Monday, January 28, 2013

Bifrost Digital Analog Convertor

Bifrost Digital Analog Convertor

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Bifrost Digital Analog Convertor On Sale

Price: $349.00    Updated Price for Bifrost Digital Analog Convertor now
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Product Feature

  • Fully Upgradable DAC
  • AKM4399 D/A Converter and Discrete Analog Section
  • Advanced 24/192 Bitperfect Clock Management

Product Description

Bifrost is the world's most affordable fully upgradable DAC, featuring 32-bit D/A conversion, a fully discrete analog section, and a sophisticated bit-perfect clock management system, together with one of the most advanced asynchronous USB 2.0 inputs available (optional), as well as SPDIF coaxial and optical inputs, all with 24/192 capability. Fully Upgradable: The Future-Proof DAC� Worried about rapidly-changing USB input technology? Concerned about future advances in D/A conversion? Bifrost's modular design uses separate, USB Input and DAC/Analog cards. The result? A virtually future-proof DAC that won't end up in the dumpster. AKM4399 D/A Converter and Discrete Analog Section � Even without considering upgradability, Bifrost offers incredible value. Consider its AKM4399 32 bit D/A converter, one of the highest performance DACs in the world. Also consider that Bifrost uses a fully discrete, low noise JFET analog section-just like multi-thousand-dollar DACs. Advanced Bitperfect Clock Management �� Most DACs in this price range is sacrifice every single one of your original music samples to get their 192kHz spec. Every input is routed through a sample rate converter and upsampled to 24/192. Bifrost dispenses with the sample rate converter and uses a sophisticated master clock management system to deliver bit-perfect data to the DAC, preserving all the original samples--whether it's 16/44.1 or 24/192. Specifications* Inputs: Coaxial SPDIF, Optical SPDIF, USB (optional) � Input Capability: up to 24/192 for all inputs
Input Receiver, SPDIF: Crystal Semiconductor CS8416� Input Receiver, USB: C-Media CM6631A D/A Conversion IC: AKM4399 � Analog Summing, Filtering: Fully Discrete, JFET differential topology Output: RCA (single-ended) ��Output Impedance: 75 ohms

Bifrost Digital Analog Convertor Review

I recently upgraded my tube system with the Bifrost DAC. There was a distinct improvement in sound quality and overall resolution. My source is a Sonos ZP90 playing FLAC files that I personally ripped from my CD collection to guarantee the highest quality source. I then feed that through the Bifrost and then on through a completely refurbished and modified Dynaco PAS3X tube preamp, which then feeds refurbished vintage Magnavox tube amplifiers in a bi-amped configuration.
Inclusion of the Bifrost DAC gave a very noticable improvement in the "depth" of the sound. While not necessarily hitting any higher or lower frequencies than before, the resolution at which the system played these frequencies is much improved. Also, detail is much more present. In older jazz recordings, I can hear the various and subtle noises the musicians made while they were on stage - instruments bumping the mic stand, musicians shuffling around, etc. Contrary to detracting from the music, it makes for a more realistic sound stage.
Build quality of this unit is outstanding. Part of my selection choice was the fact that it was made in the USA. Upon arrival, I was thoroughly impressed with the quality of the materials used and the "heft" of the unit. The warranty from the manufacturer is outstanding, and the ability to upgrade the DAC's interface in the future is a great feature. I opted for the non-USB version, since the Sonos supports both SPDIF and Coaxial digital inputs.
Despite the tongue-in-cheek name, the Schiit Bifrost seems to be an excellent product and proof that made-in-the-USA does not have to mean expensive.

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