Moonriver Audio 404


Moonriver 404 Ref Options: No Phono Stage
Price:
$4,995

Description

  • Inputs: 5 (line 1 and 4 optionally occupied by phono stage and USB DAC respectively, 1 x tape loop)
  • Outputs: 2 x preamp out, 1 x rec out
  • Max output power: 50 W per channel into 8 Ω
  • Frequency response: 10 Hz to 50 kHz
  • Total harmonic distortion: 0.05>#/li###
  • Signal to noise ratio: 85 dB (line)
  • Idle Consumption: 22 Watts
  • Dimensions (mm): 430 (W) x 390 (D) x 135 (H)
  • Weight: 12 kg

Inspired by the famous song, Moonriver Audio is a combination of the vintage and the contemporary in audio reproduction.

Classic, timeless, user oriented design. Organic texture acquired within an open space, dynamic behavior unrestrained while preserving natural color, provisions made for modular upgrades and direct access to all functions.

Moonriver loves vinyl records, analog tapes, compact discs and digital streams and features upgradable modules for all those formats. We employ every technology available today, without staying dogmatically exclusive to one design principle versus another, be it solid state, integrated circuit or vacuum tube.
We are fond of hybrid designs that fuse well known and fresh tech elements, but, most of all, that fit the application.

Made in Sweden

Our products are designed and made in Sweden. We hand-assemble each unit, a painstaking but precise procedure.  Through a global inventory that is constantly updated, it is our sophisticated research, efficient development and extensive listening tests -the fun part- that lead us to select the right component for a no-compromise audiophile sound.

We also care for sustainability as well as for reliability. Moonriver products are covered by a 3-year warranty and are designed to last for decades without any need of maintenance.

Recommended Components 2021 Edition Integrated Amplifiers & Receivers


As supplied for review, this Swedish amplifier included optional digital and MM/MC phono analog inputs. The digital module, though, was based on an AKM DAC chip that is no longer available following the disastrous fire at the Japanese manufacturer's factory, so the review didn't discuss the digital input. But with the single-ended line inputs, JVS wrote that while the sense of air wasn't as breathtaking as through his expensive reference amplifier, "the music sounded airier and more colorful and seemed to emerge from a quieter background" than what he'd recently heard through the two more expensive integrateds. "Plenty of bass showed that the low-powered Moonriver 404 Reference has what it takes to drive the challenging Wilson Alexia 2's," he added. Summing up, JVS wrote that the Moonriver 404 Reference "does justice to complex and demanding recordings. It sounds tonally spot on, well balanced, clear, and musical." Although the 404 Reference uses an output stage based on Texas Instruments' LM3886 chip, which is specified as being able to deliver 50W into 8 ohms and 70W into 4 ohms, JA found that the Moonriver clipped at 39.5Wpc into 8 ohms and 60W into 4 ohms. Although the Moonriver has single-ended preamplifier outputs, JVS found that these "buzzed" with his reference monoblocks and JA found that there was a high level of ultrasonic noise on the preamplifier outputs. (This may have been a sample fault.) In his measurements, JA also noted low-level power-supply spuriae and that the distortion signature was primarily the subjectively benign second harmonic. Intermodulation distortion was not excessive. (Vol.44 No.2 WWW)

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