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For th\b Consu\f\brs Prot\bction: In ord\br to \bnsur\b th\b high\bst l\bv\bl of custo\f\br satisfaction, newMcIntosh
products \fay only b\b purchas\bd ov\br-th\b-count\br or d\bliv\br\bd and install\bd by an Authoriz\bd McIntosh D\bal\br.
McIntosh products that ar\b purchas\bd ov\br th\b Int\brn\bt, by phon\b or \fail ord\br ar\b pr\bsu\f\bd to b\b u\bedand
do not qualify for any McIntosh Warranty. McIntosh do\bs not warrant, in any way, products that ar\b purchas\bd
fro\f anyon\b who is not an Authoriz\bd D\bal\br or products that hav\b had th\bir s\brial nu\fb\br alt\br\bd or d\bfac\bd.
MC252
Pow\br A\fplifi\br
WIDE BANDWIDTH
The l\bte\ft digit\bl recording technique\f \bre e\b\fily
\bccommod\bted by the wide 10-100,000Hz
b\bndwidth of the MC252.
ULTRA LOW NOISE AND DISTORTION
Di\ftortion i\f \fo low it defie\f
me\b\furement, even with the fine\ft di\ftortion \bn\blyzer\f.
POWER GUARD
®
A w\bveform comp\bri\fon
circuit continuou\fly monitor\f input \bnd output \fign\bl\f.
Detection of \bny difference trigger\f \bn optic\bl circuit
th\bt oper\bte\f \bt the \fpeed
of light to \bdju\ft the volume \bnd prevent di\ftortion.
SENTRY MONITOR
®
Help\f prevent d\bm\bge due toimproper lo\bd\f or \bccident\bl
\fhort circuit\f on \fpe\bker line\f.
OUTPUT WATTMETERS
St\bying within the power
limit\f of \fpe\bker\f i\f e\b\fy
with the l\brge, illumin\bted, pe\bk-re\fponding McInto\fh w\bttmeter\f. A pe\bk-hold
option keep\f thi\f inform\btion vi\fible for \bn extended time with \flow dec\by time.
MONO OPERATION
The two 250 w\btt ch\bnnel\f m\by be combined into \b
\fingle ch\bnnel of 500 w\btt\f. McInto\fh exclu\five output
\butoformer\f \bllow thi\f 500 w\btt\f to be delivered into
1, 2, 4, 8, or 16 ohm \fpe\bker\f.
04.04.MC252.20k 35005800
McInto\bh La\foratory, Inc. 2 Cham\fer\b Street, Binghamton, New York 13903-2699
Tel (607) 723-3512 - US Toll-Free (800) 538-6576 - Fax: (607) 724-0549 - www.mcinto\bhla\f\b.com
OVERALL DIMENSIONS
(H x W x D including feet \bnd knob\f)
9-7/16" (23.97cm) x 17-1/2" (44.45cm) x 14-13/16" (37.62cm)
WEIGHT94-1/2 lbs. (42.87kg) net
108-1/2 bs. (49.22kg) boxed
250 watts (stereo) or 500 watts (mono)
Balanced and unbalanced inputs
Exclusive McIntosh Output Autoformer
®
Wide power bandwidth, low distortion
Exclusive McIntosh Power Assurance System
Illuminated Peak-Responding Wattmeters
Fiber optic light diffuser illumination for front panel nomenclature
Fanless convection cooling
Stainless steel chassis with super mirror finish
RMS POWER OUTPUT250W min. (stereo) or 500W min.
(mono and bi-amp parallel) sine
wave continuous average power
output from 20Hz to 20kHz.
RATED POWER BAND20Hz to 20kHz
TOTAL HARMONIC DISTORTIONMaximum Total Harmonic
Distortion at any power level
from 250 milliwatts to rated
power output is 0.005%.
DYNAMIC HEADROOM2.0dB
FREQUENCY RESPONSE20Hz to 20kHz, +0 / -0.25dB
10Hz to 100kHz, +0 / -3dB
INPUT SENSITIVITY1.6V unbalanced
3.2V balanced
A-WEIGHTED SIGNAL-TO-NOISE RATIO:112dB below rated output
INTERMODULATION DISTORTIONMaximum Intermodulation
Distortion if instantaneous peak
output per channel does not
exceed twice the rated output,
for any combination of frequencies
from 20Hz to 20,000Hz, with all
channels operating is 0.005%.
INPUT IMPEDANCE10,000 ohms (unbalanced)
20,000 ohms (balanced)
OUTPUT LOAD IMPEDANCETerminals for 2, 4, or 8 ohms (stereo)
Terminals for 4, 8, or 16 ohms (mono)
Terminals for 1, 2, or 4 ohms (bi-amp parallel)
WIDE BAND DAMPING FACTORGreater than 40
POWER GUARDClipping is prevented and THD
does not exceed 2% with up
to 14dB overdrive at 1kHz.
POWER REQUIREMENTS120V, 50/60Hz, 6.6A
