McIntosh MC252 owner manual How to Operate

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Figure 11
Figure 13
BI-AMP (Paral-
Figure 10
or Off when a

How to Operate

How to Operate

Power On

To have the MC252 automatically turn On control center turns on or off,

rotate the power switch to the remote position. For manual op- eration, rotate the power switch to the On or Off position as de- sired. Refer to figure 10.

Note: There must be a power control connection between the MC252 and the McIntosh Control

Center, in order for the remote power turn-on to function.

Meter Selection

Rotate the meter mode switch to select the meter operation mode you desire. Refer to figures 11 and 12.

Lights Off - Meter lights are turned off and the meter will continue to indi- cate the power output.

Watts- The meters re- spond to all the musical informa- tion being pro- duced by the am-

plifier. They indicate to an accuracy of at least 95% of the power output with only a single cycle of a 2000Hz tone burst.

Hold - The meter pointer is locked to the highest power peak in a sequence of peaks. It is elec- tronically held to this power level until a

slowly return to its rest position or lower power level. The decay rate is approximately 6dB per minute.

Mode Switch

The STEREO/MONO BRIDGED/MONO lel) Mode Switch, which is lo-

cated to the left of the R/MONO BALANCED INPUT (XRL Con- nector) on the Top Rear Panel of the MC252 and allows selection of either Stereo or two different Mono Modes of Operation. Refer to figures 13.

Note: There is additional information for connecting

the MC252 and pertaining to all modes of operation: “How to Connect for Stereo” on pages 8 and 9. “How to Connect for Mono Bridged” on pages 10

and 11.

“How to Connect for Mono Bi-Amp (Parallel)” on pages 12 and 13.

Figure 12

higher power peak passes through the ampli- fier. The meter pointer will then rise to the newer higher indication. If no further power peaks are reached, the meter pointer will very

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Contents Power Amplifier Important Safety Instructions Please Take a Moment Customer ServiceTable of Contents Thank YouConnector Information Performance FeaturesIntroduction Front View of the MC252 Installation Mono BI-AMP Top Panel Connections and SwitchHow to Connect in Stereo MC252 Top Rear View How to Connect in Mono Bridged Mode Mono Bridge Hookup Connections How to Connect in Mono Bi-Amp Parallel Mode Mono Bi-Amp Parallel Hookup Connections Front Panel Displays and Controls How to Operate Technical Description Block Diagram of the Amplifiers Page Technical Description, con’t Page Page Specifications Packing Instructions McIntosh Laboratory, Inc Chambers Street Binghamton, NY