RMAF 2011

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The Thoress F2A11 integrated amplifier

We didn’t listen to the Thoress F2A11 integrated amplifier, but just look at it: It’s awesome.

Entirely hand-built by Reinhard Thoress, the amplifier uses NOS Siemens F2A11 power tetrodes, which High Water Sound's Jeffrey Catalano explained, were popular in the Klangfilm cinema amplifiers of post-war Germany. Three line-level inputs are selectable by a rear-panel rotary switch, while separate volume controls for each channel can be adjusted using carefully matched high-grade rotary potentiometers. Why? I don’t know why, but it’s cool.

According to Catalano, the sound of the F2A11 is crystal clear. It “just cuts through all the BS.” There you go. The Thoress F2A11 looks like some kind of a tank, delivers about 6Wpc, and costs $8000.

The Townshend Rock 7

The analog front end in the E.A.R. USA room was the Townshend Rock 7 turntable ($3200), with its unique system for applying damping where it is most needed, at the cartridge end of the arm rather than the pivot, fitted with the Helios Omega arm ($2800) and a Dynavector XV1S cartridge. Phono preamp was the E.A.R. 324 that both Art Dudley and Mikey Fremer have enthused over in the pages of Stereophile.

The Zesto Audio Andros PS1 Phono Stage

Zesto Audio was a name new to me, but their versatile Andros PS1 tubed MM/MC phono stage ($3900) was getting great sound from Billie Holiday's "Day In, Day Out," played on a Thorens TD309 player ($1900) fitted with a Dynavector DV-20X2L cartridge ($850). The rest of the system comprised a ModWright LS 100 tube preamp ($3495) and ModWright KWA 150 solid-state amplifier driving Fritz Carbon 7, Rev.5 speakers ($1795–$1950/pair), wired with WyWires.

Thiel USS Sub

Retailer Denver Audio Designs was featuring Thiel's elegant-looking SCS4T tower speakers ($3690/pair) in its RMAF room. But the Dire Straits album playing when I entered the room had more low bass than I remembered the Thiels giving when we reviewed them. The system was familiar—Simaudio Moon 360D player, 350P preamplifier, and 330A amplifier, all wired with StraightWire—but then I saw in the corners a pair of Thiel's new USS subwoofers. The towers were bring run full-range, with the subs reinforcing the sound below 40Hz.

Usher's Dancer Mini 2

I know audiophiles are not supposed to like Diana Krall. But the singer/pianist has true jazz instincts. Her version of Joni Mitchell's "A Case of You," played back an open-reel tape on a Right Sound-modified Studer A80, with the Usher Dancer Mini 2 speakers ($4999/pair) driven by Usher amps and connected with JPS Aluminata cables was gripping. Undoubtedly contributing to the quality of the sound was the fact that, like many exhibitors, Usher had made a serious attempt to modify the acoustics of their room at RMAF with acoustic treatments.

Vandersteen Tréo—"Dimensional Purity"

"Dimensional Purity" is the promoted benefit of Richard Vandersteen's approach to speaker design, and in one of the two rooms I went into at RMAF organized by Fort Collins retailer The Audio Alternative, the Vandersteen Tréos ($5990/pair) were living up to that promise. Driven by an Audio Research Vsi60 integrated amplifier ($4495) with the source the Bryston BDP-1 digital player and BDA-1 DAC, all hooked up with AudioQuest cable, Mark Isham's Blue Sun reproduced with excellent bass extension and clarity and a laidback but detailed midrange.
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