iFi Audio Pro iDSD DAC/headphone amp/preamp/streamer

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Categories:
Solid-state preamplifiers,
Music servers and computer audio,
Headphone amps and amp/DACs
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Products:
iFi Audio Pro iDSD

The Pro iDSD makes it easy to compare the relative sonic merits of BP and BP+ playback alongside its other three digital filters (GTO, AP, and TA), where sonic differences are plainly audible, yet also quite subtle. Each of the filter settings can be beneficial in certain use cases, but the one setting that offered the most sonic benefits in virtually all cases was the Gibbs Transient Optimised filter. This filter yielded clear and articulate transient sounds, pure and natural timbres, realistic attack and decay characteristics, and natural (never special effects-like) three-dimensionality. In short, the Gibbs Transient Optimised filter combines all the best aspects of the Transient Aligned filter with a markedly more natural and realistic presentation overall. I came to these conclusions purely by listening to the Pro iDSD’s various filters over a long period of time, but after the fact I found an iFi tech paper that indicated the firm also has a preference for the Gibbs filter for essentially the same reasons I’ve outlined here. In my view, the Pro iDSD is a terrific performer in its own right, both as a DAC and as a headphone amplifier. In fact, I think many users will find it to be as much amplifier as they might ever need or want. With that said, however, let me observe that there is something flat-out magical about using the Pro iDSD in concert with Pro iCAN amp. Good though the amp section of the Pro iDSD is, the Pro iCAN dials in a few clicks more precision and control, plus substantially more dynamic muscle and swagger for handling power hungry headphones like the HiFiMAN Susvara. By combining the Pro iDSD with the Pro iCAN, users wind up with an absolutely masterful personal audio playback system that has few peers at this (or really any) price point. 

TECHNICAL SPECIFICATIONS

 Type: Hybrid solid-state/valve-powered DAC/headphone amp/preamp/streamer

Valve complement: twop NOS General Electric 5670 valves

Digital Inputs: USB, AES3, S/PDIF (coaxial and optical), BNC multifunction (S/PDIF and Sync), combination Ethernet/WiFi/Network/USB Host 

Supported formats:
PCM up to 768kHz
DSD up to DSD 1024
DXD and double-speed DXD

Upsampling options: PCM to 705.8kHz or 768kHz

DSD remastering options: DSD 512 and DSD 1024

Digital Filters: 
Bit perfect
Bit perfect +
Gibbs Transient Optimised
Apodising
Transient Aligned

Analogue Outputs: 

Rear panel: Balance XLR and singled-ended RCA

Front panel: 6.35mm single-ended headphone jack, 3.5mm single-ended headphone jack, 2.5mm balanced headphone jack

Gain: 0dB, +9dB, +18dB

Power output:

Balanced: >4000mW @ 16 Ohms

Single-ended: >/= 1500mW @ 16 Ohms

Dimensions (H×W×D): 
63.3mm ×220 ×213mm

Weight: 1980g

Price: £2,499 (including VAT); $2,499 US

MANUFACTURER: iFi Audio

URL: ifi-audio.com

UK DISTRIBUTOR: Select Audio

URL: selectaudio.co.uk

Tel: +44(0) 1900 601954

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