McIntosh MQ 104 Service Manual
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Extracted text from McIntosh MQ 104 Service Manual (Ocr-read)
Page 2
MQI04
PERFORMANCE LIMITS & RATINGS
FREQUENCY RESPONSE
ZOHZ to 20,000Hz, 1 O.5dB (with equalization set flat)
HUM AND NOISE
Flat response. 90dB (79uV) below rated output (2.5 V)
Worst case setting, 85dB (lhOuV) below rated output (2.5 V)
HARMONIC DISTORTION
Does not exceed .l% at rated output level (2.5 V), 20Hz to
20KHz.
INTERMODULATION DISTORTION
Does not exceed .l% at rated output level (2.5 V), ZOHZ to
ZOKHZ.
EQUALIZATION
i l2dB at one-third octave frequency centers, from ZOHZ to
lkHz. Bandwidth selectable; Narrow (approx. l/3 octave)
Wide (approx. l octave)
LOW FREQUENCY COMPENSATION
Five steps of low frequency compensation are included for
McIntosh speakers, allowing 0 to + l7dB at ZOHZ.
INPUT IMPEDANCE
27kQ
OUTPUT IMPEDANCE
6009; to operate into lOkQ load or greater