HELIX PP50 DSP

22
MODE/DIP switches functionalities
Functionality of the MODE/DIP-Switches
with the „factory setup“
Speaker load front / rear channels
Switch 1 OFF = 4 Ohms ON = 2 Ohms
(Subwoofer channels can always handle 2 Ohms
loads)
Subwoofer mute
Switch 2
OFF = Subwoofer activated
ON = Subwoofer deactivated
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Switch 3 Switch 4
OFF OFF = amp. gain +/- 0 dB
OFF ON = amp. gain + 4 dB
ON OFF = amp. gain - 2 dB
ON ON = amp. gain + 2 dB
Filter settings for front / rear channels
Switch 5 ON = + 3dB at 16 kHz
Switch 6 ON = - 5dB at 4,5 kHz Q=3,5
Switch 7 ON = - 5dB at 1,8 kHz Q=7
Switch 8 ON = + 4dB at 1 kHz Q=4
Switch 9 ON = - 5dB at 200 Hz Q=7
Switch 10 ON = + 3dB at 60 Hz
Time alignment
Switch 11 Switch 12
OFF OFF = deactivated
OFF ON = small cars
ON OFF = mid sized cars
ON ON = large cars
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Switch 13 Switch 14 cutoff frequency
OFF OFF = linear
OFF ON = 100 Hz / 12 dB
ON OFF = 75 Hz / 12 dB
ON ON = 50 Hz / 12 dB
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Switch 15 Switch 16 cutoff frequency
OFF OFF = linear
OFF ON = 100 Hz / 12 dB
ON OFF = 75 Hz / 12 dB
ON ON = 50 Hz / 12 dB
Subwoofer
Switch 17 OFF = 12 dB slope
ON = 24 dB slope
Switch 18 Switch 19 Switch 20 cutoff freq.
OFF OFF OFF = linear
OFF OFF ON = 120 Hz
OFF ON OFF = 100 Hz
OFF ON ON = 90 Hz
ON OFF OFF = 80 Hz
ON OFF ON = 70 Hz
ON ON OFF = 60 Hz
ON ON ON = 50 Hz
The PP50 DSP MODE/DIP switches can be used to set basic functions. Major DSP settings can be activa-
ted and changed using the switches.
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tions change.
Important: If you use front or rear loudspeakers with an impedance of 2 Ohms, make sure that
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