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McIntosh MC300 Power Amplifier

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Certified Pre-Owned What’s this?

Original price $4,000.00 (13% Off Est. Retail)
Original price From $3,499.00
Original price $4,000.00 (13% Off Est. Retail)
Current price $3,499.00
From $3,499.00
Current price $3,499.00

+$135.00 Shipping to contiguous US.
Tax collected at checkout.

Earn 3,499 TMR Rewards points for this purchase.
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Our Safe Pack and Ship Guarantee means we guarantee its safe arrival. Items are carefully double-boxed or custom foam-molded. For larger pieces, we palletize to ensure secure, upright delivery. In rare cases of loss or damage, we fully protect your purchase.

Shipping Cost

Cost to ship this item within the Contiguous United States is a flat rate of $135.00, including packaging and insurance. Note that all items valued over $750 will require a signature upon delivery.

We DO NOT offer international shipping.

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Product Highlights

The McIntosh MC300 is a high-output solid-state power amplifier engineered to deliver 300 watts per channel into 2, 4, or 8 ohm loads with a peak current capacity exceeding 85 amperes. This substantial component provides an unwavering foundation for demanding reference systems, driving complex loudspeaker loads with supreme control and authority. Built with McIntosh's signature Autoformer technology, it guarantees full rated power across any speaker impedance while preventing clipping via proprietary Power Guard protection circuitry. Its iconic black glass front panel features dual illuminated blue power meters, heavy-duty speaker terminals, and versatile balanced XLR alongside unbalanced RCA inputs.

Critical consensus praises this amplifier for its virtually limitless dynamic headroom and effortless ability to render complex orchestral passages without compression. Enthusiasts highlight its dark, silent backdrop, noting how low-level detail and delicate micro-dynamics surface with striking clarity and organic warmth. Reviewers consistently celebrate its ability to tame bright or difficult speakers while projecting a wide, three-dimensional soundstage that remains stable at high listening levels.

Investing in an amplifier of this caliber ensures total confidence in driving any loudspeaker to its fullest musical potential. Its robust engineering and timeless aesthetic provide a dependable, highly engaging foundation that lets you experience recordings with captivating realism day after day.
Brand McIntosh
Type Power Amplifiers
Component Color Black
MSRP $4,000.00
SKU # 76853
Serial # LN3467
Cosmetic Rating

8 - Very good condition with minimal visible cosmetic wear including some scratches in the side bezels, and sparse nicks and scratches on the top and side panels of the unit. These blemishes are not readily visible from your listening position, this amplifier will nicely compliment many listening systems.

Functional Notes

Operational condition of this item is excellent, fully tested and no issues found.

Age Unknown
Owners Unknown
Service History None

Amplifier, Power cable, Factory packaging

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McIntosh MC300 Power Amplifier
McIntosh MC300 Power Amplifier