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Ma7000
integrated amplifier
POWER OUTPUT
250 watts is the minimum sine wave continuous
average power output per channel, both channels
operating
OUTPUT LOAD IMPEDANCE 2, 4 or 8 Ohms
RATED POWER BAND 20Hz to 20,000Hz
TOTAL HARMONIC DISTORTION
0.005% maximum with both channels operat-
ing from 250 milliwatts to rated power, 20Hz to
20,000Hz
DYNAMIC HEADROOM 2.0dB
FREQUENCY RESPONSE
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 100,000Hz
PREAMPLIFIER MAIN OUTPUT
(FOR RATED INPUT)
2.5V unbalanced (8V Maximum)
5.0V balanced (16V Maximum)
SENSITIVITY (FOR RATED OUTPUT)
High Level, 250mV unbalanced, 500mV balanced
Phono, 1.2 mV Power Amp In, 2.5V
SIGNAL TO NOISE RATIO (A-WEIGHTED)
High Level, 100dB below rated output
Phono, 84dB below 5mV input
Power Amplifier, 115 below rated output
INTERMODULATION DISTORTION
0.005% maximum, if the instantaneous peak power
is 500 watts or less per channel with both channels
operating for any combination of frequencies from
20Hz to 20,000Hz
WIDE BAND DAMPING FACTOR
Greater than 40
MAIN OUTPUT IMPEDANCE 50 Ohms
To experience the legendary performance of McIntosh, please call on us at 1-800-538-6576
INPUT IMPEDANCE
High Level, 20K Ohms Phono, 47K Ohms; 65pF
Power Amp In, 10K Ohms
MAXIMUM INPUT SIGNAL
High Level, 8V unbalanced, 16V balanced
Phono, 45mV Power Amplifier In, 16V
POWER GUARD
Less than 2% THD with up to 16dB overdrive
at 1,000Hz
VOLTAGE GAIN
High Level to Rec Output: 0dB
High Level to Main Output: 20dB
Phono to Rec Output: 46dB
Phono to Main Output: 66dB
Power Amplifier: 25dB
EQUALIZER CONTROLS
Variable 12dB boost to 12dB cut at 30Hz, 150Hz,
500Hz, 1500Hz and 10,000Hz
POWER REQUIREMENTS
100 Volts, 50/60Hz at 8.0 amps
110 Volts, 50/60Hz at 7.2 amps
120 Volts, 50/60Hz at 6.6 amps
220 Volts, 50/60Hz at 3.3 amps
230 Volts, 50/60Hz at 3.3 amps
240 Volts, 50/60Hz at 3.3 amps
Standby: Less than 1 watt
Note: Refer to the rear panel of the
MA7000 for the correct voltage.
OVERALL DIMENSIONS (H X W X D)
INCLUDING THE FEET AND FRONT PANEL
KNOBS AND CABLES
Width is 17-1/2 inches (44.45cm) 9-7/16 inches
(23.97cm), 17-1/2 inches (44.45cm) x 22 inches
(55.88cm)
WEIGHT
97.5 pounds (44.3 kg) net
130.5 pounds (59.2 kg) in shipping carton
EXCLUSIVE MCINTOSH
POWER ASSURANCE SYSTEM
A collection of technologies that
enhance performance and reliability
while protecting the amplifier and
loudspeakers.
POWER GUARD
®
A waveform comparison circuit
continuously monitors both input and
output signals. Power Guard dynamically
adjusts the input level to avoid clipping
while preventing harsh sounding
distortion.
SENTRY MONITOR
®
Fuse-less short-circuit protection
circuit disengages the output stage
before current exceeds safe operating
level – resets automatically.
OUTPUT AUTOFORMER
Unique McIntosh technology delivers
the full rated amplifier output with the
least possible distortion into loudspeaker
impedances of 2, 4, or 8 Ohms; you get all
the power you paid for and the freedom
to choose any loudspeaker.
WATTMETER
Swift, accurate response reveals program
peaks so staying within the power limits
of your loudspeakers is easy.
FOR THE CONSUMER'S
PROTECTION
In order to ensure the highest level
of customer satisfaction, "new" McIntosh
products may only be purchased over-the-
counter or delivered and installed by an
Authorized McIntosh Dealer.
McIntosh products that are purchased
over the Internet, by phone or mail order
are presumed to be "used" and do not
qualify for any McIntosh Warranty.
McIntosh does not warrant, in any way,
products that are purchased from anyone
who is not an Authorized Dealer or prod-
ucts that have had their serial number
altered or defaced.
www.mcintoshlabs.com
l e g e n d a r y
®
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