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XLR Connectors
Below is the Pin configuration for the XLR Balanced Input
Connectors on the MC205. Refer to the diagram for con-
nection:
PIN 1: Shield/Ground
PIN 2: + Output
PIN 3: - Output
Power Control Connector
The MC205’s Power Control Inputs receive On/Off signals
of +5 volts. An additional connection
is for controlling the illumination of
the MC205 Power Output Meters.
The 1/8 inch stereo mini phone plug
connects to a McIntosh A/V Control
Center Power Control Output.
Note: The Power Control Connecting Cable is available from
the McIntosh Parts Department:
Data and Power Control Cable Part No. 170-202
Six foot, shielded 2 conductor, with 1/8 inch stereo mini
phone plugs on each end.
Connector Information, Introduction and Performance Features
Connector and Cable Information
Introduction
Performance Features
• Power Output
The MC205 consists of five Power Amplifier Channels,
each capable of 200 watts into 4 ohm or 8 ohm Loudspeak-
ers with less than 0.005% distortion.
• Power Guard
The patented McIntosh Power Guard Circuit prevents
the amplifier from being over driven into clipping, with
its harsh distorted sound that can damage your valuable
Loudspeakers.
• Dynamic Power Manager
TM
The MC205’s Dynamic Power Manager (DPM) circuitry
allows for the connection of either 4 ohm or 8 ohm Loud-
Now you can take advantage of traditional McIntosh stan
-
dards of excellence in the MC205 Power Amplifier. The
five channel Power Amplifier produces a power output of
200 watts per channel and will drive quality Loudspeakers
to a high level of performance. The MC205 reproduction is
sonically transparent and absolutely accurate. The McIn-
tosh Sound is “The Sound of the Music Itself.”
PIN 1
PIN 2
PIN 3
speakers, while at the same time delivering identical power
output. A peak output current of 25 amperes per channel
ensures that it will successfully drive high quality Loud-
speakers such as McIntosh, for a truly exciting sound
experience.
• Balanced and Unbalanced Inputs
Balanced connections guard against induced noise and al
-
low long cable runs without compromising sound quality.
• Sentry Monitor and Thermal Protection
McIntosh Sentry Monitor power output stage protection
circuits ensure the MC205 will have a long and trouble free
operating life. Built-in thermal protection circuits guard
against overheating.
• Illuminated Power Meters
The Illuminated Power Output Watt Meters on the MC205
are peak responding, and indicate the power output of the
amplifier.
• Power Control
The McIntosh Power Control Circuit allows for remote
turn-on of the MC205 Power Amplifier from a McIntosh
A/V Control Center or Preamplifier for a single or dual
Zone System.
• Special Power Supply
A regulated Power Supply and a very large Toroidal
Wound Power Transformer, ensures stable noise free op
-
eration even though the power line varies.
• Fiber Optic Solid State Front Panel Illumination
The even Illumination of the Front Panel is accomplished
by the combination of custom designed Fiber Optic Light
Diffusers and extra long life Light Emitting Diodes
(LEDs). The glass Front Panel ensures the pristine beauty
of the MC205 will be retained for many years.
Power
Control
Meter
Illumination
Control
Ground