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Home > Tuners > MR66
McIntosh MR66
Collectable AM/FM Tube Tuner Original List Price: 325.00

Grade: B1 B1: 1500.00
Physical: Some light scratches - Excellent Condition
Electrical: Meets or exceeds original specs, all functions operate

Grade: D? D?: 199.00
Physical: Some dents or oxidation - Fair Condition
Electrical: Not graded AS IS

McIntosh MR66
File photo for representation of item. May not be the actual item offered for sale.

Front Panel: Anodized gold and black aluminum panel. AM tuning control. Illuminated dial with separate bands for AM and FM. Illuminated signal strength meter. Illuminated tuning meter. FM tuning control. AM Function switch: Multiplex FM, AM out, narrow, medium 1, medium 2 or broad. Mode selector switch: mono AM, mono FM, stereo or power off. AFC: min to max. FM function switch: mute out, mute in or fm out. Zero adjustment for am and fm signal strength meters behind end caps.

Rear Panel: Multiplex out. FM multiplex adapter power. Screw terminals for external AM antenna. AM antenna switch: antenna or loop. Lamps switch: high or low. Unswitched ac outlet. Power cord. Fuse. Screw terminals for 300 or 75 ohm fm antenna. MPX inputs: 1 and 2. AM output level. Outputs: AM, FM, stereo-mon jacks 1 and 2. FM output level.

FM Section: Sensitivity 3.25uV. Response 20Hz-20kHz 2dB. Distortion < 0.8%. Capture ratio 1 to 0.7. Three IF stages. Two limiters. Image rejection 80dB.

AM Section: Sensitivity 1.5uV. Selectivity bandwidth 20Hz-20kHz, 20Hz-11.5kHz, 20Hz-8kHz, and 20Hz-6.5kHz. Whistle filter reject 70dB at 10kHz. Audio out 4v.

Tubes: (2) 6BN4A, 12AT7, (4) 6AU6, 6CS6, 12AU7, 6BN8, (2) 6U8, (2) 6BA6, 6BE6, (2) 6BY8, 6BW4.

Other: Mono/Stereo. Stereo simulcast AM/FM tuner. Can be used for FM stereo with outboard MA-6 multiplex adapter. Separate AM and FM tuning knobs.

Production: 1,353 units made from June 1960 - 1961. SN 1N001 to 2N347 and 100G1 to 118G1.

Shipping weight: 36 lbs.

Related Categories:   Modafferi Modifications    Antennas

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