Use Your Power Amplifier; Select Crossover Frequency Mode; Adjust Frequency; Adjust Input Level - Philips Cmp400/55 User Manual

4 Use your power
amplifier
Select crossover frequency
mode
You can select crossover frequency mode as
below:
HPF
Select this mode when mid-
(high- range speakers and tweeters are
pass-filter) connected for high frequency
mode output.
LPF (Low-
Select this mode when woofer
pass-filter) and subwoofer is connected for
mode low frequency output.
OFF (flat)
Select this mode when tri-mode
mode speaker connection is used.
1
Slide HPF/OFF/LPF to the selected
positon.

Adjust frequency

You can adjust frequency of HPF or LPF from
30HZ to 400Hz.
Note
•
When the HPF/OFF/LPF switch is set at OFF
position, the frequency adjustment does not
work.
EN
10
1
Rotate FREQ to select frequency.

Adjust input level

You can adjust the input voltage from 0.3V to 6V.
1
Rotate INPUT LEVEL to adjust input
voltage.

Adjust bass boost

You can punch extra bass for 0 to 12dB.
1
Rotate BASS BOOST to punch for extra
bass.
About the protector
indicator
The amplifier has a built-in protection circuit to
protect the transistors and speakers when:
• The unit is overheated. Or
• A DC current is generated. Or
• The battery voltage is over low or
over high. Or