Audiophilepure

https://www.hifinews.com/content/castle-windsor-duke-loudspeaker

The crossover is a fourth-order Linkwitz-Riley type set at a moderate 2.1kH and featuring air-cored inductors. While it is more common to use iron-cored inductors in the bass arm of the crossover for their reduced copper turns, the slightly higher resistance of these air-cored types is allowed for in the design of the bass/mid driver. The result, according to Castle, is ‘a flat response with an easy load for amplifiers and low distortion’, claims that are largely backed up by PM‘s independent measurements.

Fit and finish of the loudspeakers is immaculate, and they are glorious pieces of furniture in their own right. Magnetically attached grilles are supplied but they are best left in the box, for reasons I’ll return to. Dedicated open-frame metal stands are available for an additional £500 but these were not supplied for review, so the Dukes were auditioned atop mass-loaded Atacama SL-600 stands, and connected to my regular Yamaha C/M-5000 pre/power amplifiers

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