Computer addenda have never rocked my world, so I'm the last person who'd watch a DVD through his PC or listen to music via CD-ROM or DVD-ROM drives. (I keep a Musical Fidelity X-RAY CD player, a ca. 1972 Marantz 1060 integrated amplifier and a pair of LS3/5As on my desk for music-while-I-work.) Secondly, I don't understand why the industry is touting 14in-21in LCDs for use as anything other than computer monitors. All those ads with brainless life-style settings and sleek-but-stupid clothes horses watching movies on 20in LCDs? Utter nonsense. But maybe there is a need for something in-between full-scale TVs (say, 29in and above) and portable DVD players with screens smaller than most notebook PCs. As well as gaming consoles, personal hi-fis, ad nauseum. In which case, there's much justification for compact sub/satellite systems.
And this one is nothing less than fascinating.
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Start with the 15in tall, genuine cherry hardwood XDSW1 subwoofer, with technology courtesy of JVC: it looks like a Sonus Faber Guarneri turned front to back, so the pointy area is what you see. A blue LED in the logo lights up to tell you it's activated. Firing from below is 6.6in long-throw, paper-coned woofer with an eight-layer edge-wound voice coil. The cabinet, which features 'elaborate bracing and damping design to minimise resonance', rests on four conical feet to raise it above its 10x13in base plate by a couple of inches. The 'tiptoes' are also said to improved both coupling AND isolation - bit of an oxymoron if you ask me, but what the hey.
Xhifi specifies the XDSW1 as covering 30-230Hz, the crossover fixed for the XD1 satellites. Its built-in amplification includes a pair of 50W Model 50 'Class D' Digital Amplifiers (said to operate at 90 percent efficiency) for the 6 ohm satellites and a Class B 50-watter for the subwoofer itself.
At the back of the subwoofer is a panel containing the on/off switch and a captive mains lead, a master volume control for the sub
Then you come to the novelty element of the system, the cherry wood 'sticks' that serve as the satellites. These may cause a twinge of recognition if you're familiar with the current JVC catalogue, as similar speakers feature in a couple of the company's mini-systems, only in high-tech metals rather than gorgeous woods. What Xhifi appears to have done is re-housed all the units in these handsome wooden cylinders, including the subwoofer; JVC's equivalent subs are cubist designs aimed at the Pepsi Max crowd. Make no mistake: the XD1s are eye-catching, which is why this review came about. I walked into the Xhifi room at the Stereophile show, took one look at the xDucer system and knew I had to have a go at it. Especially when I was told they were 'ribbons'.
Inside the 13in tall cylinder - its cross-section is roughly that of a medium-sized egg, and the plinth is but a 5in circle - is JVC's 'Aosis' Direct Drive Stick driver technology. It consists of a 'cutting-edge 360 degree track-type dome driver' with 'advanced' rare-earth neodymium magnet structure to provide continuous 'Direct Drive' current along the entire area of the diaphragm. The latter is only 10mm wide and 95mm long, an ultra-low mass, high-molecular polyamide diaphragm with voice coils impregnated along both sides. Dispersion is said to be 360 degrees, and the ultra-high frequency limit is stated as 'over 50kHz'.
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