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McIntosh MC451 Dual-Mono Tube Power Amplifier; Pair

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Original price $32,000.00 (34% Off Est. Retail)
Original price From $20,999.00
Original price $32,000.00 (34% Off Est. Retail)
Current price $20,999.00
From $20,999.00
Current price $20,999.00

+$799.00 Shipping to contiguous US.
Tax collected at checkout.

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Shipping within the Continental USA is $799.00 - This includes securing to a pallet with adequate protection and shipping via FedEx Freight to a residential address anywhere in the Continental USA. This rate can be reduced by $60 if a commercial delivery address available or if item can be picked up at nearest FedEx Freight depot. FedEx Freight charges a residential delivery fee otherwise which is included in our flat rate charge.

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Product Highlights

The McIntosh MC451 Dual Mono Amplifier delivers 150W from its vacuum tube section and 300W from its solid-state section into 8, 4, or 2 ohms. This hybrid monoblock utilizes proprietary Hybrid Drive™ technology, combining the harmonic richness of tubes for mids and highs with the robust grip of solid-state for bass. Engineered specifically for bi-amping, it features a 150-watt tube section with Unity Coupled Circuitry and a 300-watt solid-state section driven by McIntosh Autoformer™ technology. An on-board adjustable crossover allows for precise fine-tuning between sections, while the distinctive DualView™ Power Output Meter provides real-time monitoring of both power stages on a single, elegant interface.

Honored with The Absolute Sound’s 2023 Vacuum Tube Amplifier of the Year and Golden Ear awards, the MC451 is praised for its "concert hall" sound quality and refined musicality. Critics highlight its ability to improve the natural timbre of vocals and instrumentation through nuanced detail and effortless power. By integrating two specialized amplifiers into a single chassis, McIntosh has created a sophisticated solution for bi-amped speakers that values both precision and performance. The MC451 stands as a definitive statement for enthusiasts seeking the ideal balance of tube warmth and solid-state authority.
Brand McIntosh
Type Power Amplifiers
MSRP $32,000.00
SKU # 94149
Cosmetic Rating

8 - Very good condition with minimal visible cosmetic wear including scratches on the top left edge and side of the left transformer housing on one unit. Despite these minor cosmetic issues, the amplifiers will present perfectly from your listening position, and they sound amazing.

Functional Notes

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

Age 3 years
Owners 1
Service History None

Pair of Amplifiers, Owner's Manual, 8 (4 ea.) McIntosh KT88 Tubes, 4 (2 ea.) McIntosh 12AT7 Tubes, 2 (1 ea.) McIntosh 12AX7 Tubes, Power Cables, Factory Packaging

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