+3.3dB
2.83Vrms=0dBFS
-10dBFS
-20dBFS
-30dBFS
-40dBFS
PCM1690
-50dBFS
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
-2+17-
200mVrms
+30dB
PREOUT
310mVrms
MAX. SIGNAL LEVEL
DOLBY LIMIT LEVEL (ALLch-3dBFS)
+3.3dB
-37dBFS(DIG.IN:PCM)
+3.3dB
Differential Out
PRE OUT
159mVrms
-2+17-0.5dB=14.5dB
-43dBFS
(DIG.IN:DD Config1)
DD INPUT:-30dBFS LFE 30Hz
PCM INPUT:-20dBFS LFE 30Hz
-43.5dBFS(A/D IN)
ANA INPUT:200mVrms L+R 30Hz
AVR-X4100
LEVEL DIAGRAM
SUBWOOFER ch
R2A15220FP
PRE OUT
R2A15218FP
GAIN
ADJ.
+
DSP
PCM1690
D/A
-
-
+
PLD
MUTE
R2A15218FP/R2A15220FP MAX. OUTPUT 3.8Vrms
GAIN Setting of MASTER VOL 0dB
・DOLBY DIGITAL IN -2dB +17dB -0.5dB =+14.5dB
・ANALOG IN -2dB +17dB +6.5dB =+21.5dB
① ② ③ ④
①:Basic OFFSET of VOL=0dB (indication valude)
②:Channel compensation of Subwoofer
③:OFFSET of A/D input
④:System compensation of Digital Input
-2+17+6.5=21.5dB
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