MartinLogan Monolith III Speaker User Manual


 
Page11
Monolith III User's Manual
eliminate the negative effects of time
delay (also referred to as group delay)
that occurs when a signal passes
through two dissimilar amplifiers. The
very nature of vertical bi-amping
dictates that both amplifiers be identical.
With
horizontal bi-ampinghorizontal bi-amping
horizontal bi-ampinghorizontal bi-amping
horizontal bi-amping, one
amplifier drives the high-pass section
while the second amplifier drives the
low-pass section. To
horizontally bi-horizontally bi-
horizontally bi-horizontally bi-
horizontally bi-
amp amp
amp amp
amp your Monoliths you must remove
the jumpers from the AMPLIFIER SIGNAL
binding postsof the IIIp INTERFACE.
Connect the low frequency amplifier to
the
LO+LO+
LO+LO+
LO+ and
LO-LO-
LO-LO-
LO- AMPLIFIER SIGNAL
binding posts of each IIIp INTERFACE.
Connect the high frequency amplifier to
the
HI+HI+
HI+HI+
HI+ and
HI-HI-
HI-HI-
HI- binding posts. Next
connect the left and right preamplifier
outputs to the appropriate left and right
inputs of both amplifiers. See
Figure
3a
.
With
vertical bi-ampingvertical bi-amping
vertical bi-ampingvertical bi-amping
vertical bi-amping, each of the
stereo amplifiers is dedicated to one
speaker. For instance, the left channel
of each amplifier drives the low -pass
section while the right channel drives
the high-pass section. To
vertically bi-vertically bi-
vertically bi-vertically bi-
vertically bi-
amp amp
amp amp
amp your Monoliths, you must remove
the jumpers from the AMPLIFIER SIGNAL
binding posts of each IIIp INTERFACE.
Start by connecting the left amplifier
channel of amplifier #1 to the
LO+LO+
LO+LO+
LO+ and
LO-LO-
LO-LO-
LO- binding posts and the right
amplifier channel of amplifier #1 to the
HI+HI+
HI+HI+
HI+ and
HI-HI-
HI-HI-
HI- binding posts of the IIIp
INTERFACE. Then repeat the same
procedure for the other speaker with
amplifier #2. Connect the left preampli-
fier outputs to both inputs of the left
channel amplifier (#1) and the right
preamplifier outputs to both inputs of
the right channel amplifier (#2). See
Figure 3b
.
Figure 3bFigure 3b
Figure 3bFigure 3b
Figure 3b: Vertical passive bi-amplification connection for the
MONOLITH IIIp
.