HELIX D FOUR

18
4-channel
2-way fully active operation
Left Right
Left Right
Tweeters
Mid/bass
Examples for speaker congurations
Note: The values listed here are empirical values that have been approved as useful in practice. Depending on the size of the loudspeaker
we recommend the following highpass lter settings: ca. 50 Hz for 6.5”/16.5 cm LS; ca. 70 Hz for 5.25”/13 cm LS; ca. 100 Hz for 4”/10 cm LS
4-channel
Component system
+ coaxial system
Left Right
Left Right
Front
Rear
3-channel
Component system
+ subwoofer
Left Right
Subwoofer (C/D bridged)
Front
Channel A/B
Highpass lter
HPF
Channel C/D
Highpass lter
50 - 100 Hz
HPF
50 - 100 Hz
Channel A/B
Highpass lter
HPF
Channel C/D
Bandpass
ca. 3,500 Hz
LPF
Lowpass lter
ca. 3,500 Hz
Highpass lter
50 - 100 Hz
Channel A/B
Highpass lter
Highpass lter
ca. 15 Hz
HPF
Channel C/D
Bandpass
LPF
Lowpass lter
ca. 80 Hz
50 - 100 Hz