Hifonics INDUSTRIA HFI250A MKII Betriebshandbuch - Seite 6
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INDUSTRIA SERIES
ACTIVE BASSREFLEX SUBWOOFER SYSTEM
ENG
FUNCTIONS AND OPERATIONAL CONTROLS
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The LINE INPUT RCA jacks must be connected with the RCA output jacks of the headunit.
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The POWER LED lights up when the soundsystem is turned-on and ready for operation.
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The PHASE Switch allows to shift the phase from 0° to 180. By changing the acoustic phase you are able to adjust the subwoofer
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according to the vehicle's sound characteristics and the loudspeaker system.
The High Level Input is suitable to connect the speaker outputs of the headunit, if no pre-amplifier RCA outputs are available. Never
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use the High Level Input and the RCA inputs at the same time. This may damage the amplifier seriously. Please observe by any means
the correct polarity of all connections.
The LOW PASS controller adjusts the cut-off point of the frequency range to above. This means all mids and highs will be eliminated
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in the audio signal. The cut-off frequency is continuously adjustable from 40 Hz to 200 Hz.
The BASS BOOST controller adjusts the bass boost enhancement continuously from 0dB to +18dB at 45 Hz.
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The LEVEL controller adjusts the input sensitivity and allows to control the output level of the subwoofer.
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REFERENCE NOTE
Never use the High Level Inputs and the RCA inputs at the same time. This may damage the amplifier's
electrical circuit seriously.
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