Yamaha A-S2200
High-end Yamaha stereo integrated amplifier, built around a toroidal transformer and a rigidified chassis for an open soundstage.
Description
The A-S2200 is a stereo integrated amplifier from Yamaha, positioned at the top of the manufacturer's range. It draws on several technical solutions developed for a higher-tier model from the brand and aims for Hi-Fi reproduction that is both powerful and nuanced.
The unit is powered by a toroidal power transformer, a technology recognised for its performance in Hi-Fi electronics. The chassis has been designed with mechanical rigidity in mind: the large transformer, capacitors and heat sink are bolted directly to the chassis, and the feet are secured by bolts welded to the main structure. This construction aims to limit parasitic vibrations in order to achieve precise, rhythmic bass. Thick-gauge earth connection wires were also chosen for the amplifier's low-impedance design, with the aim of opening up the soundstage.
This type of amplifier is aimed at Hi-Fi enthusiasts looking for a stereo integrated amplifier capable of driving demanding speakers, with particular attention paid to mechanical stability and power supply quality.
What to check before buying used
On an amplifier of this category, it is worth checking the condition of the volume and balance potentiometers, as well as the proper operation of the protection relays, which can produce noise or cut-outs during use. Checking the internal capacitors, which can degrade over time, helps ensure original performance has been preserved. The fixing of the chassis and heat sink, elements bolted to the structure, also deserves a visual check after several years of use.
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