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USB DACs Super Test: PC + DAC = HI-FI (Part 5)

7/8/2013 9:22:27 AM

Micromega MyDAC: $559

The penultimate DAC on our Super test list comes from French manufacturer Micromega. The Micromega MyDAC is part of the company’s new ‘My’ range of compact and affordable audio components – a line-up which will also include an MM/MC phonon amplifier, a headphone amplifier and a wireless streamer, among others.

But first, the MyDAC – unleashed at the 2012 High End Show in Munich, the device is designed and built in France. The compact box comes in a matt-black (as in our review sample) or a glossy white finish. It’s a surprisingly light box, weighing just 300g. That’s the same as the smaller Arcam rPAC, but the Micromega MyDAC doesn’t quite have the same premium, weighty quality of build and finish as rivals like the Arcam.

Great for that punchy beat-based album; not so hot for your gentle chill-out collection

Great for that punchy beat-based album; not so hot for your gentle chill-out collection

We’d also be careful when connecting up the MyDAC with the rest of your system, as we found that heavy cables can drag on the light box and move it out of position. The rear panel houses all the connections, which include the mains power, a pair of line-level RCA outputs, digital optical, coaxial and type B USB inputs. On the front, there’s an anodized aluminum rotary wheel: turn it to switch between standby mode, and the USB, coaxial or optical inputs.

The asynchronous USB design ensures low jitter levels and allows playback of 24 bit/192kHz files, while a switch at the rear panel gives you a choice of USB 1.0 or 2.0 operations. This is a nice touch from Micromega, as not all computer drivers are compatible with the class 2.0 option (which allows for high-resolution 24-bit/192kHz files), and the class 1.0 option (up to 96 kHz) ensures better compatibility. Two USB master clocks inside are aimed at reducing jitter levels.

The asynchronous USB design ensures low jitter levels and allows playback of 24 bit/192kHz files, while a switch at the rear panel gives you a choice of USB 1.0 or 2.0 operations

The asynchronous USB design ensures low jitter levels and allows playback of 24 bit/192kHz files, while a switch at the rear panel gives you a choice of USB 1.0 or 2.0 operations

Pace and punch aplenty

Start playing some tracks from a laptop and the Micromega delivers clear and punchy notes. Select Elephants by Them Crooked Vultures and the MyDAC drives the tune along with plenty of energy, fully conveying the grungy, attacking sound. There’s solid weight to all the instruments, while decent dynamics and timing work effectively together to produce a fast-paced and exciting performance – just what the track needs.

There is a slight hardness and brightness to the edge of notes, however – rather like the Audio quest DragonFly – which means tracks that thrive on excitement and attack pair up well with the MyDAC, whereas gentler pieces of music have an unnaturally hard edge to them (as witnessed on a WAV recording of Amanda Palmer’s The Bed Song).

There’s solid weight to instruments, while decent dynamics and timing work together to produce a fast paced and exciting performance

Start playing some tracks from a laptop and the Micromega delivers clear and punchy note

Start playing some tracks from a laptop and the Micromega delivers clear and punchy note

It’s an approach that the MyDAC lends to all types of music, and it’s hard to ignore. From streaming to the high resolution 24-bit/192kHz files, there’s an obvious jump in quality, but the Micromega’s tonal character lingers. Beethoven’s Piano Concerto No 3 (in 24-bit/192kHz) could do with more layers of detail and melody wrapped around it for a more involving listen.

The Micromega MyDAC falls just short of being an all-round wonder, then. But don’t let that deter you: this DAC has heaps of energy and attack.

Rating: 4/5

For: Attacking sound; good timing; exciting performance; USB playback of 192 kHz files

Against: Not the most subtle of performers; can sound a bit too hard and bright

Verdict: If you like your music to have an attacking edge, then this DAC’s for you

Micromega MyDAC specs

·         USB in: 1

·         Coaxial digital in: 1

·         Optical digital in: 1

·         RCA in: 0

·         RCA out: 1

·         XLR out: 0

·         Optical digital out: 0

·         Coaxial digital out: 0

·         Headphone: 0

·         Wireless: No

·         Finishes: 2

·         Dimensions (H x W x D): 3 x 14 x 14cm

·         Performance: 4

·         Feature: 4

·         Build: 3

Musical Fidelity V-DAC II: $451

The dust had barely settled on the V-DAC II from its first test when the unit was back out to do battle with its peers as part of this Super test.

