Specifications:

Frequency Response

20Hz-50kHz, ±0.25dB

Input Sensitivity

 

Moving Coil

175μVrms @ 1kHz

Moving Magnet

1.8mVrms @ 1kHz

Aux/CD

350mVrms

All other inputs

110mVrms

Input Impedance

 

Moving Coil

47kΩ/100pF

Moving Magnet

47kΩ/100pF

Aux/CD

20kΩ

All other inputs

25kΩ

Input Overload

120mVrms @ 1kHz

Moving Coil

Moving Magnet

900mVrms @ 1kHz

All others

50Vrms

Rated Output

1.5Vrms into 10kΩ or higher

Maximum Output

27Vrms into 10kΩ or higher

Main Output

 

Source Impedance

470Ω

Tape Output

 

Level

110mV

Source Impedance

2kΩ

Minimum Recommended Load

10kΩ

Distortion (THD and IMD)

 

Phono inputs

0.005% 20Hz-20kHz

All.......................................................................................................others (at rated output)

Rising to 0.01% before overload

< 0.0009% 20Hz-20kHz

Noise (input loaded, A weighted)

 

Moving Coil

-72dB

Moving Magnet

-86dB

All others

-108dB

Channel Separation

 

All inputs

70dB 20Hz-20kHz

Phase Accuracy

±1° 20Hz-20kHz

Dimensions

 

Width

430mm (17.0”)

Height

71mm (2.8”)

Depth

329mm (13.0”)

Weight

4.0kg (9.0lbs)

:Schematic diagram

:Product manual

info@perreaux.com

www.perreaux.com

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Perreaux SM4 manual Specifications

SM4 specifications

The Perreaux SM4 is a high-performance stereo amplifier that exemplifies the brand's commitment to audio excellence and innovation. Renowned for its robust build quality and advanced technologies, the SM4 is designed to deliver a rich and nuanced sound experience that satisfies audiophiles and casual listeners alike.

One of the standout features of the SM4 is its powerful amplification capabilities. It boasts a high current output that allows it to drive a wide range of speakers with ease. This ensures that even demanding loads are handled effortlessly, providing clarity and precision across the audio spectrum. The amplifier is rated to produce a significant amount of power per channel, making it ideal for both small and large listening environments.

The SM4 incorporates a range of advanced technologies to enhance sound quality. One notable feature is its use of high-quality components, including premium capacitors and resistors, which contribute to a more dynamic and detailed audio reproduction. The amplifier utilizes a Class AB architecture, which combines the efficiency of Class A operation with the output capabilities of Class B, resulting in lower distortion and improved thermal performance.

In addition to its power and sound quality, the SM4 also prioritizes user-friendly functionality. It features a sleek and modern design with intuitive controls that make operation straightforward. The amplifier includes multiple input options, allowing users to connect a variety of audio sources, from vinyl turntables to digital streaming devices. Its flexible connectivity options ensure compatibility with different audio systems, further enhancing its versatility.

Another key characteristic of the Perreaux SM4 is its thermal management system. The amplifier is designed to dissipate heat effectively, ensuring that it remains cool during extended listening sessions. This not only prolongs the life of the components but also maintains consistent performance, preventing any degradation in sound quality.

Overall, the Perreaux SM4 stands out as a premier choice for those seeking an amplifier that combines power, precision, and sophistication. With its impeccable build quality and a focus on delivering a pristine audio experience, the SM4 is a testament to Perreaux's dedication to high-fidelity sound. Whether used in a dedicated music listening setup or integrated into a home theater, the SM4 promises to elevate any audio experience to new heights.