McIntosh owner manual How to Operate the MC205, Power, Meter Illumination, Impedance Switch

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Figure 10
Figure 11
Figure 9

How to Operate the MC205

How to Operate the MC205

Power

With the POWER Switch set to the OFF/REMOTE Posi- tion, the MC205 will turn On or Off when

an A/V Control Center turns On or Off. For manual operation, place the POWER Switch to the ON Position as desired. Refer to figure

8.

Note: There must be a power control connec-

 

tion between the MC205 and the McIn-

 

tosh A/V Control Center in order for the

Figure 8

remote power turn-on to function.

 

Meter Illumination

Place the METER LIGHTS Switch to the ON position for Illuminated Meters or place the switch

to the Off position for no Illumination. When Power Control Input ZA (Zone

A only) of the MC205 is connected to a McIntosh A/V Control Center or Pream- plifier with Remote Meter Illumination Control, the Meter Illumination will auto- matically be remotely controlled (On/Off) with the METER LIGHTS Switch to set to the ON position. Refer to figure 9.

Impedance Switch

The MC205’s Dynamic Power Manager circuitry allows for the connection of either 4 ohm or 8 ohm Loudspeakers to its output terminals, while at the same

time delivering the same power output.

Refer to figure 10. Place the IMPEDANCE Switch, located on the rear panel, to the position (4 ohm or 8 ohm) that matches the impedance of the connected Loudspeak-

ers. In the event that some of the Loud-

speakers in the system are of different impedance, use the impedance of the Left and Right Front Loudspeakers to set the IMPEDANCE Switch position. Refer to

figure 11.

Power Output Meters

The MC205 Power Output Meters are calibrated to allow for the direct reading of either the Power Output in Watts or Decibels for Loudspeakers connected to Channels 1, 3 and 5. The meters respond to all the musical information being produced by the amplifier. They indicate to an accu- racy of at least 95% of the power output with only a single cycle of a 2000Hz tone burst. Refer to figure 12.

Figure 12

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Contents Power Amplifier Important Safety Instructions Please Take a Moment Customer ServiceTable of Contents Thank YouIntroduction Performance FeaturesFront View of the MC205 Rear View of the MC205 DimensionsInstallation Rear Panel Connections MC205 Power Control ZA How to Connect for a Five Channel SystemHow to Connect for a Five Channel System How to Connect for a Seven Channel System How to Connect for a Seven Channel System How to Connect for a Five Channel and Zone B System How to Connect for a Five Channel and Zone B System Front Panel Displays and Switches Power Output Meters How to Operate the MC205Power Impedance SwitchTechnical Description Design PhilosophyProtection Circuits Power Supply Circuits Specifications Packing Instructions McIntosh Laboratory, Inc Chambers Street Binghamton, NY