9
• Rotate the end of the Output Terminal Post
counterclockwise until an opening appears
(Figure 08)
• Remove the two Cover Screws from the rear
of the MC901. These will be used to secure
the Terminal Connection Cover (Figure 10 on
page 9). The Terminal Connection Covers
ship unsecured and the screws are in place
• Insert the Loudspeaker Hookup Cable through
the Cover Opening of the Output Terminal
Cover (Figure 11). Choose the opening that
will be closest to the Output Terminal Posts
you will be connecting
• Insert the Loudspeaker hookup cable into the
Output Terminal Post opening or the cable
spade lug around the center post of the Output
Terminal (Figure 08)
• Rotate the end of the Output Terminal Post
clockwise until it is finger tight
• Place the supplied McIntosh wrench over
the end of the Output Terminal and rotate
it one quarter of a turn (90°) to secure the
Loudspeaker cable connection (Figure 09).
Do not over tighten
• Slide the Terminal Connection Cover over the
Output Terminals. Fasten with the two screws
removed earlier
WARNING:
Loudspeaker terminals are hazardous
live and present a risk of electric shock. Make sure the
Terminal Connection Cover is installed. For additional
instructions on making Loudspeaker connections
contact your McIntosh Dealer or McIntosh Technical
Support.
Remove Loudspeaker Jumpers
IMPORTANT: Never combine the Solid State and
Vacuum Outputs of the MC901.
If the Loudspeaker’s Terminals connected to the Solid
State Outputs of the MC901 are connected via jumper
cables to the Loudspeaker Terminals connected to
the MC901’s Vacuum Outputs,
REMOVE THE
JUMPER CABLES.
If the Vacuum Tube Output is powering both
Midrange and High terminals of the Loudspeaker, and
the Solid State Output is powering the Low Terminals,
jumper cables can be used to connect the High and
Midrange Terminals.
120V 50/60Hz
12 AMPS
CIRCUIT
BREAKER
Cover Screws
Cover Screws
Figure 10– Terminal Connection Covers
Opening
Figure 08– Opening Output Terminal
Figure 09– Tightening Output Terminal
Figure 11– Terminal Connection Cover openings
Cover Openings
