MartinLogan 212 Speaker User Manual


 
28 Connections
settings—Crossover: 70Hz, High-Pass: 12dB, and Low-Pass:
24dB. The optimal setting for these options may vary depend-
ing on your room and listening preferences. Experiment and
listen for what sounds best to you.
7 If you have completed steps 1–5 and still have weak or
booming bass consider adjusting the 25Hz Level knob to
compensate for these anomalies. Experiment with the controls
and listen to the result. Try to find a position that sounds cor-
rect to you. Experiment by changing the Level control while
adjusting this knob. Find a position that gives you deep
extended bass and good blending with your main speak-
ers. If you still have weak or booming bass you may want to
move your subwoofer’s location and go through these setup
steps again (especially if the sub is located in or near a room
corner). Remember, room position has a major impact on
overall bass performance.
Using Speaker Level Inputs
This connection method is recommended if your subwoofer will
be used in a 2-channel only system with full-range front loud-
speakers. To connect using Speaker Level Input the speaker
cable should be terminated using banana style plugs. The Low-
Pass Filter knob is applied to the signal received through these
inputs. If the Custom Low-Pass button is activated it will override
the Low-Pass Filter knob.
Speaker Level Inputs are an alternative to using RCA or XLR inter-
connects. If you use the Speaker Level Inputs do not use RCA or
XLR at the same time for Left In / Right In connections. If you use
the Speaker Level Inputs it is okay to still use RCA or XLR for the
LFE connection.
Connect the left and right outputs of your amplifier to the sub-
woofer’s Speaker Level Input (Left In/Right In). Use quality
speaker cable and banana plugs. Be consistent and make sure
the + and – terminals from your amplifier are attached to the
matching + and – terminals on the subwoofer.
If your amplifier only has one set of outputs you may connect
your amplifier to your speakers as normal and run an addition-
al set of cables from your speakers to the subwoofer’s Speaker
Level Input.
English
Figure 14. Using speaker level inputs.