MR 87 McIntosh
AM/FM STEREO TUNER The Compendium
FRONT PANEL: Glass with LED/fiber-optic illuminated green/gold nomenclature. IR remote
sensor. PRESET / MENU control. Dial glass with electronic tuning pointer. Indicators
for AM, FM, STereo reception. TUNE / ADJUST control. 7 Touch buttons: SIGNAL (with
indicator), DISPLAY, MONO/SETUP (with indicator), STORE/EXIT (with indicator). Digital
information display. Touch buttons: ‚ SEEK •, BAND, STANDBY/ON/RESET (with indicator).
BACK PANEL: RS-232C connector. SERVICE PORT. POWER CONTROL INput/OUTput. DATA
INput/IR INput. RAA2 AM ANTenna input. 75 Ω FM ANTenna coax input. 7 Power cord
receptacle. OUTPUTS: DIGITAL OPTICAL and COAXIAL, UNBALanced Left & Right. BALANCED
Right & Left.
FM SECTION: Useable Sensitivity: 18.1dBF or 2.2uV across 75 ohms. Stereo 50dB
Quieting Sensitivity: 14.8dBF or 1.5uV across 75 ohms. Frequency Response:
20-15kHz, ±1dB. Harmonic Distortion: 0.4% in mono, 0.8% in stereo. Signal to
Noise Ratio: 70dB in mono, 68dB in stereo. Alternate Channel Selectivity:
66dB. Adjacent Channel Selectivity: 60dB. Stereo Separation: 38dB.
AM SECTION: Sensitivity: 350uV/m. Frequency Response: 0dB, -6dB, 50-3,000 Hz.
Harmonic Distortion: 0.5%. Adjacent Channel Selectivity: 45dB. Signal to
Noise Ratio: 50dB.
© 2011-2015 VintageMac – Larry Hodson Rev. 114 Page 1 / 2
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