McIntosh MR85 AM/FM Tuner

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Click here for a PDF copy of the MR85 Owner's Manual

Performance Features:
• Flywheel Manual Tuning
A newly designed, optically encoded weighted flywheel system makes dialing in stations an easy job. Reminiscent of the dial-cord flywheel tuning method found in classic McIntosh Tuners.

• Custom Preset Naming
All 9 AM and 9 FM station presets for each tuner module may be custom labeled with any desired name up to 8 characters. For example, FM Preset Number 3 (92.50MHz) can be renamed JAZZ 7, or WXYZ.

• Optional Second Tuner Module
A second fully independent McIntosh TM1 Tuner Module may be added to the MR85 by your dealer. This is ideal for applications where two tuners may be used at the same time, such as Multizone Systems or listening to one station while recording another station. The TM1 is the most economical way to add a second high performance McIntosh Tuner to a system.

FM Tuner Specifications
Useable Sensitivity
14dBF which is 1.4uV across 75 ohms

50dB Quieting Sensitivity
Mono: 19dBF which is 2.4uV across 75ohms
Stereo: 35dBF which is 15uV across 75 ohms

Signal To Noise Ratio
Mono: 75dB
Stereo: 70dB

Frequency Response
Mono: +0,-1dB from 20 to 15,000Hz
Stereo: +0,-1dB from 20 to 15,000Hz

Harmonic Distortion
Mono:
0.3% at 100Hz
0.3% at 1,000Hz
0.3% at 10,000Hz

Stereo:
0.45% at 100Hz
0.45% at 1,000Hz
0.65% at 10,000Hz

Intermodulation Distortion
Mono 0.25%
Stereo 0.45%

Capture Ratio
1.2dB

Alternate Channel Selectivity
75dB

Spurious Response
100dB

Image Response
75dB

RF Intermodulation
65dB

Stereo Separation
45dB at 100Hz
45dB at 1,000Hz
35dB at 10,000Hz

SCA Rejection
65dB

AM Tuner Specifications
Sensitivity
20uV External Antenna Input

Signal To Noise Ratio
48dB at 30% modulation
58dB at 100% modulation

Harmonic Distortion
0.5% maximum at 50% modulation

Frequency Response
50Hz to 6kHz NRSC

Adjacent Channel Selectivity
45dB minimum IHF

Image Rejection
65dB minimum from 540 to 1600kHz

IF Rejection
80dB minimum

Dimensions
17-1/2 (44.5cm) W, 5-3/8 (13.7cm) H, 17-1/2 (44.5cm) D, (including clearance for connectors)

Weight
25.5 pounds (11.6 Kg) net
43 pounds (19.5 Kg) in shipping carton

The SkyFi Testing Process for Tuners:

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and tubes are inspected for signs of stress overheating or cracking.

Then the tuner is thoroughly tested in our lab utilizing our professional Sencore SG80 FM Generator, which allows us to generate a reference FM signal of any frequency and amplitude, and then measure the resulting tuner output on our Sencore PR81 or oscilloscope.  This unit passed with flying colors and produced a natural and warm sounding output. 

Please click here for detailed specifics regarding our specialized packing process that separates us from the rest.