Yamaha A-S2200
Yamaha A-S2200 stereo integrated amplifier, built around a toroidal transformer and a rigid chassis for a wide soundstage and expressive bass.
Description
The A-S2200 is a stereo integrated amplifier from Yamaha, positioned within the brand's high-end range and presented as the heir to several technical solutions from a higher-tier model in the same series. It is aimed at demanding Hi-Fi listening, where sound reproduction seeks to combine power and musicality.
Its power supply is built around a toroidal power transformer, a technology recognised in Hi-Fi components for its ability to deliver stable energy in the face of variations in the musical source. This electrical stability translates, when listening, into better dynamic control and a more faithful reproduction of the artistic intent contained in the recording.
The design of the chassis has also received particular attention. Large-gauge wires were chosen for the earth connections, following a low-impedance design approach intended to open up the soundstage. The mechanical earthing concept, meanwhile, aims to maximise the rigidity of the whole unit and limit unwanted vibrations, with the goal of achieving more expressive and rhythmic bass.
Structurally, the transformer, capacitors and heat sink are bolted directly to the chassis, while the feet are secured by bolts welded to the main chassis. This assembly reinforces the amplifier's overall mechanical stability.
This type of amplifier is aimed at a permanently installed stereo system, where soundstage quality and bass control are paramount. It will suit a listener seeking an integrated amplifier capable of delivering an open sound image and controlled dynamics.
What to check before buying used
The motorised volume potentiometer deserves careful checking: listen for hiss or a channel cut-out at the end of its travel, a sign of worn tracks. Also check that the speaker terminals are properly tightened with no play, and that the input selectors are clean, as these can sometimes develop poor contacts after several years. Finally, checking for silent operation at idle helps detect any potential ageing of the power supply capacitors.
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