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Singular Performance

The Meridian G57 is our powerful Two Channel Power Amplifier. Suitable for a variety of applications the G57 includes both balanced XLR-3F analogue inputs and unbalanced phono inputs. The unbalanced inputs are converted to balance before they enter the amplifier itself, using Meridian’s proprietary ‘Super Balanced’ technology. The G57 combines power, clarity and flexibility for the ultimate in 2-channel amplifier performance at any volume level.

Key Features:

  • 2 x 200W into 8ohms continuous amplification driving both channels. 2 channels at 200W into 8ohms, or 1 channels at >650W into 8ohms (bridge mode)
  • 1-100kHz frequency response -/+ 2dB – Perfect for high resolution audio.
  • Double skinned metal and glass construction
  • RCA and XLR analogue inputs.

STEREO OR MONOBLOC
In normal mode, delivers 2 x 200 watts into 8 ohms continuously on both channels. In bridged mode, delivers 1 x >650 watts into 8 ohms or 1 x ~1000 watts into 4 ohms.

POWER WITH FINESSE
Features a capacitor-free signal path for fast, accurate bass and a unique ultra-low-feedback design for superb overall sound. Each channel delivers its audio from four pairs of high-powered output devices.

BUILT TO PERFORM AND TO LAST
The elegant aluminium, steel and glass case houses the two independent amplifier assemblies, each with its own massive internal heatsink. A huge toroidal transformer and four highly-specified reservoir capacitors ensure amazing instantaneous power is available whenever it is required.

BALANCED DESIGN THROUGHOUT
The signal path is balanced throughout - fed from either the XLR balanced inputs or from the "SuperBal" circuitry which converts unbalanced (single-ended) signals to balanced audio as soon as they enter the amplifier.

ELECTRONICALLY PROTECTED
Features full protection against thermal overload, DC on its inputs and short-circuits on its outputs.

DUAL BINDING-POSTS
Both channels feature two pairs of binding-posts on their outputs to facilitate bi-wiring of loudspeakers with two sets of connection terminals.

AUDIO INPUTS

  • Balanced on XLR-3F connectors
  • Unbalanced phono

AUDIO OUTPUTS

  • 2 output sets per channel, terminal posts

PERFORMANCE

  • Distortion - less than 0.01% input to output
  • Signal/Noise -better than –100dB

POWER OUTPUT

  • 2 channels at 200W into 8ohms, or 1 channel at >650W into 8ohms (bridge mode), ~1000W into 4ohms

TRIGGER

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

DISPLAY

  • Power/Fault indicator and per-channel operation LEDs

CONTROLS

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

DIMENSIONS / WEIGHT

  • HEIGHT: 132mm [5.2in]
  • WIDTH: 440mm [17.32in]
  • DEPTH: 350mm [13.78in] plus connectors
  • WEIGHT: 24kg [53lbs]

RACK MOUNTING

  • Kit available from Meridian authorised dealers

POWER

  • Versions: 100, 110, 115, 220, 230, 240 Vac, 50/60Hz.
  • Standby 17VA, Idle 48VA, Both channels driven 600VA
User Manual