McIntoshMR-66 Vintage AM / FM Tube TunerMcIntosh MR-66 Vintage AM / FM Tube Tuner AS-IS (No AM) (14421)Product: Mcintosh MR-66 Vintage AM / FM Tube Tuner; AS-IS (No AM)Product SKU: 14421Serial Number: 1N751Voltage: 105-125VCosmetic Description: 7/10 Very good cosmetic condition with some minor visib...484.00

McIntosh MR-66 Vintage AM / FM Tube Tuner AS-IS (No AM) (14421)

Listing ID: lis96b39 Classified 
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Asking Price: $484.00

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Ships fromBroomfield , CO, 80020
Ships toWorldwide
Package dimensionsunspecified
Shipping carrierFedEx
Shipping cost$37.00
Agon miniAverage Research Pricing

Product: Mcintosh MR-66 Vintage AM / FM Tube Tuner; AS-IS (No AM)

Product SKU: 14421

Serial Number: 1N751

Voltage: 105-125V

Cosmetic Description: 7/10 Very good cosmetic condition with some minor visible cosmetic wear including some light scratching on the top surface and sides and minor tarnish on the tube bed chrome and tube covers. The TV out thumbscrews are missing and the faceplate edges are tarnished and although they can be pulled off fairly easily stay on just fine. This item shows some wear consistent with its age but is still presentable and sounds wonderful.

What is Included: Tuner, 2 6U8A tubes, 4 6AU6 tubes, 12AT7 tube, 12AU7 tube, 6CS6 tube, 6BN8 tube, 26BN4A tubes, 6BW4 tube, 26BA6 tubes, 6BE6 tube, 26BY8 tubes

Functional Notes: This item is being sold AS-IS. We were unable to tune to any AM stations, but were able to receive FM stations. Otherwise the operational condition of this item is excellent, fully tested and no other issues found.

Age: Circa 1961

# of Owners: Unknown

Tobacco Exposure: No

Service History: None

MSRP: $325

Other Notes: Stereo simulcast (binaural) am/fm tuner. Can be used for fm stereo with outboard MA6 multiplex adapter. Separate AM and FM tuning knobs.

FM SECTION: sensitivity 3-1/4uV. Response 20-20kHz within 2dB. Distortion less than 0.8%. Capture ratio 1 to 0.7. Three IF stages. Two limiters. Image rejection 80dB.

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

FRONT PANEL: AM sw: multiplex fm, am out, narrow, medium 1, medium 2 or broad. Mode selector sw: mon am, mon fm, stereo or power off. AFC ctrl: min to max. FM function sw: mute out, mute in or fm out. AM signal strength meter. FM tuning meter. Zero adj for am and fm signal strength meters behind end caps.

BACK PANEL: MPX out. MPX adapter power. 2 mpx inputs. AM out. FM out. AM antenna sw: ant or loop. Lamp sw: hi or lo. AM out adj. FM out adj. Ext am antenna. 300 or 75 ohm fm antenna.

Size 5-1/8"H, 15-5/8"W and 12-3/16"D behind panel. Weight 27 lb. Sold from 1960-1961. Last retail price $325.00

Product Specifications


Shipping: Cost to ship this item within the contiguous United States is a flat rate of $37- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $500 will require a signature upon delivery.

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Return Policy
Return Window

Item can be returned within 30 days of receipt.

General Terms

Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.


Buyer will receive a full refund in the original payment method less any shipping charges.

Special Conditions

Packaging: We offer the best custom packaging in the business - period. When factory boxes are not available, we utilize a Spray-in foam machine to create a custom, foam-injected mold that is form-fitted to each product. We invested over $5000 in this equipment to ensure that each product we sell arrives safely and our customers have a reusable box for future use. When factory boxes are available, we always double box.

Payment: We accept all forms of payment including credit cards. We never charge our customers for Paypal or other processing fees.

Returns: We offer a full satisfaction guaranteed return policy. If for any reason you are unhappy with your purchase, you may contact us within 30 days of receipt to arrange a return. If product arrived in a condition other than described, we will take full responsibility to cover shipping both ways... regardless of whose fault it is. Returns for any other reason will be refunded less original shipping costs. Some new items may incur a 15% re-stocking fee if opened. Please inquire prior to purchase to request an exception.

International Customers: We welcome business from around the globe. Please contact us in advance of purchase for a shipping quote. You are responsible for voltage conversion. You are responsible for all customs duties / taxes as required by your country. Only Paypal with verified address or bank transfer accepted for International orders. It is your responsibility to determine the compatibility of the specified product for your country. No returns accepted for voltage or other forms of incompatibility.

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