
the left channel input of each amplifier. See the
"Mono" section above for complete details.
NOTE: Neither the Stereo-Mono switch nor
LINE/ BALANCED switch will operate while the
amplifier is turned on. You will NOT be able to
change from one mode to the other, as these
modes are "locked" while the amplifier is on.
Protection circuit
The Classé CA-201 is equipped with rail fuses to
protect the output drivers (GDB6, 6 amps fast
blow. fig.2) and Mosfet fuses (2AG 1/2 PT,
amp fast blow) to protect the Mosfets, which
are used as pre-drivers for the output stage of
the amplifier. In the event that a short circuit
or other problems would occur at the output of
the amplifier, one or more of these fuses may
blow in an attempt to protect the amplifier. In
addition to the fuses, the unit has a circuit for
the detection of unusual distortion characteristics
and/or DC content in the incoming audio signal.
There is also an AC line fuse protecting the unit.
It is located at the back of the unit immediately
above the AC receptacle (see fig.1).
If the protection circuit of the unit is
triggered or any of the fuses has blown,
the FRONT PANEL POWER LED will go to
BLINKING GREEN, indicating a "fault"
condition.
IF THE PROTECTION CIRCUIT HAS
BEEN TRIGGERED, TURN THE CA-201 OFF. After
the situation which has triggered the protection
circuit has been clearly identified and corrected,
attempt to re-start the unit. IF THE UNIT STILL
GOES INTO PROTECTION MODE, OR IF IT
APPEARS THAT PROTECTION FUSES DID BLOW,
CONTACT YOUR LOCAL DEALER. DO NOT TRY
TO CHANGE A BLOWN FUSE. REPLACING A FUSE
WITHOUT CHECKING FOR COMPONENT FAILURE
COULD RESULT IN FURTHER, SERIOUS DAMAGE
TO VITAL COMPONENTS IN YOUR AMPLIFIER.
CONTACT YOUR LOCAL DEALER or Customer
Service at the Classé Audio, Inc
+1(514) 636 63 84.
CA-201 FEATURES:
Newly developed special Classé "UHC
TRANSFER" power supply section. Current
capacity increased above standard units. All
new Classé PCB circuit boards with "UHC
TRANSFER" characteristics. Reduction of wiring
and connections up to 70%. True differential
amplifier circuits from input to output. Both line
and balanced operation externally switchable.
thick brushed Soft Shadow Silver faceplate with
Satin Black curved pillars at both ends.
Notice to all Classé Product owners:
Thank you for your purchase of a Classé Audio
component.
All of us at Classé have taken extreme care to
ensure that your purchase will become a prized
investment. We are proud to inform you that all
Classé Audio components have been officially
approved for the European Community CE mark.
This means that your Classé product has been
subjected to the most rigorous manufacturing
and safety tests in the world, and have proven
to meet or exceed all European Community CE
requirements for unit to unit consistency and
consumer safety.
All of us at Classé Audio wish you many years
of musical enjoyment.
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As of July 18, 1996, Classé Audio has been
granted Certificate No: C401CLA1.MGS, which
indicates CE approval for all models of the Classé
Audio product line.
CLASSÉ AUDIO
5070 François Cusson
Lachine, Quebec
Canada H8T 1B3
Telephone: +1 (514) 636-6384
Fax: + 1 (514) 636-1428
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