2
Regular Inputs
The CAV-500 amplifier is factory set for
“REGULAR” You will notice that there are
shorting jumpers installed between PIN 1
(ground) and PIN 3 (negative) of each of the
balanced input connections at the back of the
unit. This automatically disables the BALANCED
connections and activates the REGULAR
(single-ended) inputs.
Balanced Inputs
To enable the BALANCED connections, simply
remove the jumpers between PIN 1 (ground) and
PIN 3 (negative) on the XLR connector, this will
automatically enable the BALANCED INPUT
connection. For use with balanced preamplifiers
other than Classé, the wiring of the 3-pin XLR
connectors must be matched to that of the
CLASSÉ CAV-500 which are wired as follows:
• PIN 1: GROUND
• PIN 2: POSITIVE (NON-INVERTED)
SIGNAL,“HOT”
• PIN 3: NEGATIVE (INVERTED) SIGNAL
All Classé preamplifiers and amplifiers are
configured as noted in the previous page. Some
preamplifiers from other manufacturers have
PIN-3 set as the positive or “HOT” side. If this
istrue of your preamplifier, and you wish to
maintain absolute phase throughout your system,
the interconnects must have the wire which is
connected to PIN-3 at the preamplifier output
end switched to PIN-2 at the amplifier input end
and the wire which is connected to PIN-2 at the
preamplifier output switched to PIN-3 at the
amplifier input end.
Having confirmed the correct connections, plug
the XLR connectors of the balanced interconnects
into the locking XLR connectors on the rear panel
of the CAV-500. Push the connectors in until
thelocking mechanism clicks. (To remove the
connectors, press the tab above the connector
while pulling gently on the connector body.)
Protection circuit
The Classé CAV-500 is equipped with mosfet
fuses (3/4 amp fast blow) to protect the mosfets,
which are used as pre-drivers for the output
stage of the amplifier. The mosfet fuses are
located in front of the top main regulator board
at the back of the unit. 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
acircuit 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 below the AC receptacle.
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 CAV-500 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) 636-6384.
J3 J2 J1 J0
ADRESS RC Auto
Button on
XXXX 0 Amp 1 No
X X X out 1 Amp 2 No
X X out X 2 Amp 3 No
X X out out 3 Amp 4 No
X out X X 4 Amp 5 No
X out X out 5 Amp 6 No
X out out X 0 Amp 1 No
X out out out 0 Amp 1 Yes
CAV-500 FEATURES:
Newly developed special Classé “UHC
TRANSFER” power supply section. Current
capacity increased above standard units.
Magnetic flux controlled transformer cover.
Allnew 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
regular and balanced operation. 1/2" thick
brushed Soft Shadow Silver faceplate with
SatinBlack 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 CEmark.
This means that your Classé product has been
subjected to the most rigorous manufacturing
and safety tests in the world, and have proven
tomeet 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.
As of July 18, 1996, Classé Audio has been
granted Certificate No: C401CLA1.MGS, which
indicates CEapproval 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