The Mk II version of Musical Fidelity’s V-DAC made a favorable impression when we first listened to it. That’s because it shines with a clean and clear sound, and offers a good helping of detail mixed in with some fluid and smooth dynamics that keeps you engaged with the music.

Clarity gets the nod over weight – both musical and physical – on the V-DAC II

Clarity gets the nod over weight – both musical and physical – on the V-DAC II

Like the Arcam rDAC, this USB device has a sweet, melodic touch across the frequencies, with the mid and top ranges getting particular attention. Whether you’re listening to Norah Jones, Nelly Furtado or Josh Homme, their voices sound natural and sparklingly clear. There’s plenty of space for high notes to thrill on an open soundstage, but they never sound thin or harsh.

In terms of outright attack and aggression, the V-DAC II has a more polite and refined presentation. In comparison, the Micromega and rDAC have much more weight and solidity to anchor the music down, and lend it a stronger and punchier performance. As it stands, the V-DAC II’s smooth and sweet sound can come across as slightly insubstantial. There’s no bright or brittle treble to be found, but more muscular and deeper lower frequencies would’ve given the V-DAC II a fuller and richer sound. Take Beethoven’s Moonlight Sonata in 16-bit/44.1kHz – the music ebbs and flows with ease, but we’d love to hear a touch more precision and robustness to the piano notes.

Compact dimensions

Cosmetically, the V-DAC follows in the footsteps of the rest of the products in the company’s V-Series: the DAC is a half-width design in a solid casing that’s finished in brushed silver. It’s compact enough not to disrupt the neatness of any desk, and surprisingly light in weight given its appearance of quality.

On the inside, there’s a Burr Brown DSD 1796 DAC chip, and the asynchronous USB design of the V-DAC II aims to reduce any timing errors that hampers music played from a computer, and allows for playback of high-resolution files up to 24 bit/192kHz.

On the inside, there’s a Burr Brown DSD 1796 DAC chip, and the asynchronous USB design of the V-DAC II aims to reduce any timing errors that hampers music played from a computer

On the inside, there’s a Burr Brown DSD 1796 DAC chip, and the asynchronous USB design of the V-DAC II aims to reduce any timing errors that hampers music played from a computer

Unlike most conventional designs where the connections are all hidden away on the rear panel, the inputs and outputs are situated on the right and left sides of the V-DAC respectively. RCA outputs to connect the DAC to your stereo amplifier feature on one side, while the mains power connection and coaxial, optical and type B USB inputs are neatly spaced out on the other. The coaxial input can handle files up to 24-bit/192kHz, while the optical and USB inputs go up to 24-bit/96kHz.

Smooth and engaging

While the V-DAC II’s smooth aural presentation may not be for those who favor a more attacking and punchy style (they should, perhaps, look to the Micromega MyDAC), its wonderfully clear and musical approach, together with its engaging dynamics, will win over many other listeners.

Take Beethoven’s Moonlight Sonata in 16-bit/44.1kHz, and the music ebbs and flows with ease, but we’d love to hear a touch more precision

Rating: 4/5

For: Fluid dynamics; smooth and refined detail; very clear sound; compact build

Against: Could do with more weight and precision; no headphone output

Verdict: We love the way the V-DAC II delivers its clear and dynamic performance

Musical Fidelity V-DAC II specs

·         USB in: 1

·         Coaxial digital in: 1

·         Optical digital in: 1

·         RCA in: 0

·         RCA out: 1

·         XLR out: 0

·         Optical digital out: 0

·         Coaxial digital out: 0

·         Headphone: 0

·         Wireless: No

·         Finishes: 1

·         Dimensions (H x W x D): 10 x 17 x 4cm

·         Performance: 4

·         Feature: 4

·         Build: 4

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