ARC Audio X2 450.4 Руководство пользователя - Страница 5
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Load Impedance
All ARC Audio Amplifiers are designed as voltage-based
Power Amplifiers. This means, the amount of power produced
to the speaker is dependent on the impedance of that
speaker. Reducing the impedance of the speaker will increase
the amount of power produced by the amp, within certain
design limits. This amplifier can run different impedance
speaker loads on the front and rear channels simultaneously.
Any speaker or combination of speakers with a total combined
impedance between 2 and 4 Ohms can be used on any single
channel of this amp. Bridged loads must not drop below 4
ohms but my exceed 8 Ohms if needed. High-impedance loads will not damage the amplifier, however, power output will
be decreased.
WARNING: This amplifier will not operate and could be damaged if used in the wrong configuration. At no time should it
be operated below 2 Ohms Stereo or 4 Ohms Bridged per pair of channels.
Speaker Output Connections
This amplifier features a multi-channel design. This means,
it has more than one pair of speaker outputs. It is equipped
with set of removable plug-style terminals for speaker wire
connections up to 14 AWG in size. Make these connections
carefully and neatly. Strip the wire back 5/16", twist the
exposed leads together tightly, and insert them into the block
terminal while being careful that there is no loose or frayed
strands of wire touching adjacent wires or connections.
Tighten the flat-head set screw on the terminal until the wire
is held in place securely. The amplifier will go into protection if
the wires ever come in contact
5
/
16 "
Check your load impedance before making speaker
8MM
connections.
Strip Speaker Wire
Auto Detect Turn-On
The X2 450.4 features two Auto-Detect Turn-On modes. In DC
Detect mode, the amplifier monitors the Channel 1 RCA input
for the presence of a DC offset voltage (common with Bridge
Tied Load (BTL) source units and amplifiers. When this DC
voltage is present, the amp will turn itself on.
When set to Signal Detect, the X2 450.4 monitors the Channel
1 RCA input for the presence of an audio signal. When an
audio signal is present, the amp will turn itself on.
The amp automatically turns off 10 seconds after the DC
Auto-Detect Monitors
Detect or Signal Detect no longer sees an appropriate signal.
Channel 1 ONLY
When using either Auto-Detect mode, only the Channel 1
input is monitored.
The Turn On input on the power terminal block is NOT
used when Auto Detect is turned on.
Not Used with
Auto-Detect
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