HD990 Detailed Technical Specifications
ITEM SPECIFICATIONS Measured at TEST CONDITIONS
OUTPUT
LEVEL
Audio
Frequency Response < +0.1dB, -0,5 dB, 20 kHz
<-3dB, 48 kHz
<-6dB, 96 kHz
Line Output Ref.:1KHz, 0dB, CD:4Hz~20KHz
Other frequency response result
tested for the analog output stage
only, using digital input.
De-emphasis response <+0,1, -0,5 dB, 20-20 kHz Line Output Ref.:1KHz, 0dB, CD:4Hz~20KHz
with Emphasis
DNR 16 bits <-96dB unweighted (WB 20-20kHz) Line Output Use CD-DA
DNR 16 bits <-100dB A-Weighted (WB 20-20kHz) Line Output Use CD-DA
DNR 24bits unbalanced output <-115db A-weighted Line Output Use Digital Input
DNR 24bits unbalanced output <-118db A-weighted Line Output XLR Use Digital Input
Distortion (THD+n)
16 bits, unbalanced
20-20kHz
<0.0025% unweighted Line Output 0 dB fs
Distortion (THD+n)
24 bits, unbalanced
20-20kHz
<0.001% unweighted Line Output 0 dB fs
Distortion (THD+n)
24 bits, balanced
20-20kHz
<0.0008% unweighted Line Output 0 dB fs
CH. Separation > 100 dB Line Output L->R / R->L 1kHz
Channel Balance +/-0.2dB Line Output
IMD <0,0015% Line Output SMPTE, (10K + 11K), 80 KHz BW
L to R Phase Shift <0,7 deg Line Output 10 - 20kHz
Linearity 0 dB +/- 0.1 dB Line Output 1kHz, 0dBfs
Low Linearity Level <±0,5 dB Line Output 1 kHz, -110 dBfs 24 bits
Output Level 2Vrms +/-5% Line Output 1kHz, 0dB, 10 kohms load
Digital Output
Output Level 500mV(p-p) +/-20% Coax output
Output Impedance 75 ohms Coax output
Output jitter level <1mUI
Digital Input
Input Level 500mV(p-p) +/-20% Coax output
Output jitter level <1mUI
Loader
CD SPEC TEST CONDITIONS
ECCENTRICITY 140 µm TCD 714
VERTICAL DEVIATION 0.92 mm
MCD-151, TCD-731RA
DEFECT(INTERRUPTION) 900 µm MCD-131
DEFECT(BLACK DOT) 1000 µm TCD 725B
DEFECT(FINGER PRINT) 75um TCD 725B
DEFECT(SCRATCH) 2mm TCD 725B
SEARCH TIME 2.5sec
ITEM SPECIFICATION TEST CONDITIONS
LOADING TIME 30 sec or less OFF-Play
UN-LOADING TIME 5 sec or less Play-OFF
START UP TIME 3 sec or less Stop-Play
ACCESS TIME 3 sec or less (CD)
HD 990 harman/kardon
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