Jason Victor Serinus

Marten Goes Extreme

In the Marten Audio room—where Marten loudspeakers partnered with Audia Flight electronics and Jorma cabling—the main objects of attention were the striking Marten Coltrane Quintet Extreme loudspeakers. At $415,000/pair (all prices approximate when converted from euros) and with a production limit of just 10 pairs, these speakers are for listeners who don't merely gawk at unobtanium—they bring it home and plug it in.
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Ferrum's Firmware Finesse: An International Ear for Audio

Drawn to the impressive sound and compact design of Ferrum's Polish-made, relatively affordable components, I was eager to visit the brand's booth and learn about the new 2.0.0 firmware update for the $2800 Wandla DAC. The update introduces Ferrum Streaming Control Technology (FSCT), which enables remote control of streamers and displays title and artist information on the DAC's touchscreen.
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Aequo's Ensium Speaker: Three Drivers, Two Halves, One Hell of a Debut

Impressively full-range sound was the hallmark of a fine system dominated by Aequo Audio's new three-driver Ensium speakers with active, room-corrected bass ($44,900/pair, or approx. $40,000/pair in the passive version). Connected by AudioQuest cabling (approx. $100,000), with Aequo's own Ferroguard power cables ($4100) for the woofers, the Dutch company's speakers absolutely sang. As I discovered from playing musical chairs, the sound was at its best in the front row; there, on Yello's "Till Tomorrow," colors were the most saturated and involving.
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Tea, Tubes, and a Touch of Bias: Jadis Plots Its Next Move

What more delightful way to end the third day of High End Munich than having a cup of tea and a short chat with Jean-Christophe Calmettes, owner of Jadis Electronics? He had some interesting news to share about the French company's two forthcoming integrated amplifiers, the Aria class-AB ($5200, all prices approximate when converted from Euros) and the Ode 30W pure class-A (available fourth quarter 2025, price TBD).
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Lenbrook Breathes Life into MQA—and Teases a New Streaming Service

As someone who has repeatedly reaped the sonic benefits of MQA, I found the MQA Labs press release tantalizing. "MQA Labs Debuts FOQUS ADC Design with First Ever Demonstration, Showcases Full Technology Suite," it declared, then continued, "Highlights will include a first listen to audio captured with a FOQUS ADC chip, showcasing the enhanced clarity made possible by a reimagined decimation process." The press release promised further surprises, including "a walk-through of our new and upcoming studio plug-ins, offering creators powerful tools for managing impulse response and noise shaping," and "a showcase of QRONO d2a, our playback solution that delivers unmatched transparency and time performance across all audio formats."
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JMF Audio: The Pursuit of Plush Power

Three years after finalizing the design of their HQS G 7001 monoblocks, brothers Arnaud and Laurent Fusilier of French company JMF Audio completed the design of the JMF Audio HQS G3 9001 amplifiers ($164,000/pair). Alongside other JMF Audio products, the 9001s debuted at the ancillary HiFi Deluxe show in the Munich Marriott, offering a similar sonic signature as their smaller cousins.
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Octave Tunes Up for a Smoother Future

"Our new Octave Jubilee class-A mono amplifier has a slightly different sound than the Jubilee Mono SEs you reviewed three years ago," said Andreas Hofmann. Hoffman is the founder and chief engineer of Germany’s Octave Audio, and he was talking about his forthcoming push-pull monoblock, noting that the amp outputs 160W in class-A lower-power mode and 280W in class-AB high-power mode. The Octave Jubilee’s projected price is $85,000/pair without potential tariff hikes.
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