Quite right, distortion is a non-issue for any kind of amp as long as it matches the speakers (power, stability); and speaker distortion (waveform distortion, dB-frequency dependency etc) is far larger.

The most important thing is to have equipment that matches well. The reason is that many manufacturers deliberately make their equipment not really neutral, but colour the sound slightly to their likings. Some sources, amps, speakers will for example have more prominent highs than others. If you don't like prominent highs, you should avoid at least one of these in your source-amp-speaker chain.

I traded my Technics SE-9200 for a marantz 170DC (for the lows) plus a custom tube/transistor hybrid power amp (for the highs) for that reason. Nothing wrong with the Technics, but it sounded too sharp on my speakers. With the current setup, that problem is solved.

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