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HiFiMan Susvara headphones: $6000 ★
The HiFiMan Susvaras are over-the-ear headphones with planar-magnetic drivers, built around gold-coated Nanometer Grade diaphragms—their thinnest ever, the company claims. The drivers also use HiFiMan’s Stealth Magnet grids, the individual magnetic strips of which have rounded edges to reduce interference with sound output. The Susvaras weigh 15.9oz and offer an impedance of 60 ohms and a sensitivity of only 83dB. HR later wrote that he thinks the Susvara is a contender for the world’s best…

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…

DaySequerra FM Reference Signature Modification: $3200 (+ cost of tuner) ★
David Day's Signature Mod effectively addresses this ultimate FM tuner's cathode-ray tube's tendency to burn out. Switching circuitry has been added to allow the CRT to turn off when not needed. The Signature Mod also replaces the tuner's incandescent bulb with longer-lasting LEDs, and uses hand-matched, low–group-delay filters for lower distortion and better channel separation. LG noted punchy, quick bass response, a deeper soundstage, and a more transparent midrange. "The new CRT…

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Dirac Live room correction system full version: $499
Stereo version: $349 ★
Of course, the sound quality is dependent on the hardware in the system, says KR, but the acoustic transformation capabilities of DLRC are well beyond what is built into most processors. (Vol.37 No.5 WWW)

Deletions
MartinLogan Perfect Bass Kit replaced by new version.

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…

Acoustic Geometry Small Curve: $399.99 ★ Medium Curve: $449.99 ★ Deluxe Curve, Walnut Frame: $549.99 ★ Deluxe Curve, Red Oak, Stained Black Frame: $549.99 ★
Acoustic Geometry's Curve System comprises Diffusors, Absorbers, and Corner Traps, each 42" high and available in a number of fabric choices. Each model is built on a wooden frame with a wedge-shaped cleat for hanging the product from a matching piece attached to the wall. Diffusors include a Mass-Loaded-Vinyl (MLV) membrane and are intended to control low- and midbass frequencies; Absorbers are…

Audio Elegance Furniture : $319–$4759 ★
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 Star Sound Technologies…

Channel D Pure Music software: $129 ★
Pure Music (Mac only) can play sampling rates of up to twice the 192kHz limit of Amarra and Decibel. Like those programs, Pure Music (Mac only) offers memory play, automatic sampling-rate changes, and full compatibility with native FLAC files and in its latest version, DSD files. Going from iTunes to Pure Music, the sonic improvement was modest but worthwhile, with cleaner trebles and improved pitch certainty. Compared with the less expensive Decibel, however, Pure Music lacked some openness and clarity, decided AD. Using Pure Music in…

Analysis Plus Apex Silver: $996/1m pair
The Analysis Plus Silver Apex uses as its conductor an oxygen-free copper "stabilizing strand" covered with pure silver, in an arrangement the manufacturer describes, somewhat elliptically (haw) as "a hollow oval cable inside a hollow oval cable inside a hollow oval cable," said to be double shielded and thus quiet. And MF found it to be so: In his words, the Silver Apex is "highly recommended!" (Vol.42 No.5 WWW)

Audio Art Cable IC-3 Classic: $120/1m pair (RCAs), $140/1m pair (XLRs) ★
The IC-3—available with Audio Art…

Audio Art Cable SC-5 Classic: $240/10ft pair (gold spades; add $10/pr for silver spades), $250/10ft pair (gold bananas) ★
The SC-5 has silver-coated OFC conductors (14AWG), a foam polyethylene dielectric, a PVC jacket, and an internal packet of vibration-absorbing fibers. It can be terminated with gold-plated brass banana plugs or, for $10 less, DH Labs' gold-plated copper spade lugs. Compared to AudioQuest's Rocket 33, the SC-5 lacked body, weight, and warmth, but produced a detailed, dramatic overall sound, with clean transients and impressive dynamics, said SM…