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Setting the High-Pass Filter
The High Pass Filter lets you adjust the bass roll-
off of your DSM3 speakers. Start with the filter
all the way open (40 Hz setting) and only raise
the cutoff frequency in order to protect the LF
drivers at low frequencies, or to couple your
DSM3 speakers with a subwoofer.
To adjust the High Pass Filter:
Set switches 7 and 8 to the positions shown
below to activate the corresponding EQ levels.
7
8
ON
ON
ON
ON
High-Pass Filter switches and settings
Setting the Desktop Filters
The Desktop filters let you compensate for the
effects of frequency buildup when your DSM3
speaker is placed on a reflective surface such as a
desktop or meter bridge, or within a reflective
surface such as a shelf or case. Experiment with
the EQ options centered around 175 Hz, 200 Hz
(by using the 175 Hz and 220 Hz filters at the
same time), or 220 Hz.
O
F
F
40 Hz
O
F
F
60 Hz
OFF
OFF
80 Hz
100 Hz
To adjust the Desktop 220 Hz Filter:
Set switches 9 and 10 to the positions shown
below to activate the corresponding EQ levels.
9
1
0
ON
ON
ON
ON
Desktop 220 Hz Filter switches and settings
To adjust the Desktop 175 Hz Filter:
Set switches 11 and 12 to the positions shown
below to activate the corresponding EQ levels.
11
12
ON
ON
ON
ON
Desktop 175 Hz Filter switches and settings
Chapter 3: Setup and Operation
O
F
F
0 dB
O
F
F
–
1.0 dB
OFF
OFF
–
2.0 dB
–
3.0 dB
O
F
F
0 dB
O
F
F
–
1.0 dB
OFF
OFF
–
2.0 dB
–
3.0 dB
15
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