Raidho and Rowland

I thought the Raidho D-1 loudspeaker ($28,000/pair, including stands), was among the most interesting and musically impressive new products at SSI. Raidho, a Danish company known for their work with ultra-lightweight ceramics, has developed a process for bonding to their speaker diaphragms a thin coat of industrial diamond, conferring even greater stiffness and freedom from unwanted resonances. Paired with a Jeff Rowland Aeris D/A converter and Jeff Rowland 625 power amplifier, the Raidhos were impressive on a variety of material. We’ve all heard demonstrations where we came away saying, “I can’t believe they got so much bass out of such little loudspeakers,” but in terms of the sheer quality and scale of that bass, the Raidho/Rowland combination was on another plane altogether.
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