Installation

It is recommended that a professional who is skilled in all aspects of installation and operation install the MCC406M and any associated mobile audio equipment.

Amplifier Ventilation

Always provide adequate ventilation for the MCC406M. The amplifier requires an adequate airflow into the cooling fans, which are located on the left side of the amplifier. The warm air exits the amplifier through vents on the heatsinks. See figure 1. Be sure to provide at least 1-1/2 inches clear- ance in front of the cooling fans and 1 inch clearance at the sides of the heatsinks.

The cooling fans are controlled by temperature sensors, attached to the interior of the tunnel. The fans are normally off. If the program material contains sustained loud pas- sages demanding high power, the fans will turn-on to in- crease cooling. If cooling is still not sufficient, additional heating will shut down the amplifier internal power supply completely and the Power Guard LEDs will light. The fans will continue to run and once normal temperatures are re- stored, operation will resume.

The amplifier can be mounted vertically or horizontally and may be located under a seat if adequate clearance is available. The preferred installation method is to mount the amplifier directly to the vehicle main frame using the hard- ware supplied with the amplifier.

It is not recommended that the amplifier be mounted

under the hood or in a location where it will be directly ex- posed to the elements. The openings in the fan housings and heat tunnel vents can allow internal components to be damaged by exposure to water, chemicals or any form of road dust or debris.

Warm Air

Cool Air

Figure 1

Cool Air

Warm Air

Remove Top Cover Screws

Figure 2

Remove Top Cover Screws

Remove End Cap Screws

Removing the Glass Panel

To access the MCC406M Controls, remove the glass panel by removing the four hex bolts with the supplied 3/32” hex key. See figure 2. Attach the supplied suction cup to the top center of the glass panel and carefully raise it high enough to put your hand under. Temporarily place the removed

glass panel in a safe place, remove the suction cup and Figure 3 save it for future use.

Removing the End Caps

To access the MCC406M Connecting Terminal Blocks, re- move the Glass Panel first (the above step) and then re-

move the Phillips Screws holding the End Caps on bothRemove End Cap Screws sides of the amplifier and lift the end caps off. See figure 3.

MCC406M specifications

The McIntosh MCC406M is a high-performance mono audio amplifier that epitomizes the luxurious craftsmanship and cutting-edge technology for which McIntosh is renowned. Designed for audiophiles who demand the utmost in sound quality and power, the MCC406M stands out with its impressive specifications and features.

One of the primary characteristics of the MCC406M is its robust power output. It delivers a staggering 400 watts of continuous power into a 2-ohm load, ensuring that it can drive even the most demanding speakers effortlessly. The amplifier operates with a high damping factor, which permits precise control of the speaker's performance, yielding tighter bass and enhanced overall fidelity.

The MCC406M incorporates advanced technologies that ensure optimal performance and reliability. At the heart of the amplifier is the McIntosh patented Autoformer, which allows it to deliver the same output power regardless of the speaker’s impedance, be it 2, 4, or 8 ohms. This feature not only enhances compatibility with a wide range of speakers but also ensures consistency in audio performance.

Another notable technology is the Power Guard® system, which monitors and adjusts the amplifier's output to prevent clipping and distortion, safeguarding both the amplifier and connected speakers. This feature is crucial for maintaining sound integrity even at high listening levels, allowing for an enjoyable and reliable listening experience.

In terms of design, the MCC406M embodies McIntosh’s signature aesthetic with its sleek black glass front panel, illuminated logo, and glowing watt meters, which provide a visual representation of the output power. This sophisticated appearance makes it a standout piece in any audio system.

Additionally, the MCC406M features a balanced audio input and a variety of connections, accommodating different setups and ensuring maximum compatibility with various preamplifiers. Its compact design also allows for versatility in placement, whether in a dedicated audio room or a living space.

Overall, the McIntosh MCC406M amplifier combines powerful performance, advanced technologies, and elegant design, making it a premium choice for those seeking to elevate their audio experience. Whether for music appreciation or home theater applications, this amplifier delivers exceptional sound quality, embodying the McIntosh legacy of excellence.