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Mcintosh MC-451 Hybrid Amplifier

SKU: MC-451

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Product Description

The MC451 Dual Mono Amplifier joins the MC901 in offering the ultimate solution to bi-amping a loudspeaker. Like the MC901, the MC451 uses our Hybrid Drive technology that combines a separate vacuum tube and solid state amplifier onto one single chassis to produce the best possible sound performance from a bi-ampable speaker.

The MC451 is comprised of a 150 Watt vacuum tube amplifier and a 300 Watt solid state amplifier, which is more than enough power to drive virtually all speakers.

The vacuum tube section drives the speaker's midranges and tweeters, while the solid state section drives the woofers. The 150 Watt vacuum tube amplifier is powered by four KT88 output tubes which are located under a removable wire cage, plus two 12AT7 and one 12AX7A signal tubes; it uses our patented Unity Coupled Circuit output transformer to deliver its full 150 Watts into almost any speaker regardless if it has 2, 4 or 8 Ohm impedance.

Similarly, the 300 Watt solid state amplifier delivers its full 300 Watts into a 2, 4 or 8 Ohm impedance speaker via our Autoformer technology.

The two amplifiers in the MC451 are designed to work together in a synergistic relationship and are specifically engineered to assure that each only amplifies its intended frequencies. The large but quiet toroidal transformer generates enough power so that neither amplifier robs power or performance from the other. All of this results in easy bi-amping with unparalleled performance and sound reproduction from your speakers.

McIntosh Laboratory is a manufacturer of high-end audio equipment, including amplifiers, preamplifiers, receivers, and speakers. The company was founded in 1949 by Frank McIntosh, and is based in New York, USA.

McIntosh is known for its iconic design, featuring blue backlit watt meters on its amplifiers, and its commitment to quality, with all of its products built in the USA and tested by hand before leaving the factory.

McIntosh's amplifiers, such as the MC452 and MC312, are highly regarded for their power and sound quality, and their ability to drive a wide range of speakers. The company's preamplifiers, such as the C2700 and C53, are also highly regarded for their ability to deliver an extremely detailed and transparent sound.

McIntosh's receivers, such as the MX170 and MX123, are designed to provide a high-quality audio experience in a single unit, with support for a wide range of audio and video sources.

All orders are processed within 48 hours from date of order.

We offer Free Ground Shipping on all orders regardless of size.  

  • If you would like to receive your order quicker you can request Express shipping during Check-Out in the Comments section.  Additional charges will apply.
  • In-stock items are shipped from our Vancouver warehouse and will reach major Canadian cities in 5-7 business days.
  • Items not in stock will either ship from one of our manufacturer partners' warehouses or in rare cases first must be sent to Vancouver and then to you.  
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