A mate has asked for my advice on an amp and speakers. They're for a
newly built extension, 5m x 4m x 2.4m(h), concrete floor/rugs, lowish
ceiling, lots of glass on 2 sides. He listens mainly through Spotify,
and classical, and has a turntable and CD player.

He's seen a Yamaha AS500 amp and Dali Zensor 3 speakers at Richer
Sounds, so a £500 budget. He has some stands. He also has first refusal
on some Dynaudio Contour 1.1s for £400.

I realise he should look at 'softening' the room - but any views on the
amp/speaker sides of things?

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Cheers, Rob