68
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
-20dB
-30dB
-40dB
-10dB
LEVEL DIAGRAM
SUBWOOFER ch
-40dBFS
-30dBFS
-30dBFS
200mV
+30dB
PRE OUT
PRE OUT
300mVrms
200mVrms
PRE OUT
150mVrms
+
R2A15218FP
GAIN
ADJ.
AK4358VQ
PLD
DSP
D/A
−
−
+
0dBFS=1.77Vrms
GAIN setting of MASTER VOL 00dB
・DIGITAL IN -2.5dB +14dB =+11.5dB
・ANALOG IN -2.5dB +14dB +6.5dB =+18dB
① ② ③
①:Basic OFFSET of VOL=0dB (indication value)
②:Revision SW ch
③:OFFSET of AD input-
PRE OUT
0dB
AK4358VQ
+11.5dB
ANA INPUT:200mVrms L+R 20Hz
(MODE:MULTI CH STEREO)
DSP OUTOPUT:-40.5dBFS
(-20-6.5-20+6=-40.5dB)
+7.07dB
DD INPUT:-30dBFS LFE 30Hz
+18dB
R2A15218 MAX.OUTPUT 3.8Vrms
AZ4580 MAX.OUTPUT 7.78Vrms
FULL SCALE LEVEL=4.0Vrms
PRE OUT
MUTE
PCM INPUT:-20dBFS L+R 30Hz
(MODE:MULTI CH STEREO)
DSP OUTOPUT:-34dBFS
(-20-20+6=-34dB)
+11.5dB