Meridian Audio Drive units move when the C51 is switched on or off, Unit stays in standby

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Reorient the receiving aerial (or antenna) or route the antenna cable of the receiver as far as possible from the unit and its cabling.

Ensure that the receiver uses well-screened antenna cable.

Relocate the receiver with respect to the unit.

Connect the receiver and this product to different AC outlets.

If the problem persists contact your dealer.

Drive units move when the C51 is switched on or off

This is normal as the amplifier electronics settle.

The sound from one or more speakers is either muffled (lacking in HF) or thin (lacking in bass)

Check that the crossover cards have been correctly inserted, and in particular that the

type of crossover card in each bay matches the type of loudspeaker connected to the corresponding output channel. Each crossover card includes indicator lights that show

the presence of power and, by their colour combination, indicate the type of speaker for which the card is designed. Confirm that these are indicating correctly.

Unit stays in standby

This generally indicates a problem with the trigger connection and/or setup:

Check the trigger cabling and that it is correctly wired.

Ensure that the source device providing the trigger is configured to provide a voltage in the range 5–30v ac or dc when the unit is required to come out of standby and for the trigger voltage to be removed when the unit is to enter standby.

Meridian Audio Limited

Latham Road,

Huntingdon, Cambridgeshire PE29 6YE

United Kingdom

Tel +44 (0) 1480 445678

Fax +44 (0) 1480 445686

Web: www.meridian-audio.com

Meridian is registered trademark of Meridian Audio Ltd

Other trademarks are the property of their respective owners.

Meridian America Inc

8055 Troon Circle, Suite C

Austell, Atlanta GA 30168-7849

USA

Tel +1 (404) 344 7111

Fax +1 (404) 346 7111

Email: info@meridian-audio.com

C51man v1.0 • REƒ • 20070727

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Contents C51 This page intentionally left blank Contents Safety warnings Safety InstructionsRadio interference Service and guarantee C51 Powered Crossover/Amplifier About the ProductInstallation and Setup Trigger input Connecting the C51Input connections Output connectionsTroubleshooting Operating the C51Drive units move when the C51 is switched on or off Unit stays in standby

C51 specifications

The Meridian Audio C51 is a premium digital preamplifier designed to elevate the audio experience for audiophiles and home theater enthusiasts alike. Combining cutting-edge technology with Meridian’s renowned craftsmanship, the C51 serves as the heart of a high-end audio setup, offering unparalleled performance and versatility.

One of the standout features of the C51 is its advanced digital signal processing (DSP). Meridian's proprietary DSP technology ensures accurate rendering of sound, enabling listeners to immerse themselves in a superior audio experience. The C51 utilizes Meridian's proprietary 24-bit/192kHz digital to analog converters (DACs) to deliver crystal-clear audio reproduction, providing a rich and dynamic soundstage across all music genres and media formats.

In terms of connectivity, the C51 is equipped with a plethora of inputs and outputs designed to accommodate various audio sources. It features multiple digital audio inputs including coaxial, optical, and USB, allowing users to easily connect CD players, computers, or streaming devices. For those with extensive collections of analog equipment, the C51 also offers balanced and unbalanced analog inputs, ensuring compatibility with a wide range of devices.

The C51 includes Meridian’s innovative SmartVolume technology, which automatically adjusts the volume levels of different audio sources, thus eliminating sudden volume changes that can disrupt the listening experience. Additionally, the preamplifier supports Meridian’s Audio Core technology, allowing users to create custom multi-room audio setups seamlessly.

Aesthetic sophistication is another hallmark of the C51. The preamplifier features a sleek and modern design that fits perfectly within any high-end audio or home theater installation. The intuitive user interface, complete with a high-resolution display and responsive controls, enhances user experience, making it easy to navigate settings and adjust sound preferences.

Overall, the Meridian Audio C51 stands out as a versatile and high-performance preamplifier, combining advanced technology with elegant design. Ideal for audiophiles who seek exceptional audio fidelity and flexibility in their sound systems, the C51 promises to elevate your listening experience to new heights. Whether you’re enjoying your favorite vinyl records or streaming high-resolution audio, the C51’s advanced features and meticulous engineering ensure that every note is delivered with precision and clarity.