Bedienungsanleitung Crunch dsx4500 (Seite 26 von 32) (Deutsch, Englisch)

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DSX4500

INTERCONNECTION EXAMPLE 2-Channel Mode: 2 x Mono Subwoofer bridged

INTERCONNECTION

• Connect the RCA lineouts of the headunit with the RCA jacks LINE INPUT. All LINE INPUT jacks must be connected (CH1/CH2/CH3/CH4).

Therefor you need to use two Y-connectors to splice the audio signal. If a separate SUB OUT from your headunit is available, use this

as LINE OUT.

• Connect the subwoofers with the SPEAKER OUTPUTS CH1/2 + BRIDGED - and CH3/4 + BRIDGED -.

• Ensure by any means, that the total impedance load of all subwoofers per channelpair is not lower than 4 ohms. Too low impedance

cause high temperature and will shut down the amplifier operation.

• Always ensure the correct polarity of the speakers. The interchange of plus and minus cause total loss of bass playback and could

damage the speakers.

CROSSOVER SETTINGS CH1/2 & CH3/4 (SUBWOOFER 1 & SUBWOOFER 2)

• In the mono/subwoofer mode the X-OVER switch must set to the LP/BP position (Lowpass/Bandpass mode), thereby the higher

frequencies will be eliminated. The cut-off frequency ist adjustable with the LOW PASS controller and should be set between

60 to 100 Hz, depending on the size of the subwoofer.

• In the lowpass mode (LP/BP) the HIGH PASS controller works also as subsonicfilter, that eliminates the ultra-low, not hearable and

harmful frequencies to generate a bandpass signal (Bandpass mode). The subsonic frequency should be set between 15 to 40 Hz,

depending on the size of the subwoofer. NOTE: If this value is higher than the lowpass setting, no sound is hearable.

LEVEL CONTROLLER CH1/2 & CH3/4 (SUBWOOFER 1 & SUBWOOFER 2)

• Turn the INPUT LEVEL controller of the amplifier to the 6V position.

• Turn the volume controller of the headunit to 80 - 90% of its full setting.

• Turn the INPUT LEVEL controller clockwise until you hear some distortion.

• Then turn back the INPUT LEVEL controller slightly until you hear a cleaner sound.

BASS BOOST CONTROLLER CH1/2 & CH3/4 (SUBWOOFER 1 & SUBWOOFER 2)

• The BASS BOOST controller adjusts the bass enhancement between 0db and +12dB.

• A too high bass boost may cause clipping/distortion and damage on the loudspeakers and also may harm your hearing abilities.

Use this controller carefully!

Connect Stereo RCA output (L/R or SUB OUT)

of the headunit with the LINE INPUT L/R of

the amplifier by using two Y-connectors

Subwoofer 1

4 – 8 Ohms

LINE INPUT OUTPUT

CH1/CH2

CH3/CH4

LOW PASS

BASS BOOST

INPUT LEVELHIGH PASS

X-OVER

LP/BP FULL

LOW PASS

BASS BOOST

INPUT LEVELHIGH PASS

X-OVER

LP/BP FULL

CH1 CH3

CH2 CH4

30Hz

150Hz

0dB 12dB

0.2V

10Hz

150Hz

30Hz

150Hz

0dB 12dB

0.2V

10Hz

150Hz

POWER INPUT

GND REM

SPEAKER OUTPUT

CH1 CH2 CH3 CH4

BRIDGED BRIDGED

FUSE

12V

L R

Switch position LP/BP

Switch position

LP/BP

Y-Connectors

Subwoofer 2

4 – 8 Ohms

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