IFI PRO IDSD STREAMING DAC ANNOUNCED
Digital music lovers, iFi Audio, has just announced its new Pro iDSD which is a hi-res DAC/preamp, Wi-Fi streamer and headphone amp.
The Pro iDSD features sophisticated digital and analogue circuitry combined with an array of sonic tailoring facilities including upsampling to DSD1024 and a switchable valve/solid-state output stage, which all makes for exciting reading.
iFi Pro iDSD
iFi Audio has combined classic design techniques used to achieve ultra-low-noise in tube equipment with cutting-edge, 21st-century technology to deliver stunningly superior performance.
The Pro iDSD uses a Quad ‘stack' of Burr-Brown Bit-Perfect DSD and DXD DACs in a custom ‘interleaved' configuration. The result is that a total of eight pairs of differential signals can be used and mixed – that's four pairs of signals per channel.
A signals to the DACs are re-clocked with the low-jitter Global Master Timing master clock; this has been borrowed from parent company AMR's revered DP-777 DAC.
Digital processing power comes by of an XMOS XU216 X-Core 200 Series 16-Core processor. This brain can deal with 2,000 MIPS (two billion instructions per second) calculation when in dual-issue mode as a USB interface.
Unusually, there is no ASRC or up-sampling involved, unless you select a digital filter. However, all digital processing is Bit-Perfect.
All of the Pro iDSD's inputs (including USB) are galvanically isolated, and the USB input is self-powered. LINKPLAY Wi-Fi/network playback, as well as Spotify and Tidal, are baked in. You also get Airplay and DLNA support. Furthermore, there's extensive protocol support for 32-Bit/192kHz and DSD64.
The Crysopeia FPGA (field-programmable gate array) is employed to handle up-sampling duties. The Pro iDSD will play all audio formats to DSD1024 or DSD512 or PCM 768K with user-selectable digital filters.
The Pro iDSD will retail for £2,499.
iFi Pro iDSD specification headlines
- PCM up to 768kHz
- DSD up to 24.576MHz
- DXD and double speed DXD (2xDXD)
- USB (required for DSD, DXD and sample rates above 192KHz)
- AES3 (XLR - single link)
- SPDIF (RCA/Optical combo)
- BNC multifunction In (SPDIF/AES3id In, DARS In, 10MHz In, Atomic clock in)
- BNC multifunction Sync Out (DARS out, 10MHz out)
- Balanced XLR at 4.6V (+15.5dBu - HiFi) or 10V (+22dBu - Pro)
- Single Ended RCA at 2.3V (HiFi) or 5V (Pro)
- Headphones 6.3mm & SE 3.5mm Jack at 0.55V/2.1V/5V
- Headphones BAL 2.5mm Jack at 1.13V/4.6V/10V
- Headphones out 1,500mW RMS X 2 @ 64 ohm, 4,000mW max. 2 X @ 16 Ohm
For more information, go to iFi Audio.
Further reading: Computer & Desktop Audio Discussion Forums
StereoNET UK’s Editor and Bass playing gadget junkie. He’s captained the good ship GadgetyNews for over a decade, making low jargon high tech a very handy thing. His passion for gadgets and Hi-Fi is second only to being a touring musician.
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