557

Stereo Power Amplifier

Sales information

1st December 2001

Technical Specification

Power output:

200W into 8 ohms

 

680W into 8 ohms Bridged

 

1000W into 4 ohms Bridged

Distortion:

<0.05%

Signal/Noise:

–90dB

Inputs:

Balanced on XLR – Sensitivity 3.00V rms (2.21V rms bridged).

 

Unbalanced on phono – Sensitivity 1.44V rms (1.34V rms

 

bridged).

Outputs:

Twin outputs for bi-wiring.

Construction:

Two-channel dual-mono construction – Stereo and Bridged.

 

4 pairs of output devices per side.

 

4 high quality smoothing capacitors per side.

 

Error corrected output stage.

 

Idealised magnetic circuit design.

 

Dynamic bridge front end gives fully balanced input operation.

 

Fully protected against DC and thermal overload.

 

Soft start using proprietary Meridian circuit.

Dimensions:

174mm (6.85in) H, 385 (15.16) W, 306 (12.05) D.

 

Weight 27kg (60lbs)

Controls:

Rear-panel controls for Power On/Off, Bridge/Stereo Mode.

Front display:

Power indicator lamp.

Meridian Audio Limited

Stonehill, Stukeley Meadows

Huntingdon

Cambridgeshire PE29 6EX

T +44 (0) 1480 445678

F +44 (0) 1480 445686

Meridian America Inc.

Suite 122, Building 2400

3800 Camp Creek Parkway

Atlanta GA 30331

T (404) 344 7111

F (404) 346 7111

www.meridian-audio.com

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Meridian America 557 manual Technical Specification

557 specifications

Meridian America 557 is a high-performance digital-to-analog converter (DAC) designed to enhance the listening experience for audiophiles and music enthusiasts. This advanced DAC combines cutting-edge technology and engineering excellence, making it a standout product in the realm of audio playback.

One of the main features of the Meridian 557 is its precision in digital audio conversion, utilizing high-resolution processing capabilities that support 24-bit/192kHz audio formats. This ensures that every nuance and detail of the original recording is preserved, allowing listeners to enjoy music as it was intended by the artist. The robust digital architecture is paired with high-quality components to minimize signal degradation, making it an ideal choice for high-fidelity sound systems.

The 557 leverages Meridian’s proprietary technologies, such as the Meridian High Resolution Audio format and the Meridian Digital Signal Processing (DSP). These innovations enhance sound quality, providing a smoother, more immersive listening experience. The DSP capabilities ensure that digital audio signals are optimized, resulting in a clearer and more dynamic sound stage.

In terms of connectivity, the Meridian America 557 offers a wide range of inputs and outputs, making it highly versatile. It includes both digital inputs like USB, coaxial, and optical connections, allowing users to connect various devices such as computers, CD players, and streaming units. Additionally, balanced and unbalanced outputs ensure compatibility with a wide variety of audio systems, further enhancing its flexibility.

Physical design also plays a critical role in the 557’s appeal. The unit features a sleek, modern aesthetic that fits seamlessly into any contemporary audio setup. Its robust chassis not only provides a stylish look but also reinforces the device's durability and minimizes interference from external sources, which is vital for maintaining audio integrity.

Furthermore, the Meridian 557 is equipped with advanced filtering options that allow users to tailor the sound output according to their preferences. This feature enables audio enthusiasts to enjoy a personalized listening experience by adjusting settings to match different musical genres or individual tastes.

Overall, Meridian America 557 is a sophisticated digital-to-analog converter that combines advanced technologies with user-friendly features to deliver exceptional audio performance. Its commitment to high fidelity makes it an invaluable addition to any serious audio setup, appealing to both professionals and casual listeners alike.