High Pass And Low Pass Filters (Pages 6 And 7) - Klark Teknik DN9848 Operator's Manual

To apply a 1st order phase adjustment in relation to a chosen frequency
1
Step to the All-Pass page shown right.
2
Turn the right-hand knob to enable a 1st (90
order shift.
3
Turn the left-hand knob to the required
frequency.
To apply a 'shaped' phase transition at a chosen frequency
1
Step to the All-Pass page.
2
Turn the right-hand knob to enable a 2nd (180
order shift.
3
Turn the centre knob to select the Q (slope) and
the left-hand knob to select the frequency.
6.2.6

High Pass and Low Pass Filters (Pages 6 and 7)

The DN9848 provides the following high and low pass filter (HPF and LPF) options for cross-over
purposes:
Butterworth
Bessel
Linkwitz Riley
Peaking (HPF only)
Bypass
To add a high/low pass filter to output processing
1
Step to the HPF or LPF page, as required (see right).
2
Use the left-hand knob to specify the cut-off
frequency.
3
Use the centre knob to select the filter type and the
right-hand knob to set the slope/gain. (The right-
hand parameter switches between slope and gain,
dependent on the filter type).
To bypass the high/low pass filter processing
1
Step to the HPF or LPF page, as required.
2
Turn the centre knob anti-clockwise to 'Bypass'. The last selected values for each type of filter
are retained in the background for easy recall.
6, 12, 18, 24, 36 and 48dB / Octave
12, 18, 24, 36 and 48dB / Octave
12 and 24dB / Octave
12 and 24dB / Octave 0-6dB Gain
No Filter
Output Channels
º
)
º
)
15