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DEQX PreMate D/A preamplifier/equalizer: $3995 ★
In a field where, as KR puts it, "all automatic EQ systems conflate speaker correction with room correction," the DEQX PreMate stands out: In use, this DSP engine begins by measuring and analyzing the speakers—in exclusion of the listening room, to the greatest extent possible—then generates filters to correct frequency response, optimize time alignment, and, if desired, create a customized active crossover for that speaker. After that, the user can, if he or she wishes, completely discard the speakers…

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AI Technology ELGR-8501: $160.75/1 oz
AI Technology's ELG-8501 is thermal grease made of more than 80% silver. JM uses a light smear on the mating surfaces of wall-wiring connections to prevent oxidation. He warns: "Never use any kind of silver paste on audio connections such as RCA plugs or amplifier speaker terminals." (Vol.36 No.10 WWW)

Audio Research Tube Damping Rings: $4 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,…

AcroLink 7N-DA2090 Speciale: $2375/1.5m pair
The less-than-snappily named 7N-DA2090 Speciale is technically laudable; commendably, AcroLink publishes the specs for this product's resistance (18milliohm/meter) and electrostatic capacitance (56pF/meter). It's made of 99.99999% pure multistrand copper, arranged in what AcroLink calls a "balanced twin core structure." According to MF, substituting the AcroLink interconnect for his TARA Zero Evolution "produced sharper but not unnaturally defined transients, shorter sustain and decay, and an overall well-detailed and more…

Walking around the golf course, I stumbled on a pair of KEF Blade Two speakers in the middle of a field of rare Porsche 911s, from the earliest 1965 model 356 to the latest 2018 GT-3RS. Anthony Hrehowsik, KEF USA's Operations Manager, explained that the company partnered with Porsche to offer both the Blade ($32,999/pair) and the Blade Two ($24,999/pair)…

Wonderful Town, whose music Bernstein composed to lyrics by Betty Comden and Adolph Green, grabbed five Tony Awards when it opened on Broadway in 1953 with Rosalind Russell as Ruth Sherwood. Whether the reason that none of its songs has…

It's the vocabulary. In these reviews I often see words that I rarely see used elsewhere: scintillating, irresistible, delightful. One venerable reviewer for Gramophone magazine has used the word "beguiling" 100 times in some 900 reviews. When I read such words, I envision the poor music critic writhing in his (occasionally her) listening chair,…

I'm here to tell you that there's nothing I love more than having the sensation of an…

Each Aida II has three pairs of binding posts and is thus tri-ampable, but I used the included jumpers and single pairs of TARA Labs Omega Evolution SP speaker cables.

There's more to this complex design, and especially to the design and construction of the drivers, but that's enough for the purposes of this review, other than Sonus…

Description: "Three-and-two-thirds-way" reflex-loaded, floorstanding loudspeaker. Drive-units: 1.1" (28mm) damped-apex silk-dome tweeter, 7.1" (180mm) natural fiber, viscous-damped midrange driver, two 8.7" (220mm) sandwich-cone woofers, 12.6" (320mm) Nano Carbon Fiber/foam core Infra (sub)woofer; rear-firing Sound Field Shaper comprises 1.1" (29mm) damped-apex silk-dome tweeter and two 3.15" (80mm) midrange drivers. Crossover frequencies: 55, 150, 200, 3000Hz. Frequency range: 18Hz–35kHz. Sensitivity: 92dB/2.83V/m. Nominal impedance: 4 ohms. Recommended…