The MI1250 Power Control Input receives an On/Off For additional information on the MI1250 and other McIntosh Products please visit the McIntosh website at Connector Information If it becomes necessary to replace the Loudspeaker Connection Plugs used on the MI1250 Rear Panel, order part number 31065800 from the McIntosh Parts Department.ħ. When the unit has returned to a safe operating temperature, the Channel(s) normal operation will resume.Ħ. The Front Panel Channel LED will change color and the audio will be muted. In the event the MI1250 Channels overheat, due to improper ventilation or Loudspeaker Impedance, the protection circuits will activate. Contact the Loudspeaker Manufacturer for additional information about the actual impedance of the Loudspeaker before connecting it to the McIntosh MI1250.ĥ. 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. Note: The impedance of a Loudspeaker actually varies as the Loudspeaker reproduces different frequencies. Refer to “How to Connect” pages 8 thru 10. For the best performance and safety it is important to always attach a single Loudspeaker withĪn 8 Ohm or 4 Ohm impedance to the Channel 1 – Channel 12 output terminals. Refer to page 4 for installing the Side Rack Mount Brackets.Ĥ.
#Power amplifier class manual
Included with the MI1250 and located in the Owner’s Manual Packet are two Side Rack Mount Brackets and screw fasteners. The MI1250 mutes the speaker output for approximately two seconds when first turned on.ģ. For additional connection information, refer to the owner’s manual(s) for any component(s) connected to the MI1250.Ģ. Purchase Date: _ĭealer Name: _Ĭopyright © 2021 by McIntosh Laboratory, Inc.ġ.
#Power amplifier class serial
We can identify your purchase from this information if the occasion should arise: Serial Number: _
#Power amplifier class serial number
11įor future reference, you can write down your serial number and purchase information here. 8 Connect From a Multichannel Zone Preamp. 5 Audio Input for Each Amplifier Channel. 4 Installation of Side Rack Mount Brackets. Operation Information Guide General Information. 2 Chambers Street Binghamton, New York 13903
You can also contact McIntosh with additional questions or in the unlikely event of needing service. If you need further technical assistance, please contact your dealer who may be more familiar with your particular setup including other brands. Please take a few moments to familiarize yourself with the features and instructions to get the maximum performance from your equipment. You have invested in a precision instrument that will provide you with many years of enjoyment. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 60 Important Safety Information is supplied in a separate document “Important Additional Operation Information Guide”
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