Harman Consumer Group AVR75/85, Техническое руководство

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AC-3 Section Performance Specifications for Model AVR75/85
Seq
#
Test
LD
No.
Ref. Unit Nominal Limits
1
Output Level at Preout
Input Level 0dB fs
Master Volume: 0 dB
SPK SETT NO. 1
Front
38 1kHz
V
1.40 1.10~1.70
Surround 1.40 1.10~1.70
Center 1.40 1.10~1.70
Subw 18 30kHz 4.4 3.60~5.10
2
S/N Ratio at Preout
Input Level -20dB & silence
A weight
+20k LPF (except Subw)
SubW: 20k LPF
Master Volume: Max
SPK SETT NO. 1
Front
6 1kHz
dB
80 ] 74
Surround 80 ] 74
Center 80 ] 74
Subw 24 30Hz 74 ] 68
3
T.H.D at Preout
Input Level -20dB fs
20k LPF
Master Volume: Max
SPK SETT NO.1
Front
6 1kHz
%
0.01 * 0.02
Surround 0.01 * 0.02
Center 0.01 * 0.02
Subw 24 30Hz 0.07 * 0.14
4
Channel Separation
at SPK Output
(SW:Preout) Input Level
0dB fs
Input f=1kHz (except Subw)
f=30Hz (Subw)
Master Volume; -5 dB
SPK SETT NO. 1
between each CH
Front 8, 12
1kHz
dB
ü ] 57
Surround 14, 16 ü ] 57
Center 10 ü ] 57
Subw 18 30Hz ü ] 57
5
30Hz Output Level at Preout
for Crossover
Master Volume: 0dB
Delay Time 0ms
Front
SPK SETT
No. 3
20 30Hz V
2.70 2.0-3.5
Subw
SPK SETT
No. 1
6.50 5.5-7.5
6
Frequency Response
at 20-20kHz
(subw: 500Hz)
INPUT 0dB fs
Master Volume: -10 dB
Mode: PCM STEREO Service
SPK SETT NO. 2
Front
1kHz
dB
-1 0~3
Surround -1 0~3
Center -1 0~3
Subw 31.5Hz -55 * -50
Front
1kHz
-29 * -18
Surround -29 * -18
Center -29 * -18
7
PCM OUTPUT
INPUT -20dB fs (L, R)
20kHz LPF
Master Volume: Max
fs: 32K, 44.1K, 48K
LEVEL
1kHz
V 0.75 0.6-0.9
THD % 0.01 * 0.02
S/N dB 80 ] 74
3 1
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85