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The frequency chart below lists some terms commonly
used to describe different bands of the frequency
spectrum. Listen to your system and make adjustments
to achieve a seamless blend between your main
speakers and the Ten or Twelve. Four common problems
are outlined below. Follow the flow chart to correct these.
See the glossary for any terms you are unfamiliar with.
Fine Tuning the Subwoofer
The key to good subwoofer / speaker integration is
repeated listening, followed by making small re-adjust-
ments of the subwoofer controls. The most important
bass tuning functions you will control are the LOW-PASS
FILTER, followed by the VOLUME CONTROL settings
and then PHASE SELECTOR.
Frequency Chart
Low Bass Mid Bass Upper Bass Lower Mid Mid Upper Mid High
Below 50Hz 50Hz-100Hz 100Hz-180Hz
3K and above
180Hz-300Hz 300Hz-700Hz 700Hz-3K
"Boomy"
Too Much
Mid / Upper
Bass
Problem
Solution
Lacks
Low
Bass
Weight
Excessive
Low
Bass
Weight
Lacks
Mid / Upper Bass:
Lean But With
Weight
Fine Tuning Flow Chart
Lower
Low Pass
X-Over
Frequency
Increase
Boundary
EQ
Decrease
Boundary
EQ
Adjust
Subwoofer
Volume
Listen
If this makes
it worse,
try
If the sound
improves
Raise
Low-Pass
Setting
Adjust
Subwoofer
Volume
Adjust
Subwoofer
Phase
Listen
Lower
Subwoofer
Volume
Move
Subwoofer
Closer to
Wall
Move
Subwoofer
Farther
From Wall
Adjust
Subwoofer
Phase
0-90
(Continuously
Add)
Adjust
Subwoofer
Phase
0-90
(Continuously
Add)
Adjust
Subwoofer
Phase
Switch
0-180
Listen
Listen
Listen