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Quest User's Manual
Figure 4Figure 4
Figure 4Figure 4
Figure 4. Vertical passive bi-amplification. One channel shown.
BI-WIRE/BI-AMPBI-WIRE/BI-AMP
BI-WIRE/BI-AMPBI-WIRE/BI-AMP
BI-WIRE/BI-AMP
Active Bi-AmplificationActive Bi-Amplification
Active Bi-AmplificationActive Bi-Amplification
Active Bi-Amplification
Amplifier
INPUT
INPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
Preamplifier
0dB
-3dB
-6dB
20Hz
200Hz
Flat
-3dB
Effects of the
Bass Contour SwitchBass Contour Switch
Bass Contour SwitchBass Contour Switch
Bass Contour Switch
Effects of the
Presence Contour Presence Contour
Presence Contour Presence Contour
Presence Contour
SwitchSwitch
SwitchSwitch
Switch
0dB
+2dB
-2dB
20kHz100Hz
2.5kHz
+2dB
Figure 5.Figure 5.
Figure 5.Figure 5.
Figure 5.
Effects of the Contouring Switches
for most rooms. However, if you feel that the bass in your
system is too strong relative to the mid-range and high
frequencies, simply select the
-3 dB-3 dB
-3 dB-3 dB
-3 dB position. This switch
position will attenuate the woofer response by 3 decibels
below 200Hz. With the
FlatFlat
FlatFlat
Flat position selected, the Bass
Contour circuit is removed from the audio signal path,
thereby eliminating any possibility of signal degradation
caused by added circuitry.
Presence Contour Switch.Presence Contour Switch.
Presence Contour Switch.Presence Contour Switch.
Presence Contour Switch.
The
Presence Contour Presence Contour
Presence Contour Presence Contour
Presence Contour switch is also a two-position
switch that allows you to tailor the mid-range response
(presence) of the Quest. The
Flat Flat
Flat Flat
Flat position is considered the
normal setting for most rooms. However, if you would like
more presence, select the
+2dB+2dB
+2dB+2dB
+2dB position. This switch
setting will cause a 2 decibel rise centered around 2.5kHz.
With the
Flat Flat
Flat Flat
Flat position selected, the rise is eliminated.
Please refer to the graphs in
Figure 5
showing how these
switch settings effect the response of the Quest.
Some experimentation with these two switches will allow
you to find the optimal tonal balance to meet your specific
tastes, room environment and audio equipment.
The passive crossover elements in the Quest are very
complex electrical devices with unique voicing and equal-
ization. They cannot be replaced with a standard electronic
crossover. If, at some time, a properly designed electronic
crossover for the Quest
becomes available from Martin-
Logan, the owner of warranty will be sent notification.
Contouring SwitchesContouring Switches
Contouring SwitchesContouring Switches
Contouring Switches
Because of the wide variety of room environments, record-
ing techniques and customer preferences that we feel are
important issues for today's premier loudspeaker designers
to address, we have provided the Quest with two switches
that will give you more flexibility and control over the final
sound.
Bass Contour Switch.Bass Contour Switch.
Bass Contour Switch.Bass Contour Switch.
Bass Contour Switch.
The
Bass ContourBass Contour
Bass ContourBass Contour
Bass Contour switch is a two-position switch that
allows you to tailor the low frequency response of the
Quest. The
Flat Flat
Flat Flat
Flat position is considered the normal setting