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10

Front and Rear Panel Displays

LED indicates Channels 1 - 12 Circuitry Functions

LED Standby Power On Indicator

Front Panel 

Display

POWER switch  

controls AC On or Off

Rear Panel 

Display

BUS 1 and 2  

left and right 

input and outputs

Volume controls 

for  

each channel

Channel input switches to select  

from connected  

analog and digital sources

Mono / Stereo 

select switch 

for each channel pairing

Main fuse - please refer  

to rear panel markings 

for proper fuse size and rating

Amplifier outputs 

 

for 4 or 8 ohm 

loudspeakers

Power Control input and output 

sends or receives On-Off signals 

for other McIntosh components

AC  

power input

Digital Optical  

and Coaxial 

1 and 2 inputs

Un-balanced  

line inputs 

for each channel

Содержание MI1250

Страница 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 www mcintoshlabs com...

Страница 2: ...additional connection information refer to the owner s manual s for any component s connected to the MI1250 2 The MI1250 mutes the speaker output for approxi mately two seconds when first turned on 3...

Страница 3: ...m being overdriven into clipping with its harsh distorted sound that can damage your valuable Loudspeakers Versatile Operation The MI1250 provides power amplification for up to twelve channels in a mu...

Страница 4: ...the unit Do not install the MI1250 above heat generating components When installed in a cabinet with other components use a ventilation fan to provide cool operating temperature A custom cabinet inst...

Страница 5: ...NEL 1 2 D1 D2 1 BUS LOCAL R L VOL MONO STEREO CHANNEL 10 CHANNEL 9 2 D1 D2 1 BUS LOCAL R L VOL MONO STEREO CHANNEL 12 CHANNEL 11 2 D1 D2 1 BUS LOCAL R L DIG 2 DIG 1 50 6 0H z 15A 100 120V 220 240V MI...

Страница 6: ...OCAL BUS selects between the specific Channel Unbalanced Input Jack or BUS which allows selection of the BUS Switch 1 2 D1 or D2 The BUS Switch allows selection of the following BUS 1 Unbalanced Input...

Страница 7: ...ONO STEREO CHANNEL 4 CHANNEL 3 2 D1 D2 1 BUS LOCAL R L VOL MONO STEREO CHANNEL 2 CHANNEL 1 2 D1 D2 1 BUS LOCAL R L VOL MONO STEREO CHANNEL 10 CHANNEL 9 2 D1 D2 1 BUS LOCAL R L VOL MONO STEREO CHANNEL...

Страница 8: ...ize is 0 100 inches 2 54 mm so it will fit the into opening on the MI1250 Connection Plug 2b If desired the twisted ends can be tinned with solder to keep the strands together typical Multichannel Sys...

Страница 9: ...ates when the Channel is ON with an Audio Signal Present and Normal Operation for the Channel exists Amber Indicates when maximum Power Output for the Channel has occured with prevention of Audio Clip...

Страница 10: ...ch channel Channel input switches to select from connected analog and digital sources Mono Stereo select switch for each channel pairing Main fuse please refer to rear panel markings for proper fuse s...

Страница 11: ...000Hz Total Harmonic Distortion 0 05 maximum harmonic distortion at any power level from 250 milliwatts to rated power 20Hz to 20 000Hz Dynamic Headroom 2 1dB 8 ohm load 3 3dB 4 ohm load Frequency Re...

Страница 12: ...cts is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice Printed in the U S A McIntosh Laboratory Inc 2 Chambers Street Binghamton NY 13903 www mcin...

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