FEATURES
• Twin Wolfson 8740 24-bit digital-to-analog converters in dual differential mode for precise
stereo imaging.
• Asynchronous USB technology for reduced timing jitter and better sound on USB input.
• Anagram Technologies Adapted Time Filtering 2 (ATF2) 24-bit/384kHz audio upsampling
with jitter reduction for better sound with compressed audio sources.
• Incoming sampling rate indicator 44.1/48/88.2/96/192kHz helps verify source quality.
• Choice of three filter settings for fine-tuning sound to suit your listening preferences.
• Phase-inversion switch to compensate for out-of-phase recordings or phase-inverting
amplifiers.
• Built-in headphone amplifier and full-size (1/4") front-panel headphone jack.
• Bluetooth ready for wireless playback from any compatible Bluetooth device (via an optional
Cambridge Audio adapter).
• Supports the high-quality Bluetooth AptX CODEC for streaming audiophile quality music
from a compatible Bluetooth device.
• Two digital inputs, each with both optical (Toslink) and RCA coaxial (S/PDIF) jacks.
• One USB (Type B) input for connection to a computer.
• Optical and coaxial digital outputs (pass-through).
• RCA and balanced XLR audio outputs (both active simultaneously).
• External power supply included.
• Non-slip silicone stand and 4 self-adhesive rubber feet included.
Set-Up & Ergonomics
After several weeks of playing streaming radio from a Logitech Squeezebox Touch for break-in,
I connected the DacMagic Plus to my main desktop system. Input sources included a direct
Toslink feed from my MacPro desktop computer, direct USB from the MacPro, Coaxial S/PDIF
from an Empirical Audio Off-Ramp 4, S/PDIF from a King Rex UD-384/32, and S/PDIF from a
Matrix 96/24 USB converter. Output devices included AudioEngine 5+ powered speakers,
ADAM Artist A5 powered speakers, and Focal XS Book powered speakers, plus the new April
Music Eximus SI monoblock power amplifiers driving ATC SCM-7 speakers, Aerial Acoustics
5B speakers, Role Audio Canoe speakers, and a Velodyne DD 10+ subwoofer. The right and left
speakers got their signals from the balanced outputs while the subwoofer received its signal from
the unbalanced outputs. For the headphone output testing I used AKG K701, HiFiMan HE-300,
and Grado RS-1 headphones.
During set-up the DacMagic Plus had no significant issues. Straight out of the box the DacMagic
Plus is configured to support up to 96/24 via USB 1.1. But for 192/24 capabilities you must
change to USB 2.0 via a special combination of button pushes. The methodology for this
conversion is buried on page 22 of the PDF version of the user’s guide, though in my view this
information really needs to be on a separate “read me first” page. I suspect that Cambridge
Audio customer support is going to spend quite a bit of time explaining to new owners why their
DacMagic Plus isn’t supporting 192/24 straight out of the box.
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