Crown-audio I-Tech 4x3500HD Bedienungsanleitung PDF herunterladen (Seite 7)

I-Tech HD DriveCore Series Power Ampliers

Operation Manual

page 7

2.2 Connecting to AC Mains

WARNING: The third (ground) prong of the supplied AC power

cord connector is a required safety feature. Do not attempt to

disable this ground connection by using an adapter or other

methods.

Ampliﬁers do not create energy. The AC mains voltage and current must be

sufﬁcient to deliver the power you expect. You must operate your ampliﬁer

from an AC mains power source with not more than a 10% variation above

or a 10% variation below the ampliﬁer’s speciﬁed line voltage range and

within the speciﬁed frequency requirements (indicated on the ampliﬁer’s

back panel label). If you are unsure of the output voltage of your AC mains,

please consult your electrician.

2.3 Wire Inputs and Outputs

2.3.1 Wiring basics

• Always use shielded wire for input wiring. The higher the density of the

shield (the outer conductor) the better. Spiral wrapped shield is not

recom mended.

• When using unbalanced lines keep the cables as short as possible. Avoid

lengths greater than 10 feet (3 meters).

• Do not run audio input cables together with high-level wiring such as

loudspeaker wires or AC cords. (This lessens the chance of hum and noise

being induced into the input cables.)

• Turn the entire sound system off before changing any connections.

Crown is not liable for damage incurred when any transducer or compo nent

is over driven.

THE CHANNEL 2 AND 4 INPUT IS IGNORED by default in Bridge Mono

mode. It can be summed using the input source selector.

For additional information on audio input wiring please refer to the Crown

Ampliﬁer Application Guide available online at www.crownaudio.com. It

contains helpful information on preventing unwanted subsonic frequen cies,

radio frequency interference, ground loops, and feedback oscillation.

When using network connections, pass the CAT 5 cable ﬁve times through a

ferrite core (Figure 2.4), available from Crown Audio Inc. This is to ensure

compliance with emission regulations.

2 Setup

Figure 2.3 Power Connector

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powerCON

Figure 2.4 Pass the CAT 5 Cable Five Times Through the Ferrite Core

1 2 3 4 5 6 7 8 9 10 11 12 ... 71 72

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