McIntosh MC2152, Руководство пользователя

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6
Output Terminal Connector
When cables with spade lugs are used for Loudspeak-
er Connection, the spade lugs need an
opening of at least 3/10 inch (7.6mm)
XLR Connectors
Below is the Pin configuration for the XLR Balanced
Input Connectors on the MC2152. Refer to the dia-
gram for connection:
PIN 1: Shield/Ground
PIN 2: + Output
PIN 3: - Output
Power Control Connector
The Power Control Output Jack sends Power On/Off
Signals (+12 volt/0 volt) when
another McIntosh Component is
connected. The Power Control
Output will in turn provide a
+12 volt Output Signal with a
current up to 25 mA. An ad-
ditional connection is for controlling the illumination
of the MC2152 Small Signal Tubes when connected to
a compatible McIntosh Preamplifier or A/V Control
Center Power Control Output. A 3.5mm stereo mini
phone plug is used for connection to the Power Con-
trol Output.
Power
Control
Illumination
Control
Ground
1. For additional connection information, refer to the
owner’s manual(s) for any component(s) connected
to the MC2152.
2. Apply AC Power to the MC2152 and other McIn-
tosh Component(s) only after all the system compo-
nents are connected together. Failure to do so may
cause a malfunction of system operations as the
Microprocessor’s Circuitry inside the components
is active when AC Power is applied.
3. The MC2152 includes an Auto Off Power Save
Feature and the default setting is enabled.
For
additional information including how to disable it,
refer to page 13.
4. When Power Amplifier Protection Circuitry of the
MC2152 has activated the Small Vacuum LED Illu-
mination and the Front Panel Standby LED Power
Indicator will both start flashing. The AC Power to
the MC2152 needs to be switched OFF at that time.
5. When the Power Transformer has overheated due
to improper ventilation and/or high ambient operat-
ing temperature, AC Power is removed from the
MC2152.
6. For the best performance and safety, it is important
to always match the impedance of the Loudspeaker
to the Power Amplifier connections. Refer to pages
10 and 11.
Note: The impedance of a Loudspeaker actually var-
ies as the Loudspeaker reproduces different
frequencies. As a result, the nominal impedance
rating of the Loudspeaker (usually measured at
a midrange frequency) might not always agree
with the impedance of the Loudspeaker at low
frequencies where the greatest amount of power
is required. Contact the Loudspeaker Manufac-
turer for additional information about the actual
impedance of the Loudspeaker before connecting
it to the McIntosh MC2152.
7. When discarding the unit, comply with local rules
or regulations. Batteries should never be thrown
away or incinerated but disposed of in accordance
with the local regulations concerning battery
disposal.
8. For additional information on the
MC2152 and other McIntosh Products
please visit the McIntosh Website at
www.mcintoshlabs.com.
Connector and Cable Information
General Information
PIN 1 PIN 2
PIN 3
3/10 of an inch
(7.6millimeters)