MartinLogan Depth I, User Manual

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Multi-Channel Mode
This setup is recommended if you will use your subwoofer
in a dedicated home theater or multi-channel system. When
a signal is connected to the subwoofer’s LFE In, the Low
Pass Filter control is NOT active. Your processor handles
most of the bass management.
Signal Connection (see figure 6—RCA shown):
1 Connect the LFE out of the processor to the LFE In.
WARNING!
Based on the performance of most processors,
it is recommended that MartinLogan center
and effects type speakers (i.e. Stage, Cinema,
Theater, and Script i) not be run in large, wide or
full range mode. Doing so may potentially dam-
age the speaker if the processor attempts to drive
the speaker beyond its rated frequency range.
This warning also applies to products from other
manufacturers.
It is recommended to run center and effects type
speakers in limited or narrow mode.
Recommended Control Settings (see figure 7):
1 With multi-channel source material playing, adjust the
Level control to your preferred level.
2 Try the phase control in different settings until the best
blending is obtained. If you are using the subwoofer to
augment other MartinLogan products, we suggest start-
ing with the phase set at 90°.
3 If you have completed steps 1–2 and still have weak
or boomy bass, adjust the 25Hz Level knob to com-
pensate for these anomalies. Increase and decrease to
controls and listen to the effects. Try to find a position
that sounds correct to you. Experiment by changing the
Level control while adjusting these knobs. Find a position
that gives you deep extended bass and good blending
with your main speakers.
4 Follow the bass management setup instructions in your
processor manual to fine-tune the subwoofer level.
Figure 6 . Signal connection for multi-channel mode.
Figure 7 . Control settings for multi-channel mode.
10 Controls and Connections