McIntosh MC2300 Solid State Stereo Power Amplifier

Important Information About This Amplifier

This vintage McIntosh MC2300 power amplifier will be securely strapped to a pallet and shipped via freight to the buyer’s address to ensure safe transport. Due to the amplifier’s substantial weight and size, palletized freight shipping is required. The cost of freight shipping is already included in the purchase price.

This unit has been fully serviced and tested for reliable operation. For transparency, we have included the original service ticket in the photo gallery so buyers can review the work that has been completed.

As expected with vintage equipment of this age, the amplifier does show minor cosmetic blemishes. These cosmetic details are clearly documented in the listing photos. Please review all images carefully to understand the condition prior to purchase.

McIntosh MC2300 Vintage Power Amplifier

The McIntosh MC2300 stands as one of the most legendary solid-state power amplifiers ever produced. Manufactured between 1971 and 1980, this massive American-built amplifier was designed during the golden age of high-power hi-fi and remains highly sought after by audiophiles and collectors alike. 

Delivering an astonishing 300 watts per channel in stereo or 600 watts when bridged in mono, the MC2300 was one of the most powerful consumer amplifiers of its era. Built with McIntosh’s renowned conservative engineering standards, it was designed to deliver continuous high output with extremely low distortion while maintaining the reliability that the brand is famous for. 

Physically imposing and built to an industrial standard, the MC2300 weighs approximately 128 pounds and features the classic McIntosh black glass front panel and heavy-duty chassis that helped define the look of vintage American high-end audio. 

Beyond the hi-fi world, the MC2300 became famous for powering the Grateful Dead’s legendary “Wall of Sound” concert system, where dozens of these amplifiers were used to deliver massive amounts of clean power across enormous outdoor venues. This unique piece of audio history helped cement the MC2300’s reputation as one of the most robust and capable amplifiers ever built. 

Even decades after its introduction, the MC2300 continues to be admired for its ability to deliver enormous dynamic headroom, effortless control of demanding loudspeakers, and the unmistakable build quality that made McIntosh one of the most respected names in high-end audio.

Key Features

• Legendary vintage McIntosh solid-state power amplifier
• 300 watts per channel stereo output
• 600 watts mono capability
• Fully serviced and tested
• Massive 128 lb industrial-grade construction
• Iconic amplifier used in the Grateful Dead’s “Wall of Sound” system
• Highly sought after by collectors and vintage hi-fi enthusiasts

Technical Specifications