McIntosh MR 74

Vintage Solid State AM/FM Stereo Tuner


In good condition.  Original box and packing is not available. One of the best sounding and quietest tuners that McIntosh ever made. Sold from 1972-1979


FM SECTION: Sensitivity 2.5uV. Response 20-15kHz (+1 -1dB) stereo. Distortion 0.5% in stereo. Capture ratio 1.5dB. Selectivity: adjacent channel = 6dB normal, 15dB narrow. alternate channel = 68dB normal, 88dB narrow. Image rejection 95dB. S/N 70dB. Separation 35dB@1kHz. Spurious rejection 90dB. SCA rejection 50dB. Stereo filter noise reduction: 10dB position 1, 20dB position 2

AM SECTION: Sensitivity 75uV. Response: Normal -6dB at 3.5kHz, Narrow -6dB at2.1kHz. Distortion 1.0%. Adjacent channel selectivity: normal 35dB, narrow 45dB. S/N 55dB. Image rejection 65dB.

FRONT PANEL: Glass front panel. Mode selector sw: am, fm or fm mono. Stereo filter sw: out, 1 or 2. Selectivity sw: normal or narrow. FM muting sw: out, distant or local. Volume with on-off switch. Tuning ctrl. Signal strength and tuning meters. MPX indicator. Multipath indicator.

BACK PANEL: Audio out 2.5V variable and fixed. Built-in ferrite loopstick. AM ant sw: ext or loop. Ext am antenna. 300 or 75 ohm fm cable input. Scope outputs. Panloc mounting.

Size 5-7/16"H, 16"W and 13"D behind panel. 

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