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MERIDIAN G65 Digital Surround Controller

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MERIDIAN G65 Digital Surround Controller

Meridian’s G65 is the definitive new Digital Surround Controller of the G Series. In conjunction with the HD621 HDMI Processor, it unifies the diverse range of the latest audio and video sources with unified control over time alignment, bass management and surround sound processing. The latest in the G Series line of high performance components, G65 builds on the achievements of our flagship 800 Series, with entirely new circuitry developed specifically for the product.

20 years ago, in 1994, Meridian launched the 565, the world’s first Digital Surround Controller. Conceived as a multichannel music controller, 565 defined the surround category and rivalled the finest 2-channel products available.

In addition to establishing Meridian’s leadership in surround controllers, 565 set standards and introduced new concepts such as hardware and software upgradability. Indeed, virtually every feature introduced by Meridian in the 565 has set the standard in the industry. 565, combined with Meridian DSP Loudspeakers, represented the birth of the Meridian Digital Theatre, and launched Meridian into the world of multichannel audio and video. Like the MCD CD player, 565 was an iconic Meridian product that shaped not only its category but also the wider world of consumer audio.

The creation of the different elements that make up a Meridian home entertainment system comprises a unique combination of traditional techniques with the latest manufacturing technology.

Alongside the most sophisticated surface-mount insertion machines at Meridian’s headquarters near Cambridge, a great many aspects of the building of a Meridian product are carried out by hand, from determining the exact position of components on the board onwards. Some components cannot be fitted by machine: they may be too bulky or require precision alignment, or need installation with special care. In some cases, components are inserted on to the board by hand and wave-soldered. On other occasions, both insertion and soldering are carried out manually.

As the heart of a sophisticated Meridian Digital Theatre, G65 is a nexus for Meridian’s world-leading audio technologies. Designed to drive Meridian DSP Loudspeakers as well as providing balanced analogue outputs for conventional systems, G65 offers a single multichannel cable connection to the HD621, and SpeakerLink controls for Enhanced Bass Alignment, Centre Elevation, Bass, Tilt, Axis and Source Legend. Meridian’s unique Apodising upsampling system audibly improves audio quality and can even correct problems in an original digital recording. The listening room is part of the equation, thanks to Meridian Room Correction, smoothing out the low-frequency reverberation in a room to relieve muddiness and improve clarity and imaging.

Inspired by the flagship 861 processor, Meridian’s G65 features a card-based construction utilising 7-layer boards. This architecture makes it possible to build cards that handle specific audio tasks, rather than the large, multifunction boards common in much audio equipment, where the operations carried may not be complementary, and which can introduce problems like long tracks that can act as antennae for noise and interference. In addition to delivering performance improvements such as lower noise and crosstalk, the board/function-based approach can make it possible to upgrade the G65 when new technologies or requirements come along, instead of the entire product becoming obsolete.

The position of every part on a board affects its neighbour – ultimately impacting sound and picture quality. Part of the “Meridian Sound” results from the fact that co-founder Bob Stuart hand-tunes each card for maximum performance – and you can read his initials on every board.


G65 Surround Controller continues a 20-year legacy of category innovation and leadership.

20 years ago, in 1994, Meridian released the world’s first Digital Surround Controller, the 565. That same year Meridian entered the emerging home theatre market with another first, the Meridian Digital Theatre. This concept was based on the company’s new range of digital loudspeakers and the 565. The Digital Theatre and the 565 won more than ten awards in the first twelve months of production.

G65 continues this legacy with high performance, connectivity, and ease of use. When partnered with the HD621, the G65 features a comprehensive input capability to accommodate the widest range of audio and video sources. Now equipped with SpeakerLink and balanced analogue outputs, G65 is equally at home in Meridian Digital Theatres and with analogue loudspeaker-based systems.

G65, named in honour of 565, is now the definitive surround controller second only to the flagship 861, but deriving many of its capabilities and performance from its big brother. A worthy successor to the world’s first Digital Surround Controller, the 565.

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