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equipment<br />

report<br />

Channel Islands Audio D-200<br />

Monoblock Amplifier<br />

Another offer<strong>in</strong>g <strong>in</strong> a rapidly grow<strong>in</strong>g area of amplifier design.<br />

Chris Martens<br />

Imet Dusty Vawter, President of<br />

Channel Islands Audio (often<br />

abbreviated to CIAudio), on a shuttle-bus<br />

ride to the Denver airport<br />

as we returned home from the<br />

Rocky Mounta<strong>in</strong> Audio Fest. Mr.<br />

Vawter, I learned, had been head of customer<br />

service at now-defunct Audio<br />

Alchemy before found<strong>in</strong>g CIAudio, and<br />

the experience left him with a refresh<strong>in</strong>gly<br />

different slant on high-end design.<br />

Like any serious manufacturer of audio<br />

products, he is passionate about sound<br />

quality, but more than many he believes<br />

Class D amplifiers are light, but the D-200s weigh<br />

<strong>in</strong> at a comparatively chunky 15 pounds apiece.<br />

components should offer solid buildquality<br />

and should be rigorously<br />

designed and tested to provide troublefree<br />

performance and reliability at sensible<br />

prices. Amen to that.<br />

CIAudio offers a range of audio components<br />

that <strong>in</strong>cludes a family of Class D<br />

amplifiers, some of which I’d heard <strong>in</strong><br />

speaker manufacturers’ demonstration<br />

suites at RMAF. CIAudio amplifiers are<br />

based on the comparatively new<br />

Philips/Hypex UcD (Universal class D)<br />

modules, rather than on the earlier<br />

Tripath or Bang & Olufsen/ICEpower<br />

technologies used <strong>in</strong> many other Class D<br />

designs. Like the NuForce amplifiers<br />

recently reviewed <strong>in</strong> TAS, the CIAudios<br />

are analog switch<strong>in</strong>g amplifiers, not “digital”<br />

amplifiers—an approach that proponents<br />

say gives Class D amps a more<br />

open and detailed sound. With the current<br />

proliferation of new Class D amplifiers<br />

on the market, many TAS readers<br />

(and writers) are curious to learn how the<br />

latest designs sound, and for <strong>this</strong> review<br />

we chose a pair of CIAudio’s newest<br />

model, the D-200 monoblocks. The D-<br />

200s are small, cube-shaped units that<br />

deliver 200Wpc at 8 ohms and sell for<br />

$2299 per pair. At that price, the D-<br />

200s offer two options: either 26 or<br />

32dB of ga<strong>in</strong> (the latter <strong>in</strong>tended primarily<br />

for use with passive level-controls),<br />

112 THE ABSOLUTE SOUND ■ APRIL/MAY 2006

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