JL Audio Subwoofer Demo and Deep Dive at Audio Advice Live 2025

Where Measurements and Performance Meet featuring Andrew Jones

LATEST ADDITIONS

Treehaus Audiolab The Preamplifier

Ken Micallef Aug 08, 2025

Imagine navigating the hectic rooms of an audio show at which a sea of similar-looking, similar-sounding gear blends into a predictable thrum, drawing a chorus of familiar nods. Then you stumble into the room occupied by Rich Pinto and his Treehaus Audiolab components. Here, the expected evaporates, replaced by designs that offer something different, both inside and out, sparking curiosity among jaded journalists and seasoned listeners.

Interviews

The Grimm Truth: Eelco Grimm of Grimm Audio

Rogier van Bakel Aug 07, 2025

Most audio engineers split hairs. Eelco Grimm splits microseconds. His expertise in high-precision audio laid the groundwork for Grimm Audio, the Dutch venture he cofounded in 2004 with fellow electrical engineer Guido Tent. The company's master clocks and DACs, developed for both the pro audio and home hi-fi markets, combat tiny timing errors and jitter that can blight digital audio.

Gramophone Dreams Phono Preamp Reviews

Gramophone Dreams #99: Schiit Audio Stjarna phono preamplifier

Herb Reichert Aug 06, 2025

I'd been building and repairing tube amplifiers for a few years when my first Altec A5 Voice of the Theater speakers arrived. I bought them to help me evaluate the sound of low-powered triode amps—but whoa! The moment I turned that VOT system on, I heard from 30' away the sound of either a waterfall or a large AM radio tuned between stations . . . What's the best tube tester? A 107dB/watt speaker!

Revinylization

Revinylization #67: Rollin' with Leo Parker, a New Tone Poet Reissue

Robert Baird Aug 05, 2025

Rollin' With Leo is a treasure from bebop's past that's been reissued several times on CD and LP since 1980. This new version, with its freshened sound, proves again that Dexter Gordon's concise appraisal of Leo Parker was on the mark: "The Kid could play. Lots of bottoms."

Munich 2025

Pro-Ject Audio Systems

Ken Micallef Aug 04, 2025

Pro-Ject, the renowned Austrian audio manufacturer, made a striking impact with its static display at High End Munich 2025. Its new products, though silently presented, conveyed a powerful message. Jakob Dirnberger, representing Pro-Ject, showcased a vast array of turntables, a compact portable system, a record flattener, and legacy products—creating a compelling and sometimes humorous presentation.

News

Joy and Resistance in Manhattan

Ken Micallef Aug 03, 2025

This past Monday, July 21, drummer/composer Terri Lyne Carrington and harpist/composer Brandee Younger discussed their recently released albums, respectively We Insist 2025! (Candid) and Gadabout Season (Verve) at an event billed as Joy and Resistance, moderated by Dr. Guthrie Ramsey. The Doris Duke Center in New York City hosted the event, with a streaming audio system featuring Treble Clef Audio's TCA-M active floorstanding loudspeakers.

Budget Component Reviews Solid State Power Amp Reviews

Eversolo AMP-F10 power amplifier

Tom Fine Aug 01, 2025

A century ago, pioneering psychiatrist Carl Jung had a wild encounter with the power of sound. "In a village on the way from Lake Albert to Rejaf in the Sudan we had a very exciting experience," Jung wrote in his book Memories, Dreams, Reflections. He goes on to describe his participation in a tribal drum and dance ritual. "Night had fallen ... when we heard drums and horn blasts. Soon some sixty men appeared, martially equipped with flashing lances, clubs, and swords."

Digital Processor Reviews

Weiss DAC204 D/A processor

Robert Schryer Jul 31, 2025

Weiss Engineering D/A processors are widely known for their high quality, in both home-audio and pro-audio circles. Over several Stereophile reviews, they have always measured well. Oh, and did you know they'd won a Grammy Award? Weiss Engineering founder and chief designer Daniel Weiss won the 2021 Grammy Award for Technical Merit for his pioneering work during the '80s and '90s designing digital equipment for mastering studios.

New Products News

Onkyo Adds C-30 CD Player to Icon Series

Mark Henninger Jul 31, 2025

Onkyo has introduced the C-30 CD player, the latest addition to its Icon Series of hi-fi components. The player features Onkyo’s proprietary Vector Linear Shaping Circuit (VLSC), designed to remove pulse noise from the signal path.

Room Treatment Reviews

PSI Audio AVAA C214 active bass trap

Kalman Rubinson Jul 30, 2025

Ever since I became interested in—nay, obsessed with—high-quality music reproduction, my goal has been to attain the experience of being at a performance. Some audiophiles target the recreation of the event in their room—a "they are here" experience.