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Aidas AG-CU series Malachite Silver: $5995
Aidas CU-series Durawood: $4975

These hand-built, low-output moving coil cartridges from Lithuania use the same basic generator, boron cantilever, AlNiCo5 magnet, and nude MicroLine stylus, but differ in the wire used to wind the coils and the material used for the cartridge body. The Durawood uses copper wire and a body made from multilayered wood; the Malachite uses silver-plated copper wire and a heavier, green, Tru-Stone body. The first thing that struck MT about the Durawood was how quietly this…

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CH Precision P1 Phono Stage: from $31,000. As reviewed, $48,500 ★

Built with a sleek aluminum-alloy case with no screws visible on any of its surfaces, the Swiss-made CH Precision P1 is no less sophisticated inside. This solid state phono preamplifier offers multiple inputs, two of which address current-amplification circuits—an approach that, according to MF, produces “the best signal/noise ratios” and does not require cartridge loading to achieve flat response. For use with its voltage-amplification inputs, the P1 offers…

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Antipodes K50: $19,000

The made-in-New Zealand K50 works with Roon as both server and player, Roon as a server with Squeezelite or HQ Player as the player, or Squeeze as a server and Squeezelite as the player. It offers Ethernet, USB, I2S, AES3, and S/PDIF outputs, though the manufacturer doesn’t recommend using USB. JVS found that the Squeeze server and Squeezelite apps were not as user-friendly as Roon, but using them to transmit the audio data via single AES3 to the dCS Rossini DAC “delivered the most transparent, detailed, color-…

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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…

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Audio Research Reference 6SE: $22,500

An updated version of the discontinued Ref 6, with changes in capacitors and wiring, the fully balanced, tubed ‘6SE impressed JVS, who noted that when he installed the Ref 6SE in his system, his speakers “poured forth some of the most polished, transparent, and arresting sound” he’d heard from his system. Longer-term listening, however, indicated that the Audio Research preamplifier was sensitive to setup issues. Once he had optimized everything else in his system—cables, footers, stands, AC supply—JVS could…

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Accuphase A-300 monoblock: $49,950/pair

“The more I listened to the A-300 monoblocks, the more I wanted to listen,” wrote JVS about his time with a pair of these powerful amplifiers. (It is specified as delivering 125W into 8 ohms, 250W into 4 ohms, 500W into 2 ohms, and 1000W into 1 ohm.) The MOSFET output operates in class-A up to 125W into 8 ohms, 62.5W into 4 ohms, and 31.25W into 2 ohms. The A-300 has both balanced and unbalanced inputs; the gain and XLR polarity can be adjusted; and an operation-mode switch facilitates bridging…

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ampsandsound Bigger Ben: $5600

This single-input, single-ended, triode-wired, no-negative-feedback tube amplifier drives both loudspeakers and headphones. It offers approximately 8Wpc into 8 ohms and 5Wpc into 32 ohms (when equipped with a solid state rectifier and KT88 output tubes). With 6L6GC output tubes, when it maxes out at 3Wpc, the Bigger Ben powered Zu Soul Supreme speakers “to greater levels of transient and timbral exactitude … than most any other amp I’ve tried,” wrote HR. With DeVore Orangutan O/93s, HR found the…

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Audiovector R8 Arreté: $76,500/pair

Optional grounding cable adds $3850. (Vol.44 No.9 WWW)

Bang & Olufsen Beolab 90: $150,000/pair ★

(Vol.40 No.1 WWW)

Bowers & Wilkins 801 D4 Signature: $55,000/pair

(Vol.47 No.3 WWW)

Dutch & Dutch 8c: $14,950/pair (stands necessary) ★

(Vol.42 No.8, Vol.43 No.4 WWW)

Dynaudio Confidence 30: $24,000/pair

(Vol.44 No.8 WWW)

EgglestonWorks Viginti: $46,998/pair ★

(Vol.41 No.6 WWW)

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JL Audio CR-1: $3500

The CR-1 crossover has continuously variable high- and low-pass filters built around two banks of precision Linkwitz-Riley filters that can be set for 12 or 24dB/octave via. Front panel switch. Upon encountering the CR-1, LG "wondered where it had been all [his] life;" he's been using it ever since. "It's beautifully made, sonically transparent, performs a critical role in the optimal setup of subwoofrs, and has ergonomic bypass and mute functions that let you immediately hear the sonic iprovements of good bass…

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ampsandsound Bigger Ben: $5600

See “Integrated Amplifiers.”

Audeze LCD-5: $4500 ($22,950 with headphone amplifier)

The open-back LCD-5 is the successor to Audeze’s well-regarded LCD-4 and, like its predecessor, uses planar-magnetic drive units, which feature proprietary, single-sided Fluxor neodymium N50 magnet arrays and a voice-coil concept called Parallel Uniforce. The idea is to vary the width of the conductor to match, or counter, variations in the magnetic flux to achieve uniform force across the…