10
How to Connect for Stereo
hole, and tighten the terminal cap until the cable is
firmly clamped into the terminal so the wires cannot
slip out. Refer to figures 4, 5 & 6.
Banana plug connection:
Insert the banana plug into the hole at the top of the
terminal. Tighten the top portion of the terminal post
and the set screw to secure the banana plug in place.
Note: The Banana Plugs are for use in the United States
and Canada only.
4. Remove the five screws from the MC402 Chassis Rear
Panel and Left Side. Retain these screws for later use.
Refer to figure 7.
5. Insert the Loudspeaker Hookup Cable Ends through
the openings of the supplied Terminal Connections
Cover and connect to the output terminals that match
the Loudspeakers’ Impedance, being careful to observe
the correct polarities. Output impedance connections of
2 ohms, 4 ohms and 8 ohms are provided. If the Loud-
speakers’ Impedance is in-between the available con-
nections, use the nearest lower impedance connection.
WARNING: Loudspeaker terminals are hazardous live
and present a risk of electric shock. For
additional instruction on making
Loudspeaker Connections contact your
McIntosh Dealer or McIntosh Technical
Support.
6. Attach the Terminal Connections Cover, with the five
previously removed screws, to the Rear Panel of the
MC402 Amplifier. Refer to figure 7.
7. Connect the MC402 power cord to an active AC outlet.
Caution: The supplied AC Power Cord should not be
connected to the Rear Panel of the MC402
Amplifier until after the Loudspeaker Connections
have been made and the supplied protective
Terminal Connections Cover has been installed.
Failure to observe this could result in Electric
Shock.
1. For Remote Power Control, connect a power control
cable from the Audio Control Center or Preamplifier
Power Control Out to the MC402 Power Control In.
2. Connect cables from the Balanced Outputs of a McIn-
tosh Preamplifier or Control Center to the MC402 Bal-
anced Inputs.
Note: An optional hookup is to use unbalanced cables.
3. Prepare the Loudspeaker Hookup Cables that attach to
the MC402 Power Amplifier by choosing one of the
methods below:
Bare wire cable ends:
Carefully remove sufficient insulation from the cable
ends, refer to figures 1,
2 & 3. If the cable is
stranded, carefully twist
the strands together as
tightly as possible.
Note: If desired, the twisted ends can be tinned with
solder to keep the strands together, or attach spade
lug and/or banana connector.
Spade lug or prepared wire connection:
Insert the spade lug
connector or pre-
pared section of the
cable end into the
terminal side access
Cover
Mounting
Screw
Locations
Cover
Mounting
Screw
Locations
Terminal
Connections
Cover
Cable Openings
Figure 7
Cover
Mounting
Screw
Location
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