McIntosh MC 2250 Owner'S Manual Download Page 1 | Manualshive

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T H E M c l N T O S H M C 2 2 5 0 SOLID S T A T E STEREO POWER A M P L I F I E R

Reading Time: 31 Minutes

Price $2.00

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Summary of Contents for MC 2250

Page 1: ...THE MclNTOSH MC 2 2 5 0 SOLID STATE STEREO POWER AMPLIFIER Reading Time 31 Minutes Price 2 00...

Page 2: ...the rear panel of the chassis Record that serial number here The model serial number and purchase date are im portant to you for any future service Record the pur chase date here Upon application Mcln...

Page 3: ...ng is not covered by the SERVICE CONTRACT 4 The SERVICE CONTRACT is issued to you as the original purchaser To pro tect you from misrepresentation this contract cannot be transferred to a se cond owne...

Page 4: ...nsformer and heat sinks but will not touch the edge of the front panel A pad from the shipping carton can be used for this purpose INSTALLATION IN A CUSTOM CABINET The trouble free life of an electron...

Page 5: ...l two holes for the mounting screws Install the shelf to the cabinet panel It must be able to support the total weight of the instrument 5 Install Instrument Guide the AC power cord through the panel...

Page 6: ...the loudspeakers have been designed If undersize wire is used resistance is added to the amplifier loudspeaker combination which adversely affects the perfor mance Added resistance causes depreciation...

Page 7: ...output im pedances of 2 4 8 and 16 ohms are accomodated Output connections are made by connecting to the output terminals as listed below Note that neither output terminal is at ground potential MONO...

Page 8: ...Stereophonic Connections 6...

Page 9: ...Mono Bridge Connections 7...

Page 10: ...Mono Parallel Connections 8...

Page 11: ...loudspeakers When the switch is OFF you can listen to headphones in private POWER The POWER switch turns the MC 2250 ON or OFF Each time the power is turned on the red SYSTEM TEST readout and green P...

Page 12: ...then five four three etc until it reaches 1 and then the speakers turn on A beep tone is heard each time a test is performed If a circuit should fail both red limit lights will come on and the sequenc...

Page 13: ...the Right MONO channel input jack accepts signal and the Left channel input jack is disconnected the 2 5 V position and the front panel LEFT and RIGHT MONO GAIN controls in the fully clockwise positi...

Page 14: ...Limits are the maximum deviation from perfection permitted for a Mclntosh instru ment We promise you that when you purchase a new MC 2250 from a Mclntosh franchised dealer it will be capable of or can...

Page 15: ...Performance Charts PERFORMANCE CHARTS ARE FOR ONE STEREO CHANNEL WITH BOTH CHANNELS OPERATING MONO OPERATION IS IDENTICAL EXCEPT POWER IS DOUBLED FOR THE SINGLE MONO OUTPUT 13...

Page 16: ...14...

Page 17: ...hich is then amplified by a following class A voltage amplifier Both the differential transitors and the voltage amplifier are supplied by active current sources The results are lower distortion and c...

Page 18: ...line power is applied to the MC 2250 the System Test circuit functions to verify operating potentials at 7 test locations within the amplifier Upon applying power a digital display lights with the nu...

Page 19: ......

Page 20: ...2 CHAMBERS ST BINGHAMTON N Y 13903 9990 607 723 3512 The continuous improvement of its products is the policy of Mclntosh Laboratory Incorporated who reserve the right to improve design without notice...

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