Meridian 551 Integrated Amplifier - Specifications and Accessories

Specification and accessories

Introduction

6

Specification

MMinput option Sensitivity adjustable 0.5 – 3mV for

5cm/s @ 1kHz.

Overload point 47mV @ 1kHz. Cartridge load 47kΩ 100pF.

MC input option	Sensitivity adjustable 38 – 210μV for
	5cm/s @ 1kHz.
	Cartridge load 220Ω 10nF.
A2 – A6 inputs	Sensitivity adjustable 27 – 150mV.
	Input impedance 20kΩ.
Output	65W per channel into 8Ω.
	100W per channel into 4Ω.
Tape output	Output 1.5V.
Pre-amp output	Output 1.4V rms, 3V rms maximum.
Headphone output	2V maximum.
Distortion	Less than 0.05%.
Noise and hum	Less than -90dB for high-level
	analogue inputs.
	Less than -70dB for MM input.
	Less than -60dB for MC input.

Display	Four character display for current
	source, volume, mute, and copy
	source.
Communications	Two 5 pin 240° DIN sockets.
Finish	Black textured enamel and glass.
	Heatsinks black painted aluminium.
Dimensions	88mm x 321mm x 332mm
	(3.46" x 12.64" x 13.07").
Weight	10kg (20lbs).
Consumption	30VA quiescent, 300VA max.

Meridian Audio reserves the right to amend product specifications at any time.

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Meridian America 551 manual Specification and accessories

Contents

Meridian 551 Integrated Amplifier Preface Contents Setting up the integrated Amplifier25 Introduction Meridian 500 Series Professional featuresSeries communications Sample configurations 506 20-Bit CD Player Compact Disc Transport 566 20-Bit Digital to Analogue Analogue Controller Converter 562V Multimedia Controller Specification and accessories Specification Available accessories Introduction Using the integrated amplifier Front panel Mute Selecting a source To switch on from standbyTo switch to standby CD65 Off Adjusting the volumeMute CD55 To change the display Changing the display and balance²O³ To change the balance CAtt Recording a sourceCSrc To copy a source to the tape output Customising the integrated amplifier To select a standard setting Choosing standard settingsType Standard settings VCR2 To configure a source Configuring the sourcesConf CD1C To change an option To change a source label Examples of configuring the sourcesTo change the audio input for a source To set up a system with two CD players Gain Programming levelsTo balance input levels 12dB LP MM LP MC SA=1 Specifying information about your systemAuto PA=1 Setting up the integrated amplifier To position the integrated amplifier Before connecting powerUnpacking Radio interference Back panel Connecting the integrated amplifierAudio connections To connect to a tape recorder ConTo connect to other Meridian 500 Series equipment NCon To connect to A500 Loudspeakers To connect to Meridian 600 or 200 Series equipment Sound has cut out and the display shows DC TroubleshootingNo lights are displayed when switching on Sound has cut out and the display shows Hot There is hum on the LP input There is hum on other inputs To clean the case, display panel, and keypad MaintenanceCleaning To clean the audio connections Service Service and guaranteeGuarantee Cleaning Index Sound restoring Index