Larry Greenhill

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Larry Greenhill Posted: Jan 16, 2012 0 comments
Harman Specialty Audio introduced the new Revel Performa 3 series of loudspeakers at the 2012 CES. Kevin Voecks, lead audio engineer in the design, was delighted at the increased performance of Performa 3 series, including the $4500/pair, three-way, F208 full-range floorstander and the $1750/pair M106 two-way bookshelf. The F208 replaces the more expensive, $7500 F32 Performa in the previous series.
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Larry Greenhill Posted: Jan 16, 2012 0 comments
Brent Hefley, Marketing Manager of Ayre, walked me through the circuit layout of Ayre's newest amplifier, the $14,950, dual-mono, 200Wpc (8 ohms) VX-R. Based on the well-regarded and long-established MX-R monoblock and introduced at the 2011 CES, the VX-R uses Ayre's ultra-fast printed circuit board materials. Ayre is expecting great things, Brent told JA, from its recent hiring of ex-Classé and Linn engineer Alan Clark, who joins Charlie Hansen and Ariel Brown as the Colorado company's creative engine.
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Larry Greenhill Posted: Jan 16, 2012 0 comments
I heard very detailed and rich sound in the exhibit run by Lamm Industries and by Verity Audio. The system setup included $95,995 Verity Audio Lohengrin II speakers, $37,190/pair Lamm ML2.2 single-ended, dual-chassis 18W amplifiers, a $28,000 Kronos turnable with a $5,200 Phantom II XL12 tonearm, $5500 Dynavector X1Vs cartridge, and $97,000 worth of Kubala-Sosna interconnects, speaker cables and power cords. Julien Pelchat, the Vice-President of Verity Audio, walked me through the design of the Lohengrin II speakers.
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Larry Greenhill Posted: Jan 16, 2012 0 comments
Skullcandy, a manufacturer of trendy headphones, put up a huge multi-level exhibit in CES's Las Vegas Convention Center South Hall. In general, I was surprised at the large amount of exhibit area purchased at the Las Vegas Convention Center South Hall by headphone manufacturers this year at the CES. It dwarfed the spaced occupied by audio manufacturers of home quality equipment, taking many times the space occupied by home audio amplifiers and loudspeakers.
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Larry Greenhill Posted: Jan 16, 2012 1 comments
The Audio Power Labs exhibit took my breath away, Imagine, a huge, beautiful $175,000 per pair, 200Wpc monoblock tube amplifier using 833C, graphite-plate, radio-frequency transmitter tubes that have a bandwidth of 30MHz and run with 1500V on the plates! These tubes were used in the output stage of BCF-1 radio transmitters. Now imagine that the amplifier's designers are named Squeek Rieker (right) and Peeya Iwagoshi (left), and you know why I had to pinch myself to make sure I wasn't dreaming.
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Larry Greenhill Posted: Jan 16, 2012 1 comments
Soulution Audio's Cyrill Hammer was on hand to discuss the company's "small" Soulution 501 mono Amplifier ($55,000/pair). Similar in design to the Soulution 710 stereo amplifier that had so impressed Michael Fremer in the August 2012 issue of Stereophile, the more diminutive 501 monoblock amplifier is rated at 125W into 8 ohms, utilizes six switching-mode power supplies, and features a high-bandwidth, zero-feedback voltage-amplification input stage. Unlike the 176 lb Soulution 710 stereo amplifier that required three good men to move into Mikey's listening room, the 501 weighs in at a "mere" 80 lbs per chassis.
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Larry Greenhill Posted: Jan 16, 2012 0 comments
Luke Manley and Bea Lam of VTL were on hand as host and hostess at the VTL exhibit suite at the Venetian Hotel to present their two new stereo tube amplifiers, the $33,500, 400Wpc S400 Series II amplifier, and the $10,000, 200Wpc S200 Stereo Signature amplifier shown in the photo. Although the S400 was configured into a floorstanding tower and the S200 in the rack-mounted chassis used for their MB-450 monoblock amplifier, both new products feature VTL's latest tube technology, including fully balanced, differential input stage, VTL's SmartTube technology with automatic bias and screen supply adjustments and fault sensing, and a new user-adjustable damping factor feedback control. The feedback loop amount can be precisely set to suite the listener's taste via three-position switches located between the input tubes on the top of the chassis.
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Larry Greenhill Posted: Jan 16, 2012 0 comments
I visited Burmester's President, Dieter Burmester, in the German company's Venetian Hotel Suite. As well as high-end audio products Burmester also manufactures high-perfomance music systems for the Bugatti Veyron and Porsche sports cars. I mentioned that I saw Dieter's likeness in a sketch for an interview with him and Richard Chailly that appears in the latest Christophorus, the Porsche's owner's magazine. That led to chat about our favorite automobiles, and from there to high-end audio. Dieter hopes putting high-end audio in the Porsche Panamera and 911 automobiles will introduce high-end audio to a younger but affluent generation now focused on limited-fidelity MP3 on their iPods.
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Larry Greenhill Posted: Jan 13, 2012 0 comments
Pass Labs’ engineer Wayne Colburn insisted that the name of their latest amplifier, the Xs, was not a pun. He spent over an hour detailing the 3-year design project that culminated in the company's $85,000/pair, solid-state, two-chassis-per-channel, class-A amplifier. Leaning on the 4.5-foot stack of the amplifier's stereo configuration, Wayne spoke about how the design was based on the results of an examination of transfer characteristics of a diverse set of gain devices, including tubes and SITs (silicon-carbide devices that are exclusive, we believe, to Pass Labs for use in audio). The output stage was designed to reproduce the transfer characteristics preferred by a panel of listeners, who lived with a variety of different output stages for a lengthy period of time.
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Larry Greenhill Posted: Jan 13, 2012 0 comments
Ypsilon's Demetrius Baklavas (right in photo) and Ypsilon's US distributor, Brian Ackerman of AAImports, demonstrated the Aelius amplifier to John Atkinson (left) and myself—the amplifiers were doing a fine job of producing dynamics and superb open highs from the plasma tweeters of the new, floorstanding Lansche 7 loudspeakers.

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