Power Amp Output; Bridged Mode; Ground-Lift Switch; Mains Input - Electro-Voice CP3000S Mode D'emploi

REAR PANEL
POWER AMPLIFIER OUTPUT CONNECTORS
To prevent short-circuit and/or to protect your speaker systems from being damaged when connecting
the cabinets, please make sure to mind the Low- and High channels' specifi c pin-assignments!
If, for example, the subwoofer audio signal is used to feed a tweeter, it is more than likely that this will
instantly destroy the HF-driver's coil.
WARNING:
The speaker output terminals are marked with a symbol "
terminals present a shock hazard to the user.

BRIDGED MODE

CAUTION: Operating the power amplifi er in Bridged-Mode may result in extremely high voltages
being present at the BRIDGED OUT connector. The connected loudspeaker systems have to be
designed for handling such high voltages. Please carefully read the power handling specifi cations
as stated in the documentation of the according loudspeaker system and make sure to check
whether they are in compliance with the output capacity specifi cations of the power amplifi er.

GROUND-LIFT SWITCH

MAINS INPUT

possible make sure to use the supplied mains cord for connecting the power amp to the mains network.
Using a different mains cord with a smaller diameter results in higher leakage, consequently reducing
the amplifi er's maximum power output capacity.
Power amp output connection for the two channels
A (left) and B (right) is provided via SPEAKON-type
output connectors. A plastic cover to prevent inadvertent
erroneous connection protects the BRIDGED OUT
connector. Remove the cover only when actually operating
the power amplifi er in Bridged-Mode.
CAUTION!
Pins 2+/2- of the CHANNEL A SPEAKON output, which
normally are not in use, are also connected to output B to
ensure comfortable connection of 2-way speaker cabinets
(e.g in Bi-Amping Mode) when using 4-wire Speakon
cables.
With the BRIDGED-MODE switch being engaged, using the channel A input
for audio signal feed is mandatory, since input B provides no function. While
the amplifi er of channel A operates as usual. Additionally, the audio signal is
internally inverted and routed to the amplifi er of channel B. Both amps – A
and B – now work in push-pull operation to provide doubled output voltage at
the BRIDGED-OUT connector.
The regular output voltage of each amplifi er channel A + B is still present at the
corresponding output connectors CHANNEL A and CHANNEL B. However,
using these signals is not recommendable because of the aforementioned
phase inversion. Operating the power amp in Bridged Mode with loads of
2ohms connected is not allowable.
The ground-lift switch allows eliminating noise loops. When operating the
power amplifi er in a 19" rack-shelf system or cabinet together with other
equipment, setting the switch to its GROUNDED position is recommended.
When operating the power amplifi er together with appliances with differing
ground potentials, set the switch to its UNGROUNDED position
Under normal circumstances, the mains fuse only blows in case of fault.
Replacing the fuse is only permissible for authorized service personnel
using a new fuse of the same type with identical amperage, voltage and
blow characteristics. The high-performance mains cord supplied with your
power amplifi er complies with applicable safety regulations, plus that its
diameter corresponds to the power amp's power output capacity. Whenever
", which signifi es that these
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