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Acoustic Revive RR-888 Ultra Low Frequency Pulse Generator: $695
This small plastic box with a wall wart power supply is said to artificially generate the electromagnetic 7.83Hz Schumann resonance and alter the sound in your listening room. “Which it most certainly does—alter the sound, that is,” wrote AH. Listening to “Madness” from Miles Davis’s Nefertiti LP, he realized that the band’s tart, angular sound had become sweeter: “It was as though the dissonant and otherwise disagreeable sounds on the recording were somehow pushed down below the threshold of…

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Dynaudio Focus 10: $5500/pair (stands necessary)
Class A rating is as a Complete Audio System; class B (Restricted LF) as a regular loudspeaker. See Loudspeaker Systems. (Vol.46 Nos.2 & 11 WWW)

Focal Diva Utopia: $39,999/pair
(Vol.48 No.3 WWW)

Grimm Audio LS-1c: $30,450/pair plus SB1 Subwoofers $14,650/pair $$$
(Vol.48 No.4 WWW)

JBL 4329P: $4949/pair (stands necessary)
Class A rating is as a Complete Audio System; class B (Restricted LF) as a regular loudspeaker. See Loudspeaker Systems. (Vol.46 No.10 WWW)…

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Bel Canto E1X-DAC: $6800
The Roon Ready e1X DAC/Control Preamplifier offers AES3, coaxial and optical S/PDIF, digital inputs, and USB and UPnP/DLNA-compatible Ethernet ports. (The USB and Ethernet ports support MQA-encoded data and DSD data in the DoP format.) There are also line-level and MC/MM phono analog inputs, these converted to digital so that they can be adjusted with the DSP-domain Tilt, Bass EQ, and volume controls. The e1X features line outputs, a headphone output—the Tilt and BassEQ controls are not operative with this output—and a subwoofer…

If It's Friday, It Must Be Constellation Time
When I'd planned Peter Madnick's visit, I'd thought I'd be flying home from Munich the previous Sunday. My listening room was still the previous month's deadline-inspired mess, and after more than a week on the road I was beat, but after arriving home late Thursday afternoon I stayed up after dinner, got to bed late, and awoke early Friday morning to go to my…

Here's the first analog thing: After owning a McIntosh MR78 tuner for many years—I bought it on eBay sometime early in this millennium; it was fully functional and in superficially excellent condition—I finally did what I'd long intended to do: I sent it in to Audio Classics for inspection, refurbishment, and the famed Modafferi mod.

At the time of its…

Often nakedly personal and direct in their responses to life events, Shostakovich's 15 String Quartets can overwhelm with the enigmatic elements that make his music so compelling and unique. Shaped as much by intimate relationships as the repressive political realities that wore him down, they stand as one of the later 20th century's major musical achievements…

I attended T.H.E. Show because my wife asked me to get out of the house for three days. It's not what it sounds like. Her sister wanted to stay at our place so that she—the…

“We are reaffirming our status as a luxury pioneer in audio with this new launch. We invite listeners to experience sound with…

At the core is TEAC’s CD-5020A transport, long used in broadcast applications, combined with a semi-floating mounting structure and a dedicated drive circuit. TEAC states that this pairing yields…

The initial rollout includes Australia, Austria, Czechia, Denmark, Germany, Japan, New Zealand, the Netherlands, Portugal, Sweden, the United States, and the United Kingdom, with expansion to more than 50 markets planned.

"We've taken time to build this…