4
Performance Features
Safety Instructions cont,
Introduction and Performance Features
Never spill liquids into the equipment through enclo-
sure openings.
20. Unplug the power cord from the AC power outlet when
left unused for a long period of time.
Repair of Equipment:
21. Unplug this equipment from the wall outlet and refer
servicing to a qualified service personnel under the fol-
lowing conditions:
A. The AC power cord or the plug has been damaged.
B. Objects have fallen, or liquid has been spilled into
the equipment.
C. The equipment has been exposed to rain or water.
D. The equipment does not operate normally by follow-
ing the operating instructions contained within this
owners manual. Adjust only those controls that are
covered by the operating instructions, as an im-
proper adjustment of other controls may result in
damage and will often require extensive work by a
qualified technician to restore the product to its nor-
mal operation.
E. The equipment has been dropped or damaged in any
way.
F. The equipment exhibits a distinct change in perfor-
mance - this indicates a need for service.
22. Do not attempt to service beyond that described in the
operating instructions. All other service should be re-
ferred to qualified service personnel.
23. When replacement parts are required, be sure the ser-
vice technician has used replacement parts specified by
McIntosh or have the same characteristics as the origi-
nal part. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
24. Upon completion of any service or repairs to this prod-
uct, ask the service technician to perform safety checks
to determine that the product is in proper operating con-
dition.
Introduction
·
150 Watt per Channel Integrated Amplifier
The MA6850 combines 150 watt per channel power ampli-
fier with McIntosh Autoformers and a sophisticated control
center in one compact unit.
·
Power Guard with Sentry Monitor
Patented McIntosh Power Guard circuit that prevents the
amplifier from being overdriven into clipping with its harsh
distorted sound that can also damage your valuable loud-
speakers. Sentry Monitor power output stage protection
circuits ensure the MA6850 will have a long and trouble
free operating life.
·
Illuminated Peak Responding Output Meters
Output meters respond to 95% of full scale reading with a
single cycle of a 2KHz tone burst to indicate output power
with high accuracy.
·
Output and Speaker Switching
Front panel Speakers push-buttons control two pairs of
speakers when the optional SCR3 switching relay is added.
·
Listen and Record Circuity
Separate Record and Listen circuits allow you to record
one program source while listening to another. Separate
signal processor loops are provided for both the Listen and
Record circuits.
·
Electronic Input Switching
Digital Logic integrated circuits drive Electromagnetic
switches on all eight inputs and operating functions for re-
liable, noiseless, distortion free switching
·
Tone Control Bypass
At the flat settings the Bass and Treble control circuit ele-
ments are removed from the Listen signal path.
·
Active Loudness Circuity
A continuously variable active Loudness control allows
any degree of loudness compensation. All Loudness circuit
elements are removed from the signal path in the flat set-
ting.
The remote controlled MA6850 is a sophisticated, yet easy
to operate Integrated Amplifier that will provide the supe-
rior fidelity music reproduction that is traditional from
McIntosh. It includes a wide range of convenient operating
functions to enhance your listening enjoyment. The classic
McIntosh MA6850 will perfectly complement a pair of
McIntosh Loudspeakers for a stereo system of incompa-
rable performance and style.
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