Meridian America 557 Technical Specification, Stereo Power Amplifier, Power output, Distortion

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