Classe CA-5100 Manual De Instrucciones página 14

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The pin assignments of these XLR input connectors are:
Pin 1: Signal ground
Pin 2: Signal + (non-inverting)
Pin 3: Signal – (inverting)
Connector ground lug: chassis ground
These pin assignments are consistent with the standard adopted by the
Audio Engineering Society (AES14-1992).
If you are using your Classé power amplifier with a Classé preamplifier,
you're all set – just take standard balanced interconnect cables and plug
them in.Then engage that input on the power amplifier by configuring it
as described in Initial Setup.
If you are using another brand of preamplifier, please refer to the operating
manual of your balanced-output preamplifier to verify that the pin
assignments of its output connectors correspond to your amplifier. If not,
have your dealer wire the cables so that the appropriate output pin
connects to the equivalent input pin.
2 Single-Ended (RCA) Input
Single-ended cables using RCA connectors are the most common form of
analog connection used in consumer electronics. When implemented
carefully and with use of high quality interconnecting cables, this standard
can provide excellent performance. Classé has gone to extraordinary effort
to ensure that the single-ended (RCA) inputs of your power amplifier are
as good as possible. However, this connection standard cannot offer the
immunity from interference that balanced interconnection does—hence
our recommendation to use the balanced inputs when possible.
If you elect to use the single-ended inputs of your Classé power amplifier,
you need to engage them by configuring the amplifier as described in
Initial Setup.
3 Speaker Outputs
A pair of high quality five-way binding posts is provided for each channel
of the amplifier.
Although the binding posts on your Classé amplifier will accept bare wire
connections, we strongly recommend the use of high quality spade or hook
lugs, crimped and soldered onto the ends of your speaker wires. Using high
quality connectors will ensure that your speaker connections do not
gradually deteriorate from fraying and oxidizing bare wires. It also helps
prevent accidental short-circuits from poorly-terminated connections.