Stellar sound and style

Some manufacturers are a little vague about the rooms in which they think their loudspeakers will perform at their best, and the amplifier power most suited to their capabilities. Not Italian manufacturer Chario. 

For its Constellation II Delphinus model, it specifies: ‘The size of the ideal listening environment should not be less than 9 square metres and not more than 20 square metres. 
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https://www.whathifi.com/reviews/chario-constellation-ii-delphinus