Purité Audio's BLOG, we believe in measuring, we believe in high Fidelity through science and souns engineering!

November 15, 2018

George Apsion of Kore-Studios asked me to bring down a pair of D&D's 8Cs to West London to take part in a three way speaker shoot out!

George and Mark were charming as was Tom from KMR who bought along some 'Pro' Kii THREEs and some PSIs their 215s.

Kore is a 'proper' studio,it was fascinating to hear all three speakers in a professionally created environment.

George mentioned how important it was that the ambient noise of the studio be extremely low and it was quiet!

George wanted to compare,

Dutch&Dutch 8C

PSI 215

Kii THREE

Tom from KMR brought along a clever switch box enabling instant switching and trim for the speakers.

The room soun...

July 10, 2017

Not actually that brutal at all, I thought it would be interesting to compare KEF's excellent LS50 passive model to their LS50 'wireless' active version.

The measuring microphone position was in the MLP ( main listening position ) and was not moved. Each loudspeaker was measured at 50cm from the rear wall 100cm from the rear wall and 150cm from the rear wall,each speaker at least one metre from the side walls.

 Above are the measurement plots for the LS50 passive, green is 150cm or 'free space'

magenta is 100cm away and blue 50cm away from the rear wall.

 Above the LS50 active verion, in the same three distances from rear wall,...

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