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Bi-Amplification Connections
Bi-Amplification allows the best performance when using dedicated amplifiers for low- and mid-to-high-frequency sections. There are two
possible configurations, commonly referred to as horizontal and vertical bi-amping.
Caution
Remove the shorting links before connecting speaker cables in bi-amplifications connections. Failure to do so may result in damage to your
amplifiers.
Vertical Bi-Amping
With this configuration, identical stereo amplifiers are used for
each speaker system. One channel of each amplifier drives the
low frequency section and the other channel drives the high
frequency section, as shown below.
Connect one set of wires and amplifier channel to the bottom set
of binding posts (bass driver-specific network).
Then connect a second set of wires and the other amplifier
channel to the top binding posts (CST-specific network).
Take care to connect both (+) wires to the (+) amplifier terminals
and both (–) wires to the (–) amplifier terminals.
Horizontal Bi-Amping
With this configuration, you may use different stereo amplifiers for
the low- and mid-to-high-frequency sections of the speaker system
(e.g., tube amplifiers for high frequency and solid state for low
frequency). Each channel of one amplifier drives the low-
frequency section of each speaker system and each channel of
the other amplifier drives the mid-to-high-frequency section, as
shown below.
This method requires that both amplifiers have the same gain;
otherwise an imbalance will be heard between the low- and mid-
to-high-frequency reproduction from the speaker system. If in
doubt, please consult your local dealer.
E
AKER
S
OUTPU
T
INP
UT
OUTPUT
UT
INP
UT
h.1
Ch.
2
OU
TP
UT
Speaker (rear) Input panel
(Onl
y
one channel shown
)
Speaker
Power am
p
(
rear
)
(Commercially-
available Y-adaptor)
Pre-am
p
(rear
)
HF
HF
LF
LF
SPEAKERS OUTPUT
INP
UT
SPEAKERS OUTPU
T
INP
UT
OUTPUT
UT
OU
TP
UT
Power am
p
(rear
)
(Low fre
q
uenc
y)
Power am
p
(rear
)
(Hi
g
h fre
q
uenc
y)
(Only one channel shown)
hlh)
(O l
(Only one channel shown)
hlh)
(Only one channel shown)
Ol h l h )
(Commercially-available
Y-adaptor)
Speaker (rear) Input panel
Speaker
Pre-am
p
(rear
)
HF
HF
LF
LF
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