How to Operate the MCC406M Introduction

Figure 5

Figure 4

How to Operate the MCC406M

Introduction

The McIntosh MCC406M is a highly versatile amplifier that can be configured in many ways. This manual gives examples of some of the most common configurations. The best way to set the filter controls is through the use of a real-time spectrum analyzer and the expertise of a profes- sional installer. This manual will guide you through the ba- sic operation, however we suggest you refer to your Dealer for further information on the use of this unit. To access the Amplifier Controls and Switches refer to “Removing the Glass Panel” located on page 6 of this Owner’s Manual.

Low Pass Filter

The LOW PASS Filter Controls select the frequencies at which the filters operate. Any given frequency number is selected through the combined settings of the FRE- QUENCY and MULTIPLIER controls.

The low-pass filters multiplier switches have settings of X1 (frequency times one), X10 (frequency times ten). Refer to figure 4.

Example: A frequency 1,500 Hz would be attained by setting the

FREQUENCY Control to 150 and setting the MULTIPLIER Switch to X10 (150 times 10 equals 1,500).

High Pass Filter

The HIGH PASS Filter Controls select the center frequen- cies at which the filters operate. Any given frequency num- ber is selected through the combined settings of the FRE- QUENCY and MULTIPLIER controls.

The high-pass filter multiplier switches have settings of X.1 (frequency times one-tenth), X1 (frequency times one),

X10 (frequency times ten). Refer to fig- ure 5.

Example: A frequency of 15 Hz would be

selected by setting the FREQUENCY Control to 150 and the MULTIPLIER Switch to X.1 (150 times .1 equals 15).

Input Sensitivity Controls

The SENSITIVITY controls allow independent setting of the input sensitivity of all amplifier channels, to provide an ideal match for the signal source being used. The most de- sirable setting allows the control center to have a useful volume range as wide as possible from loud to soft. A good place to start is to set the amplifier’s SENSITIVITY Con- trol to the output voltage called out in your control center

owner’s manual. The Level controls can be set for any sensitivity from .5 volts to 8 volts. Refer to figure 6.

Note: When used in conjunction with a

McIntosh control center, you may Figure 6 find setting the Sensitivity controls

to the center detent (1.5V) works best.

Power Output Meters

There are two illuminated watt meters on the glass panel, the left meter displaying combined power output for chan- nels 1, 2, 3 and 4 and the right meter displaying combined power output for channels 5 and 6. The upper scale shows power in watts during normal operation, the lower scale displays power in watts for bridged operation. All displays show power into a 4 ohm load. The meters respond to all the musical information being produced by the amplifier.

Figure 7

They indicate to an accuracy of at least 95% of the power output with only a single cycle of a 2000Hz tone burst. Re- fer to figure 7.

Power

The MCC406M will turn on or off when the Control Cen- ter turns On or Off.

Note: There must be an Amp ON connection between the MCC406M and the signal source unit in order for the amplifier power turn On and Off to function.

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.