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6DC Trigger Input and Output

Many audio/video preamplifiers can supply a DC control voltage to associated equipment in order to induce desired behavior. Your Classé amplifier can take advantage of these capabilities in order to be switched between operate and standby automatically, perhaps in concert with the A/ V preamp itself.

Two 1/8th-inch mini mono-jacksprovide this remote-controlled turn-on (that is, toggling between operate and standby) of the amplifier. These jacks provide a simple pass-through of the control voltage from one to the other, allowing you to “daisy-chain” a series of amplifiers quite easily.

The remote trigger will be operated by the presence of 5–12 Volts DC, with tip polarity as shown below:

7RS 232 Control Port

This DB-9 connector has two purposes:

downloading new operating software into your amplifier (should new features ever be added, for example)

for external control of your amplifier by systems such as i-Command, AMX® and Crestron

For more information, please contact your dealer and ask about home automation systems.

8AC Mains Input

An IEC standard power cord (supplied) is used with the CA-M400. Plug the cord into the IEC receptacle on the rear panel, and the other end into a suitable wall outlet.

9AC Mains Fuse

Your Classé power amplifier has an AC mains fuse, accessible on the rear panel. If you suspect that your AC fuse has blown, disconnect your amplifier from the AC mains, as well as from its input connections and speaker connections, and refer to the appropriate item of the section enitled Troubleshooting.

Do not open your amplifier. There are no user-serviceable parts within this product.

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Classe Audio CA-M400 owner manual DC Trigger Input and Output, RS 232 Control Port, AC Mains Input, AC Mains Fuse

CA-M400 specifications

The Classe Audio CA-M400 is a high-performance power amplifier that encapsulates the essence of quality sound engineering and sophisticated design. Hailing from the renowned Canadian audio manufacturer Classe Audio, this amplifier is designed for audiophiles who demand both power and precision in their audio playback.

One of the standout features of the CA-M400 is its impressive power output. Delivering 400 watts per channel into 8 ohms and 800 watts per channel into 4 ohms, this amplifier is capable of driving a wide range of speakers with ease, ensuring that even the most demanding systems receive ample power. This power is supplemented by Classe's proprietary Current Feedback topology, which allows for high-speed response and minimal distortion, resulting in clear and dynamic sound reproduction.

The CA-M400 employs a dual-mono design, ensuring that each channel operates independently for enhanced imaging and soundstage depth. This configuration not only contributes to the clarity of audio reproduction but also minimizes crosstalk between channels, delivering a more immersive listening experience. The use of high-quality components and a robust power supply further enhances performance, providing exceptional stability and reliability even during peak demands.

Another defining characteristic of the Classe Audio CA-M400 is its system control capabilities. It features a comprehensive range of input options, including balanced XLR and single-ended RCA connections, allowing for flexible integration into various audio setups. Additionally, the amplifier supports remote power control, making it user-friendly and easy to manage within a home theater or stereo system.

Furthermore, the design of the CA-M400 exudes elegance and sophistication. Its sleek chassis is crafted with meticulous attention to detail, featuring a brushed aluminum finish and an intuitive front panel. The amplifier also features a highly efficient thermal management system, ensuring it remains cool during extended listening sessions without compromising performance.

In summary, the Classe Audio CA-M400 is a power amplifier that combines raw power with cutting-edge technology to deliver an unparalleled audio experience. With its formidable power output, innovative design, and exceptional build quality, it stands as a remarkable choice for anyone looking to elevate their audio setup to new heights. Whether it be for critical listening or high-octane movie nights, the CA-M400 promises to deliver an impressive sonic performance that will satisfy even the most discerning audiophiles.