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Meridian Audio G57

Availability: In stock

We Aim To Dispatch Goods Within 3 Working Days

£3,000.00

Designed to match other G Series components, G57 features a luxurious bead blasted metal exterior with glass accents. Two channels of 200 watts of clean power provide breathtaking performance from any passive loudspeaker. Like the G55 multi-channel amplifier, G57 is based on innovations in amplifier design first introduced in Meridian’s flagship DSP8000 Loudspeaker.  G57 is equally at home partnering with 800 or G Series. When combined with G55 and a Meridian Surround Controller, the G57 becomes an integral part of a 7.1 analogue theatre system.  


 


Buy NOW with the Meridian Ultra DAC to get a FREE upgrade to the NEW Meridian 857 Reference Two-Channel Power Amplifier releasing soon!

 

Offer ends upon the release of the 857 in late September 2016.

Soundcraft's Opinion

Fantastic 2 channel amplifier really it worth a home demonstration.
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Meridian Audio G57 Front

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Full Description

 

Overview:

While providing 200 watts per channel, the G57 can be bridged to provide a staggering 1,000 watts of mono power. This allows a system to grow from a single G57 in stereo, to a pair in mono for a reference level amplifier combination. Meridian’s “Super Balanced” operation internally balances even single ended signals for the best sound quality.  

Design:

G57 is constructed of a bead blasted, metal chassis with glass accents that surround an additional inner chassis. This double skinned approach protects delicate signals inside the G57 to be isolated from outside noise. This is just one of the means that Meridian employs to deliver lifelike performance while keeping an eye on industrial design.

Designed for the ultimate in performance and flexibility, G57 incorporates a unique bridging circuit that reconfigures both channels into one mono channel. In this mode, two channels are combined to provide 1,000 watts of power - this makes for a simple upgrade path that allows you to start with one G57 in stereo and then add another for higher performance.

A 12-volt trigger input allows the G57 to be activated from your preamp or surround controller. This makes for simple, care free, and efficient operation. This trigger is optically isolated from the amplifier, thus eliminating any chance of noise.

Unlike other amplifiers, G57 maintains a standing voltage on the power rails and supply components. As a result, you do not have to wait for the amplifier to “warm up” before reaching its optimum performance. This means great performances as soon as the system is turned on.

For custom installations, G57 uses the same G Series Rack kit making it simple and easy to install. A separate output trigger controls intake and exhaust fans integrated into the rack kit. This ensures the fans operate when the G57 is on, keeping it at its optimal temperature. This provides not only the best performance, but also ensures maintenance free use when installed into an equipment rack.

G57 offers bi-wire capability for higher performance passive loudspeakers. This provides higher quality sound to the speaker than that of a single connection. Like all G Series amplifiers, internally the G57 is wired with silver stranded cable to avoid signal loss.

Technology:

The G57 contains two amplifier modules, featuring a symmetrical design with fully electronically balanced inputs. Meridian employs a soft start circuit that eliminates any turn on and turn off “thumps.” Both balanced and unbalanced inputs are provided, with the unbalanced inputs converted to balanced before entering the amplifier itself. This “Super Balanced” design provides the highest quality music, while keeping noise at a minimum. All of this produces one of the most musical amplifiers available.

Special attention has been paid to ensuring that the amplifiers can deliver the power that is required at any given moment. Massive twin low-noise toroidal power transformers provide power to no less than four selected pairs of output devices fed by four audiophile-grade smoothing capacitors per channel. Each channel is carefully temperature-controlled for optimum operating characteristics and efficiency. The result is a clear, open sound with deep controlled bass.  

Sharing many common design parameters developed for the power amplifiers in Meridian’s flagship DSP8000 Digital Loudspeaker systems, G57 is designed to provide the best performance with any passive loudspeaker. These innovations include a unique, ultra-low-feedback design and capacitor-free signal path. These combine to provide incredible control and speed for fast tight bass and outstanding sound quality from a passive loudspeaker.  

With balanced analogue inputs and 12-volt trigger, G57 compliments both Meridian 800 and G Series in either a two-channel system, or, as the main channels of a high performance analogue theatre when combined with G55.

CONSTRUCTION

 Dual-mono construction. Four pairs of output devices and four audiophile-grade PSU smoothing capacitors per channel. Ultra low impedance error-corrected output stage. DC coupled, with no capacitors in the signal path. Soft start and thermal management in main assembly. Optimised magnetic design based on DSP8000. Meridian black or silver finish in metal & glass.  



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Specification


 
INPUTS
Balanced on XLR-3F connectors and unbalanced on phono  

Outputs
2 output sets per channel, terminal posts Power Output
2 channels at 200W into 8Ω, or 1 channels at >650W into 8Ω (bridge mode), ~1000W into 4Ω  

Distortion
Less than 0.01% input to output
Signal/Noise
Better than –100dB  

RACK MOUNTING
Kit available from Meridian authorized dealers  

CONTROLS
Rear-panel power switch; per-channel switches for balanced or single-ended input; Bridge/ Stereo mode switches

TRIGGER
Wide voltage-range (5–30V, AC/DC) trigger input for remote standby/on switching

DISPLAY
Power/Fault indicator and per-channel operation LEDs

POWER
Versions: 100, 110, 115, 220, 230, 240 Vac, 50/60Hz.
Standby 31VA, Idle 58VA, 5 channels driven 748VA  

CONSTRUCTION
 Dual-mono construction. Four pairs of output devices and four audiophile-grade PSU smoothing capacitors per channel. Ultra low impedance error-corrected output stage. DC coupled, with no capacitors in the signal path. Soft start and thermal management in main assembly. Optimised magnetic design based on DSP8000. Meridian black or silver finish in metal & glass.