DB Drive Euphoria M2750 Benutzerhandbuch - Seite 7

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Built-in Crossover

( 4 Channel: F475, F4100 )

The DB Drive Euphoria 4 channel ampli ers (F475 and F4100) feature a 12db Slope crossover

network. Channels 1 and 2 can be used in the High pass setting or full range and channels 3 and

4 feature a selectable 3 way crossover system that can be used in High pass, Bandpass or low

pass settings.

Adjustments and Settings

The F475 and F4100 ampli ers are equipped with a variable crossover network that allows you to

select the crossover mode (Highpass—Full Range) and desired crossover point for channels 1

and 2. With a High Pass range between 50Hz and 4 KHz, channels 1 and 2 can be used with a

component tweeter or any type of full range speaker requiring High Pass ltering. Channels 3

and 4 allow you to select between a 3 way completely variable High pass Bandpass or Low pass

setting that can be con gured in many di erent ways allowing the user set up the perfect audio

system.

For example if you wish to drive a pair of subwoofers on channels 3 and 4 in the bridged mode,

you can select the LP switch settings on the ampli er to lter out the high frequencies. You will

then need to adjust the Lowpass control to the desired frequency setting. This will only send low

frequencies to your subwoofers. If you wish to use the Bandpass crossover lter you must set the

x-over push button switch settings to BP. Once the BP switch setting is selected you will use both

the Lowpass and Highpass controls to lter out the unwanted low and high frequencies to create

the desired Bandpass lter. (The Bandpass crossover is available on only channels 3 and 4) To use

the Highpass lter select the x-over push button switches to the HP setting, this will lter out any

unwanted low frequencies.

( Mono: M750, M1500, M2250, M2750)

The M750, M1500, M2250 and M2750 are equipped with a variable 24db slope

Lowpass crossover network and a 24db slope subsonic lter. The mono amps also

feature a variable Bass Boost EQ is set at 45Hz.

In some subwoofer enclosure installations it may necessary to use the Phase Shift

feature. The Phase Shift button sets the Subwoofer signal between 0 degree

setting and 180 degree settings. This will also allow you to ne tune the subwoofer

enclosure depending on vehicle location.