12
How to Connect Using Two Ampliers
Caution: The AC Power Cord should not be connected
to the Amplifier until after the Loudspeaker
Connections have been made. Failure to observe
this could result in Electric Shock.
Note: When the ML1 Loudspeaker System is driven by two
amplifiers, the output levels of different model amplifiers
connected to the Loudspeaker System must be adjusted to
achieve a proper balance between the low and midrange/
high frequencies reproduced. This adjustment is best
achieved through the use of audio test equipment operated
by a qualified installer.
When connecting a ML1 Loudspeaker to two amplifi-
ers it is very important to use cables of adequate size,
so there is little to no power loss in the cables. The
size is specified in Gauge Numbers or AWG (Ameri-
larger the wire size:
Loudspeaker Cable Distance vs Wire Gauge Guide
Loudspeaker
Impedance
25 feet
(7.62 meters)
or less
50 feet
(15.24 meters)
or less
100 feet
(30.48 meters)
or less
2 Ohms
12AWG 10AWG 8AWG
4 Ohms
14AWG 12AWG 10AWG
8 Ohms
16AWG 14AWG 12AWG
Prepare Loudspeaker cables
using the instructions below:
1.
insulation from the cable
the cable is stranded, carefully twist the strands
together as tightly as possible.
Notes: 1. If desired, the twisted ends can be tinned with solder to
keep the strands together.
2. The prepared bare wire cable ends may be inserted into
sp
a
de lug connectors.
2. Remove the ML1 metal jumpers between the
terminals. Retain them for possible future use.
Select from the following options to connect the ML1:
Banana Plugs:
Caution: Banana Plugs are for use in the United States
and Canada only:
3. Attach the prepared bare wire cable
ends into the banana plugs and secure
4. Rotate the top of the Output Terminal
McIntosh Wrench, rotate the top of
the Output Terminal one quarter of a
Do not over tighten.
5.
the Loudspeaker hookup cables with banana
plugs into the hole at the end of the ML1 LOW
Then connect cables to the
ML1 HIGH/MID Negative
Terminals.
Note: It is important to maintain the correct polarity at both ends
of the Loudspeaker cables.
6. Connect cables from the ML1 LOW Terminals
Two. Then connect cables from the ML1 HIGH/
7. Connect the other Loudspeaker in a similar
manner to the Right Channel Output Terminals
Figure 1
Figure 4
Figure 3
Spade Lug or Wire Connections:
3. Referring to the illustration connect the
Loudspeaker hookup cables to the ML1 Negative
Terminal. Insert the spade lug connector or
prepared section of the cable end into the Input
Terminal side access hole, and tighten the Input
into the terminals so the lugs or wire cannot slip
Note: It is important to maintain the correct polarity at both ends
of the Loudspeaker cables.
4. Connect cables from the ML1 LOW Terminals
Two. Then connect cables from the ML1 HIGH/
5. Connect the other Loudspeaker in a similar
manner to the Right Channel Output Terminals
Figure 2
Figure 5
Figure 6
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