Music Fidelity DACs

The MX DAC has inputs for: 2 x coax (up to 24bit 192 kHz PCM), 2 x optical (up to 24bit 192kHz PCM) and asynchronous USB up to 24bit 192 kHz PCM as well as DSD 64 and DSD 128.
Also, all inputs whether from coax, optical or USB, are processed in the DSD domain. This desirable feature gives a warmth and humanity to the sound that simple digital conversion doesn’t achieve.
The MX DAC has both single ended and balanced outputs.
MX-DAC – Specifications
DAC Structure
Sample rate converter: SRC4392 up-sampling data to 192kHz
Digital to Analogue converter: PCM1795 32 bit / 192kHz Multi-bit Sigma-Delta type
Output Voltage: 2 Volts RMS single-ended (RCA)
Output Voltage: 4 Volts RMS balanced (XLR)
PCM THD: <0.002%
PCM THD (+ noise): <0.003%
DSD THD: <0.003%
DSD THD (+ noise): <0.006%
PCM Frequency Response: –3dB, 2Hz to 90kHz
PCM Frequency Response: –3dB, 2Hz to 40kHz
Channel Separation: -110dB
Coaxial Inputs: S/PDIF up to 24 bit / 192kHz
Optical Inputs: S/PDIF up to 24 bit / 192kHz
2x RCA coaxial connector SPDIF 32-192 kbps
(16-24 bit stereo PCM)
2x TOSLINK optical connector 32-192 kbps
(16-24 bit stereo PCM)
1x USB type ‘B’ connector
Asynchronous data stream at up to 24-bit/192kHz PCM as well as DSD64 and DSD128
(Determined by source file/computer settings)
1x line level RCA (single-ended)
1x XLR Male sockets (balanced) to EIA RS-297-A
Dimensions – WxHxD (mm): 220 x 53 x 215
Weight (unpacked / packed): 1.9Kg / 2.4Kg
Power Consumption: <0.25 Watts standby, <1 Watt max.
Supplied Accessories
1x 5v / 2A DC power supply (90-250VAC universal worldwide supply)
Windows driver CD
User manual

V90-DAC – Specifications
Jitter: <12 picoseconds peak to peak
THD(+ noise): <0.004% 20Hz to 20 kHz
Frequency Response: +0, –0.1dB, 20Hz to 20 kHz
Crosstalk: -104dB, 20Hz to 20 kHz
Signal / Noise ratio: -117dB, 20Hz to 20 kHz
1x RCA coaxial connector SPDIF 32-192 kbps (16-24 bit stereo PCM)
2x TOSLINK optical connector 32-96 kbps (16-24 bit stereo PCM)
1x USB type ‘B’ connector – Asynchronous data stream at up to 24-bit/96kHz (Determined by source file/computer settings)
1x line level RCA (phono)
Dimensions – WxHxD (mm): 170 x 47 x 102
Weight (unpacked / packed): 600g / 1.1 kg
Supplied Accessories
1x 12v 500mA DC power supply

Emotiva CD players

Complete disc solution: plays all Red Book stereo audio CDs, HDCDs, MP3 CDs, and the Red Book layer of hybrid SACDs.
Audiophile sound quality through superior design: Analog Devices AD1955 high-performance DAC with multiple isolated and well-filtered linear power supplies for analog and digital circuitry.
Versatile analog connectivity: both balanced and unbalanced analog outputs are provided.
Works great as a transport, too; Toslink optical, coax, and AES/EBU outputs provided.
High-quality construction throughout: reinforced steel chassis with additional mass loading to minimize interference and vibration, machined solid aluminum faceplate, a high-reliability tray loading mechanism, and machined gold-plated output connections.
Full front panel controls with blue halo illumination, high visibility alphanumeric status display, and solid machined aluminum remote control.
User selectable universal line voltage operation for 110-120V or 220-240V AC.
Standard trigger input and output.
Connectivity:Stereo XLR balanced analog audio outputs:
1 set Stereo unbalanced analog audio outputs: 1 set Digital audio outputs: 1 Coax S/PDIF; 1 Toslink optical S/PDIF; 1 AES/EBU
Formats Supported:Stereo audio CDs, (Red Book standard), prerecorded or computer recorded MP3 audio CDs, prerecorded or computer recorded with stereo audio files Hybrid SACDs with stereo audio CD layer (Red Book standard)
Output Level:
Balanced outputs: +12 dBV (4 V RMS; 11 V P-P)
Unbalanced outputs: +6 dBV (2 V RMS; 5.5 V P-P)
Frequency Response:10 Hz – 20 kHz +/- 0.04 dB
S/N Ratio: 104db unbalanced, 110db balanced
THD:< 0.002% @ 1 kHz
< 0.015% (20 Hz – 20 kHz)
Power Requirements:115/230 VAC +/- 15%
Weight:21 pounds (unboxed)
Dimensions:17 “W x 14”D x 4” H (unboxed)


Venus Hum – Hummingbirds

Artist: Venus Hum
Genre: Electronica
Title: Hummingbirds
Released: 2002
Label: Mono Fi
Format: CD
Musicians: Kip Kubin – Computers & Electronics, Tony Miracle – Computers & Electronics, Annette Strean – Vocals

Venus Hum is an electronic pop music group from Nashville, Tennessee, consisting of vocalist Annette Strean and multi-instrumentalists Kip Kubin and Tony Miracle. Miracle has a rare heart condition which results in perpetually hearing his own heartbeat in his ears. This condition is known as “venous hum”, from which the group’s name is derived.
Their first full-length album, titled Venus Hum, was released in 2001. Big Beautiful Sky was released two years later. Also in 2003, Venus Hum toured with and opened for Blue Man Group, with Annette providing vocals on “I Feel Love”. (Editor’s note = This is a must see).
After their collaboration with J.J. Abrams (Alias, Lost, Mission: Impossible III), and their subsequent creation of the EP Songs for Superheroes, it was uncertain whether Venus Hum would release any new material. Annette had developed painful vocal fold nodules and needed a speech pathologist to relearn her singing ability. Kip diversified, furthering his interest in filmmaking, becoming a director of music videos, electronic press kits and special features. Tony traveled, living in Los Angeles and Cincinnati and releasing an experimental solo album under the moniker “Satellite City”.
After a two-year hiatus, the group reorganized and released a new album, The Colors In The Wheel on July 25, 2006 under the Mono-Fi Records label, which they described as “unconventional, three-dimensional and completely five-sensual” featuring an edgier sound than their previous work.
In the second half of 2008, the band returned to the studio to work on material for a new album, culminating in the October 6th, 2009 release of Mechanics & Mathematics.

Hummingbirds is an EP they released in 2002

  1. “Hummingbirds” – Obviously the title track. I like the general feel of this track, but there seem to be some sound issues such as clipping distortion
  2. Alice – There is a bit less going on here, but the vocals are more showcased.
  3. “Run Annie Run” – This track is more dance sounding, but not real dynamic and not the best use of Annette’s voice.
  4. “Illumine” – In this track electronics meets a bit of new age.


Here’s a video of I Feel Love: (I know it is not on this album, but….