ifi Pro iDSD DAC
Četverostruka DAC sekcija
iDSD Pro koristi iFi bit-perfect Burr-Brown DSD i DXD DAC-ove naslagane u tzv. umetnutu konfiguraciju. To omogućuje korištenje i miješanje ukupno osam parova diferencijalnih signala – to je četiri para signala po kanalu! Dok iDSD Pro uključuje integrirani krug s programabilnom logičkom matricom vrata (FPGA – integrirani krug dizajniran za konfiguraciju nakon proizvodnje) za digitalno remasteriranje – a vjerujemo da su izvrsni – postoje i vanjske D/A sekcije s ograničenim brojem elemenata. U uređaju koristimo četiri izmjenična pretvarača, svaki sa 64 elementa, kako bismo kreirali DAC sa 256 elemenata po kanalu. Svi signali koji stižu do DAC-a su prošli re-clocking sa Global Master Timing® master clock-om izvedenim iz AMR DP-777.
Specifikacije:
Sample rates: | PCM up to 768kHz DSD up to 49.152MHz (DSD 1024) DXD and double-speed DXD (2xDXD) |
Inputs: | USB (required for DSD, DXD and sample rates above 192KHz) AES3 (XLR – single link) S/PDIF (coaxial/optical combo) BNC multifunction (S/PDIF in or sync input) |
Outputs: | 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/4.4mm Jack at 1.13V/4.6V/10V Headphones out 1,500mW RMS X 2 @ 64 ohm, 4,000mW max. 2 X @ 16 Ohm |
Headphone Output Impedance: | Single-Ended (S-BAL): < 1 Ω Balanced: < 2 Ω |
Volume control: | Balanced (6-gang) Alps potentiometer, motorised with IR remote control XLR/RCA outputs can be selected as fixed level or adjusted 6.3mm headphone jack is always adjusted |
Other Functions: | Various digital and analogue filters can be selected for DSD and PCM up to 384KHz |
PCM Filters: | Bitperfect 44.1 – 192kHz, always used for 352.8 – 768kHz Bitperfect + 44.1 – 96kHz Gibbs Transient Optimised 44.1 – 384kHz Apodising 44.1 – 384kHz Transient Aligned 44.1 – 384kHz |
DSD filters: | fixed 3rd order analogue filter @ 80kHz with correction for DSD’s -6dB gain |
Gain (headphone section): | user-selectable: 0dB, 9dB and 18dB |
Dynamic range: | 119dBA (solid-state, PCM, -60dBFS) |
Output power | Pro iDSD 4.4mm socket. (16 Ω, balanced/single-ended): >4200mW /1>1,575mW
Pro iDSD 2.5mm socket. (16 Ω, balanced/single-ended): >4000mW /1>1,500mW |
Output voltage | (600Ω, balanced/single-ended): >11.2V / >5.6V |
Input voltage (Pro iDSD): | DC 9V/6.7A – 18V/3.35A |
Input voltage (iPower+): | AC 85 – 265V, 50/60Hz |
Power consumption: | < 22W idle, 50W max. |
Dimensions: | 213 (l) x 220 (w) x 63 (h) mm |
Weight: | 1980g (4.37 Ibs) |