Tannoy 5.1 system

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Is there any reason why I wouldn't want to use Tannoy Precision 6's +
TS10 subwoofer in a home theatre 5.1 setup versus a package that's
actually marketed for home theatre hi-fi? I know these speakers have
wide dispersion, so is this likely to be a serious issue in an
untreated home theatre room with lots of sound splashing around?

Also, I'm looking at using a Denon AVR-2307CI receiver to drive them -
is this likely to seriously limit their performance?

Thanks,

David