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Audio Research Reference 6SE: $19,500
An updated version of the discontinued Ref 6, with changes in capacitors and wiring, the fully balanced, tubed '6SE impressed JVS, who noted that when he installed the Ref 6SE in his system, his speakers "poured forth some of the most polished, transparent, and arresting sound" he'd heard from his system. Longer-term listening, however, indicated that the Audio Research preamplifier was sensitive to setup issues. Once he had optimized everything else in his system—cables, footers, stands, AC supply—JVS could report that…

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Bel Canto E1X: $6200
Trickled down from Bel Canto's premium Black line, this slimline, lightweight amplifier uses the well-regarded Ncore class-D modules and a low-noise switch-mode power supply. TG commented positively on the e1X's image specificity, low-frequency control, and extremely low background noise. "I didn't expect to be so completely gobsmacked by the level of clarity and musicality I'm hearing now from the e1X," he concluded. JA's measurements revealed that the Bel Canto easily exceeded its rated output powers of 250Wpc into 8…

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Boulder Amplifiers 2108: $56,000
When he reviewed Boulder's flagship 2008 phono preamplifier in 2002, MF concluded that "it's hard to believe that, for some time to come, any [phono preamp] will equal or surpass the monumental performance of Boulder's 2008." Almost two decades later, the new two-box flagship replaces the 2008's three power supplies with four: left, right, logic, and an independent standby supply. The through-hole components and boards have been replaced by surface-mount equivalents, and the circuitry features…

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ampsandsound Bigger Ben: $5600
This single-input, single-ended, triode-wired, no-negative-feedback tube amplifier drives both loudspeakers and headphones. It offers approximately 8Wpc into 8 ohms and 5Wpc into 32 ohms (when equipped with a solid state rectifier and KT88 output tubes). With 6L6GC output tubes, when it maxes out at 3Wpc, the Bigger Ben powered Zu Soul Supreme speakers "to greater levels of transient and timbral exactitude . . . than most any other amp I've tried," wrote HR. With DeVore Orangutan O/93s, HR found the Ben…

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Audiovector R8 Arreté: $77,500/pair
Optional grounding cable adds $3850. (Vol.44 No.9 WWW)

Bang & Olufsen Beolab 90: $115,000/pair ★
(Vol.40 No.1 WWW)

Dutch & Dutch 8c: $14,950/pair (stands necessary)
(Vol.42 No.8, Vol.43 No.4 WWW)

Dynaudio Confidence 30: $24,000/pair
(Vol.44 No.8 WWW)

EgglestonWorks Viginti: $42,795/pair ★
(Vol.41 No.6 WWW)

Estelon Forza: $169,000–$185,000/ pair depending upon finish
(Vol.44 No.11 WWW)

Estelon XB Diamond Mk II: $58,000/pair–$65,200…

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JL Audio CR-1: $3500 ★
The CR-1 crossover has continuously variable high- and low-pass filters built around two banks of precision Linkwitz-Riley filters that can be set for 12 or 24dB/octave via. Front panel switch. Upon encountering the CR-1, LG "wondered where it had been all [his] life;" he's been using it ever since. "It's beautifully made, sonically transparent, performs a critical role in the optimal setup of subwoofrs, and has ergonomic bypass and mute functions that let you immediately hear the sonic iprovements of good bass management…

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ampsandsound Bigger Ben: $5600
See "Integrated Amplifiers."

Dan Clark Audio Stealth: $3999
The Stealth weighs 415gm and presents a low (23 ohm) impedance and a low (86–87dB/mW) sensitivity. HR was impressed by these closed-back, planar-magnetic headphones, which feature a patent-pending Acoustic Metamaterial Tuning System (AMTS)—an intricately formed, waferlike partition situated between the driver diaphragm—and the deeper-than-average ear cavity. He wrote that the Stealth's sound was "clear, finely detailed, and extremely…

AC Nexus Advanced Power Distribution & Ground Enhancement System: $20,000
Steve McCormack, once the proprietor of The Mod Squad, is the man who introduced the concept of accessory isolation feet—his Tiptoes were aluminum cones with flat tops and sharply pointed feet. Now he's brought to market this passive AC-power filter, whose Panzerholz enclosure contains two fist-sized silver-conductor capacitors from Duelund. The IEC AC inlet is a Bocchino Audio Marriner10 and the AC outlets are four Furutech Nano Crystal Formula duplexes. Four Cardas ground posts of…

Audio Research Tube Damping Rings: $5 each
Damping rings for all AR products are now available to the public at large. They're made of a proprietary polymer material that converts kinetic energy to heat, and their improvements are not subtle, exclaims BJR: tighter, cleaner, deeper, more dynamic bass; more coherent transient attacks; crisper, more extended highs; plus "improvements in the reproduction of subtle gradations of low-level dynamics." Give 'em a whirl—the cost is minimal. (Vol.23 No.2, Vol.26 No.8)

AudioQuest binding-post wrench: $17.95…

Audio Elegance Furniture: $424-$6329
Audio Elegance's "aesthetically simple, sturdy designs" are available in three lines; in the upper two, Dakota and James River, only select hardwoods, softwoods, and multidirectional plywoods are used. Biscuit joinery is featured throughout, and finishes include catalyzed lacquers and hand-rubbed oils. Prices start at $319 for a Frontier Series amp stand and rise to $4759 for a Dakota Collection LP storage unit. Custom items are also available. (Vol.32 No.2 WWW)

Audio Points by Live-Vibe Audio: $129.99–$449…