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Diapason Adamantes III 25th Anniversary

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New, unused pair of this 25th Anniversary Adamantes III loudspeaker.


£3,600.00 £2,490.00

Call Choice Hifi on 020 8392 1959 or to enquire about this product!



Adamantes III 25th joins Diapason family to celebrate Adamantes worldwide famous speaker anniversary, designed in 1989 by Alessandro Schiavi and well-known for its diamond multi-faceted full-wood cabinet, owing its name to old Greek word meaning “diamond”. Adamantes has been a revolutionary and always modern design since 25 years ago.
Speaker-shape design was especially realized in order to match astonishing and realistic sound performance with Italian cabinet craftsmanship. This makes each speaker a unique and precious piece-of-art.
Full wood cabinet is engraved standing out multifaceted front and rear baffles in order to provide a circular emission of sound waves around the loudspeaker and to give a close approximation to the theoretical ideal of point-source radiation.
Sound performance is impressive in terms of 3-dimensional feeling: the loudspeaker quite simply ‘disappears’ from the scene, giving the listener the sensation of a highly realistic ‘virtual’ soundstage.

Closer to cabinet shape study of the Diapason flagship Astera, the front multifaceted panel of the Adamantes III 25th is provided with different angles compared to previous version Adamantes III, improving drivers emission and allowing more cabinet thickness. As a result of this improvement sound performance is considerably rich of harmonics , more controlled in cabinet resonances and capable to give realistic emotional feeling close to live musical events.



Brand: Diapason Italia

Model Name/Number: Adamantes III 25th Anniversary

Price (RRP): £3600

Choice Hifi Price: £2490

Product Information:

Frequency response
40/20.000 HzBass driver Ø
170 mm polymetylpentene
Diapason Direct DriveTweeter Ø
20 mm treated silk soft domeEfficiency
91 dB/1W/1mFreq. crossover
4.600 HzNominal impedance
6 Ohm

Min impedance
3,4 Ohm/200 Hz


rear-ported reflex speakerFinish
Canaletto walnut solid wood Water natural paint finishingWeight per speaker
8,5 KgDimensions speaker
240x360x365 mmOptional
cloth cover grille

Age: 2 Years

Condition: 10/10

Voltage: N/A

Packaging? Yes

Accessories? Yes

Item Location: In Stock

Status: New

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Dimensions 5708473 cm