Audial AYA II, Руководство пользователя, Страница: 8 / 10

Specifications
INPUTS
SAMPLING FREQUENCY
OUTPUTS
OUTPUT IMPEDANCE
FREQUENCY RESPONSE
TRANSIENT RESPONSE
ABSOLUTE PHASE
HARMONIC DISTORTION (@ 1kHz)
INTERMODULATION DISTORTION (CCIR)
MAINS VOLTAGE
OUTER DIMENSIONS (W x D x H)
WEIGHT
:
S/PDIF electrical, BNC connector
USB 1.1, standard B connector
:
S/PDIF input: ≤ 96kHz
USB input: 48kHz
:
Unbalanced RCA, 2.1V RMS
:
160 Ohm
:
Sin(x)/x equivalent:
@ fS=44.1kHz: -3.2dB @ 20kHz
@ fS=88.2kHz: -0.8dB @ 20kHz
:
Clean with no overshoot or ringing
(figures 1 & 2)
:
Correct
:
0.12% @ -6dBFS, I/V dominated (fig. 3)
0.02% @ -20dBFS, I/V dominated (fig. 4)
0.72% @ -60dBFS, D/A dominated (fig. 5)
:
0.25% (19kHz+20kHz, -6dBFS each)
:
220-240VAC, 50-60Hz , IEC (C14) connector
110-120VAC available upon request
:
300 x 221 x 75 mm
:
3 Kg
Figure 1: 1kHz square wave
Figure 2: 20kHz square wave
Figure 3: FFT analysis of
dithered sine wave 1kHz @ -6dBFS
Figure 4: FFT analysis of
dithered sine wave 1kHz @ -20dBFS
Figure 5: FFT analysis of
dithered sine wave 1kHz @ -60dBFS
≤
2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
[d
B
]
frequency [Hz]
Ch#1
Ch#2
2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
[d
B
]
frequency [Hz]
Ch#1
Ch#2
2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
[d
B
]
frequency [Hz]
Ch#1
Ch#2