McIntosh MC 252 Brochure

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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