MartinLogan Aeon i [6/24] Active bi amplification

MartinLogan Aeon i [6/24] Active bi amplification
Right Amplifier
speaker output
With horizontal bi-amping, one amplifier drives the high
pass (ESL) section while the second amplifier drives the
low pass (WOOFER) section. To horizontally bi-amp your
Aeon i’s you must loosen the binding posts and remove the
jumper clips. Connect the low frequency amplifier to the
lower set of binding posts of both speakers. Connect the
high frequency amplifier to the upper set of binding posts.
Next, connect the left and right preamplifier outputs to the
appropriate left and right inputs of both amplifiers (see
figure 3).
Vertical Passive Bi-Amplification
The very nature of vertical bi-amping dictates that both
amplifiers be identical. With 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 (WOOFER) section while the right channel drives the
high pass (ESL) section. To vertically bi-amp your Aeon i’s
you must loosen the binding posts and remove the jumper
clips from both speakers. Starting with one speaker, connect
the right channel to the lower binding posts and the left
channel to the upper binding posts. Repeat the same pro-
cedure for the other speaker. Connect the left preamplifier
outputs to both inputs of the left channel amplifier and the
right preamplifier outputs to both inputs of the right chan-
nel speaker (see figure 5).
We do not recommend active bi-amplification of the Aeon i.
The internal crossover can not be bypassed. This connection
method seriously degrades the Aeon i’s performance.
Turning the NAC
TM
On/Off
Your Aeon i loudspeakers are equipped with a NAC (natural
ambience compensation) driver located on the back of the
Aeon i’s cabinet. To turn the NAC on or off, gently insert a
narrow object such as a pen or pencil into the small hole
located beneath the NAC’s perforated screen (see figure
4) For more information on the NAC please see the
‘MartinLogan Exclusives’ section of this manual (page 17).
Figure 3. Horizontal passive bi-amplification. One channel shown.
High Amplifier
Low Amplifier
ESL
Woofer
Jumper clips
removed
Figure 5. Vertical passive bi-amplification. One channel shown.
A EON
TM
i
Active Bi-Amplification
Figure 4. Turning the NAC on/off.
6 Operation
right speaker output left speaker output
right speaker output left speaker output
Left Amplifier
ESL
Woofer
Jumper clips
removed
A EON
TM
i
speaker output

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