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RMAF 2013

Mojo–Atomic Audio Labs–VH Audio

John Atkinson Oct 21, 2013

"Together, We Make Beautiful Music" proclaimed the one-sheet that was handed to me in this room. "You are listening to a complete audio system that cost under $15,000," it continued, adding that "we put together this relatively modest playback system to better demonstrate the musical purity and refinement produced with products manufactured by: Mojo Audio, Atomic Audio Labs, VH Audio." $15,000 doesn't sound "relatively modest" to me, but the sound in this room was surprisingly good considering that the speakers were a DIY design using a full-range 8" unit and the amplifiers were vintage Allen organ tube models, based on the Williamson circuit.

RMAF 2013

Bryston's Big Bottom

John Atkinson Oct 21, 2013

"That's a lot of bass!" I was listening to the audiophile version of Nine-Inch-Nails' "A copy of a copy..." on Bryston's three-way Mini-T stand-mounted speakers ($2695/pair). The speaker's woofer has a large half-roll surround, suggesting good linearity at large excursions, which was confirmed by the fullrange sound in the room. The rest of the system included Bryston 28B monoblocks, hooked up with StraightWire cables and with a Bryston BDP-2 file player and BDA-1 DAC as the source.

RMAF 2013

Audio by Van Alstine amps & Salk speakers

John Atkinson Oct 21, 2013

These nice-looking standmounts are Salk Sound's Exoticas ($6000/pair), which use new high-performance drive-units from SEAS. Driven by an AVA solid-state amp (bottom in the rack), they produced a natural sound on a Kimber IsoMike cello recording. But when I first entered this room, the less-expensive, floorstanding Salk Sound Towers, which sell for less than $2000/pair, were producing a big sound on a Trentemoller track, driven by AVA's Ultravalve tube amplifier ($1995, above the solid-state amp in the rack), which gets 35Wpc from a pair of EL34s per channel. Preamplifier was AVA's new FET-Valve CF.

RMAF 2013

Low noise, superb sound from Hegel

John Atkinson Oct 21, 2013

Bent Holter, founder of and designer for the Norwegian company Hegel, explained that his circuits are based on work he had done designing ultralow-noise preamplifiers for the European CERN laboratory. Hegel's new H80 D/A integrated amplifier ($2000) replaces the H70, which was introduced in 2010, and uses the low-noise preamp circuit from the $5500 H300 amplifier and Hegel's patented feed-forward "Sound Engine" amplifier topology. It has two single-ended analog inputs, one balanced analog input, and five digital inputs, including USB. Though this doesn't operate in the usual asynchronous mode, it uses a proprietary topology said to eliminate jitter. The H80 offers 75Wpc into 8 ohms compared with the H70's 70W.

RMAF 2013

HiFi Imports dems Venture, Weiss, Thrax, Enklein

John Atkinson Oct 21, 2013

Colorado Springs-based HiFi Imports were demming their system in one of the Marriott's very large ground-floor rooms. Speakers were the Venture Grand Ultimate Mk.IIs from Belgium ($98,000/pair), which combine Venture's proprietary 2" tweeter, which uses a graphite-pulp-composite diaphragm, with a 7" midrange unit and four 7" woofers. All the lower-frequency drivers use carbon-fiber/graphite-composite cones and the speaker's frequency range is specified as 22Hz60kHz with a 92dB sensitivity.

RMAF 2013

Aaudio Imports & the enormous Lansche 8.2 speakers

John Atkinson Oct 21, 2013

I had been impressed by the 5.1 speaker from the German Lansche company when I reviewed it in July 2012. In particular, I found Lansche's horn-loaded ionic tweeter produced superb treble sound quality. At RMAF, I photographed Aaudio's Brian Ackerman standing by the enormous, 900lb Lansche 8.2 ($266,000/pair in Macassar ebony veneer), which combines that ionic tweeter with four 8" mid/woofers, crossed over at 2.5kHz.

RMAF 2013

Gold Sound Premiers Focal Speaker

John Atkinson Oct 21, 2013

Denver retailer Gold Sound was featuring Focal's new tower speaker, the Aria 948 ($5000/pair), in its room at RMAF, in a system featuring a Cambridge Audio 851E preamp ($1799) and Cambridge 851W 200350Wpc amplifier ($2499), both also new at the show. Front ends were either a Cambridge 851C CD player or a VPI Classic turntable fitted with the 3D-printed tonearm and an Ortofon Cadenza Bronze MC cartridge and amplified with a Parasound Halo JC3 phono preamp.

RMAF 2013

Vapor Audio & BMC at the Hyatt

John Atkinson Oct 21, 2013

As had happened at the 2008 Rocky Mountain Audio Fest, there were so many exhibitors wanting to show their wares at the 2013 show that there was some overflow housed at the nearby Hyatt Regency Tech Center. I'll be writing about the Scaena and Wilson exhibits at the Hyatt in stories to be posted later, but the first room I went into featured speakers from a company of which I had been unaware, Missouri-based Vapor Audio (www.vaporsound.com). The floor-standing Joule Black speakers ($12,995/pair) were being demmed with a BMC preamplifier and monoblock amplification, but beyond that I have nothing to write as no-one in this room seemed interested either in playing me music or giving me any information.

RMAF 2013

German Physiks–Vitus–Purist

Jason Victor Serinus Oct 20, 2013

In German Physiks’ room on the 11th floor of the Denver Tech Center Marriott, the Unlimited Mk.II loudspeakers ($13,500/pair) were mated with Vitus Audio’s RCD-100 CD player ($12,750), RD-100 D/A converter ($11,250), and RS stereo power amplifier. Held together by Purist Audio Design’s Corvus balanced interconnects ($2100/1m pair), fabulously named Aqueous Aureus digital cable ($705/1m), and Venustas speaker cable ($5450/7m pair), the system displayed a lovely midrange with a bit of hard edge on a golden oldie, Sara K’s “If I Could Sing the Blues.” (Who remembers the audio show where this track was playing in at least 7 rooms, if not more?) Regardless, I found the superb sense of depth and air uncanny.

RMAF 2013

Wyred 4 Sound with Emerald Physics

Jason Victor Serinus Oct 20, 2013

Thinking it was my last roomwrongI lingered for some time with two great and dedicated guys, Keith Greeninger and Dayan Kai of Wyred 4 Sound. Listening to “The Deeper That You Love” from a Blue Coast Special album, I found a moderately bright leading edge balanced by an extremely lovely midrange. “Mids very, very nice for this price” I wrote in my notepad. Then, “Summertime” on an Original Master issue of Patricia Barber’s A Distortion of Love yielded “a fabulous sense of space and air, and great low bass.” (“A great demo track,” I noted, although the same can be said for many of Barber’s wonderfully recorded and mixed tracks).