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KR Audio VA340 Mk.II Integrated Amplifier

The single-ended triode (SET) amplifier enjoyed a fairly brief surge in popularity several years ago, but then audiophiles rediscovered facts that had become obvious in the 1920s and ’30s: SETs just didn’t have enough power to drive most speakers. So push-pull amplifiers again became the standard, and SETs dwindled in popularity. But some companies found the SET sound so beguiling that they tried to overcome the technology’s power deficit. Their success has been mixed. Several models with more power than the early SET amps were developed, but the most powerful of these still produced little more than 50Wpc, and were typically big, heavy, and expensive.

It’s not surprising that KR Audio, in the Czech Republic, has continued to design and make higher-powered SET amps. Originally, KRA manufactured tubes; specifically, power triodes designed to be used in SET amps. It was a logical progression for KRA to build a line of amplifiers that could use their tubes -- such as the integrated amplifier reviewed here.

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PMC IB2i Loudspeakers

In June 2012, SoundStage! Network publisher Doug Schneider reviewed the PMC twenty.24, the flagship of the British company’s twenty line. Not long after completing his review, Doug told me how impressed he was with the twenty.24, noting that it displayed a remarkable midrange purity, and impressive bass extension for such a modestly sized floorstander. He then asked if I’d be interested in reviewing the IB2i, the smallest three-way studio monitor in PMC’s flagship “i” series. I responded immediately: “Absolutely!”

There were several reasons for my enthusiasm. First, I’d never reviewed so large a stand-mounted speaker, let alone one that’s a transmission-line design and costs $21,999 USD per pair. Second, if the IB2i proved even half as impressive as Doug found the twenty.24, I was in for an ear-opening experience. I was put in contact with David Callam, national product manager for PMC’s Canadian distributor, Precor. Callam proved invaluable throughout the review period, patiently answering my myriad questions and providing an abundance of information. But informative as he was, I was still unprepared for the surprises the IB2i had in store for me.

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Cabasse Pacific 3 Loudspeakers

When I asked to review a properly expensive pair of loudspeakers and was offered a pair from France, my trepidation ran high. Damn. I’d been pining for some example of traditionally designed, overbuilt awesomeness to be ushered into my listening room for what would be my first foray into Ultra Audio territory. Instead, a pair of Cabasse Pacific 3s was sent from across the pond in what could only be an unorthodox fashion -- hot-air balloon, perhaps? Cabasse makes some pretty wonky stuff, the pinnacle of which is La Sphère, a spherical (of course) four-way coaxial loudspeaker that retails starting at $175,900 USD per pair. Cabasse it is, then.

Description

The three-way, floorstanding Pacific 3 ($16,000/pair) is 51.6”H x 11.4”W x 23.2”D and weigh 124 pounds each. My strong recommendation would be to enlist some help to marshal the large Pacifics into place. The Pacific 3 is distinctive in appearance. The eye is first drawn to the white-ringed coaxial tweeter/midrange drivers. A friend took one look at them and said, “Nice speakers, bro, but what’s with the alien eyes?” The BC17 driver doesn’t quite fit in with the rest of the Pacific 3’s looks, but don’t be fooled into thinking that it’s a gimmick or merely for show. The tweeter is on the large size at 1.35”, and made of Kaladex, an alien-sounding plastic from DuPont. Cabasse decided to forgo a metal diaphragm because, though the first breakup mode of a well-designed aluminum tweeter can be pushed just past the range of human hearing (which tops out at around 20kHz), when breakup does occur, the Q factor (a parameter that enjoys an inverse relationship with damping) rises sharply, with an amplitude potentially reaching 15dB. In other words, the driver rings like hell. The reason that many high-end speakers now make tweeters of beryllium is that they don’t tend to break up until around 35kHz. Kaladex was chosen for its considerable rigidity, but it also has good internal damping, which prevents, or at least ameliorates, high-frequency breakup modes. The plastic’s ratio of high rigidity to density also yields high efficiency and low distortion. The Kaladex tweeter’s upper-frequency limit is specified as 20kHz.

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Sonus Faber Venere 3.0 Loudspeakers

It is the reviewer’s job not only to describe the sound of the component under test -- although that’s a huge part of it -- but also to provide some context for that sound. It’s naïve to think that products and their sounds exist in a vacuum, with no relation to other, similar products. There’s always something else vying for the buyer’s attention, and these days the competition is fierce in almost every category of consumer electronics, and at all the popular price points. Therefore, one of the most relevant assessments a reviewer can make for a reader is where a product ranks among its peers in the overall marketplace. This gives potential buyers an informed overview that they can use to help make wise buying decisions.

For example, if you were to walk into a showroom and hear, see, and feel the Sonus Faber Venere 3.0, you might not guess their cost right off, particularly if you have any experience with high-end audio and know how absurdly high the prices can be. You might be surprised that the Venere 3.0 retails for $3498 USD per pair -- surprised by how little that is compared with how much it buys.

One of the most interesting tests of the cost of a new product is the general public -- not just the subset of buyers who might be interested in that particular product. We’ve all had friends who gasp when we tell them how much our new preamp cost. Conversely, folks who have visited my home while the Venere 3.0s were playing have been quite accepting when told the retail price of the speakers -- a semi-remarkable feat for a high-end brand. Let’s face it: most of the high end makes no sense to the average guy.

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