MartinLogan Monolith III, User Manual

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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-amping horizontal bi-amping
horizontal bi-amping horizontal 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-amping vertical bi-amping vertical bi-amping vertical 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 3b Figure 3b
Figure 3b Figure 3b Figure 3b: Vertical passive bi-amplification connection for the MONOLITH IIIp .