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This unit was developed with many of the same functions as

 

 

 

 

the flagship model SC-7S2, without compromising the sound

 

Choke Input Power Circuit

 

This unit incorporates a choke input power circuit in order to

quality.

 

 

 

 

 

 

 

 

thoroughly eliminate high frequency noise from the rectifier

 

 

 

 

 

 

HDAM-SA3

 

 

 

 

circuit and external sources. The choke input power supply

 

 

 

 

is a powerful, clean power circuit that stores electrical power

The HDAM-SA3 is an amp module equipped with a new circuit

 

in the coil and capacitor, and then supplies it to the amplifier

that has further improved stability from the previous HDAM-SA

 

circuit.

 

 

 

and HDAM-SA2. The HDAM-SA3 is an essential part of this

 

 

 

 

 

 

unit'samp module, incorporated into many components such

 

Tone Control

 

 

as the current-voltage converter and input buffer.

 

 

 

 

 

 

This unit is equipped with an electronic tone control circuit that

 

 

 

 

 

 

Constant Current Feedback Phono

 

 

adjusts the sound balance using the remote control unit. This

 

 

tone control circuit can be precisely adjusted with the Balance

 

Equalizer

 

 

 

 

Linear Control Volume.

 

 

The new phono equalizer keeps current feedback constant

 

 

 

 

 

 

from low to high frequency, and supports both MC and MM

 

Subsonic Filter

 

cartridges. This has enabled problems in sound quality found

 

Subsonic signals are intercepted in the cut-off frequency 15Hz

 

 

 

 

 

 

in conventional NFB type phono equalizers that resulted from

(12dB/oct) by the subsonic filter. The subsonic filter is an active

differences in the amount of NFB in the bass and treble regions

filter used in the HDAM-SA3.

to be overcome.

 

• Balanced Linear Control Volume

The newly developed balanced output type volume control amplifier incorporates a combination of the WM8816 by Wolfson with the Marantz original current-feedback amplifier. This balanced linear control amplifier is a high performance amplifier that allow to control the sound volume and to convert the balance signal.

• Balanced Input Headphone System

This is a balanced input current feedback headphone amplifier newly developed for use with the Balanced Linear Control Volume. This power amplifier is special combination of a high quality sound operational amplifier and discrete current- feedback type amplifier specifically for headphone use.

• Input Buffer

With the exception of the PHONO input, each input has its own input buffer that directly uses HDAM-SA3 technology. You will experience superb sound with unbelievable channel separation.

• F.C.B.S,

A Floating Control Bus System (EC.B.S.) enables the user to connect up to four units, making a diversity of applications possible with bi-amp and multi-channel connections. Moreover, a ground loop is not formed between multiple connected amplifiers, therefore sound quality is not adversely affected.

BI-AMP Mode

The operating mode that uses the complete bi-amp connection proposed by Marantz. Complete bi-amp allows two SC-11 S1 to be connected by EC.B.S. enabling each to work as a monaural Integrated amplifier.

• Display

This unit adopts an LCD (Liquid Crystal Display) to display input source and volume level. Compared to other types of display panels, an LCD generates less drive noise and radiation noise, hence the interference in sound quality is minimal.

• Remote Power Control

This unit is equipped with a trigger output jack that can simultaneously operate the power ON/OFF control of a Marantz SM-11 S1 power amplifier in sync with the power ON/OFF control of this unit. Up to two SM-11 S1 can be connected to this unit. As with the EC.B.S. a ground floating connection is made without a ground loop being formed, therefore sound

quality is not adversely affected.

3

Page 9
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Marantz SC-11S1 Choke Input Power Circuit, Tone Control, Constant Current Feedback Phono, Equalizer, Subsonic Filter, B.S

SC-11S1, 642SC11S1 specifications

The Marantz 642SC11S1, also known as the SC-11S1, is a premium stereo preamplifier that exemplifies the brand's commitment to high-quality audio performance. Designed for audiophiles and music enthusiasts, the SC-11S1 integrates cutting-edge technology with a classic aesthetic, delivering superior sound reproduction.

One of the standout features of the Marantz SC-11S1 is its discrete circuit design. By avoiding the use of integrated circuits in critical signal paths, Marantz ensures that audio signals are processed with minimal interference, leading to a purer sound experience. This is complemented by the use of high-quality components that contribute to its exceptional sound fidelity, making it an ideal choice for both music playback and home theater applications.

The SC-11S1 includes advanced digital signal processing capabilities, allowing users to connect a variety of digital sources. Its versatile connectivity options include multiple analog inputs, including balanced XLR and unbalanced RCA connections, as well as a range of digital inputs, such as coaxial and optical. This ensures compatibility with modern audio sources, providing users with the flexibility to enjoy their favorite music in multiple formats.

Another impressive aspect of the SC-11S1 is its precise volume control system. Utilizing a high-resolution analog volume control, it offers incredible sensitivity and precision, allowing for finer adjustments to the listening level without compromising sound quality. The preamplifier also features a robust power supply, ensuring consistent performance even during dynamic musical passages.

In terms of design, the Marantz SC-11S1 boasts an elegant and sturdy build, characterized by its sleek aluminum front panel and a premium finish. The user-friendly interface, with clear indicators and intuitive controls, allows for easy operation, enhancing the overall user experience.

Furthermore, the Marantz SC-11S1 is equipped with a custom-designed high-performance phono stage, catering to vinyl enthusiasts. It supports both moving magnet and moving coil cartridges, enabling users to enjoy their record collections with the warmth and richness that only analog sources can provide.

In conclusion, the Marantz 642SC11S1, or SC-11S1, is a remarkable preamplifier that combines sophisticated technology with elegant design. Its emphasis on audio purity, versatile connectivity options, and meticulous component selection make it a top choice for discerning listeners seeking to elevate their audio experience. Whether used in a compact stereo setup or as part of a larger home theater system, the SC-11S1 represents the pinnacle of Marantz’s engineering excellence and commitment to music fidelity.