69
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+29dB
POWERAMP GAIN
+10dB
-20dB
-30dB
-40dB
-10dB
LEVEL DIAGRAM
SURROUND ch
-10dBFS
-30dBFS
-40dBFS
200mV
+30dB
+
+
SPEAKER
OUT
R2A15218FP
GAIN
ADJ.
AK4358VQ
PLD
DSP
D/A
−
−
+
DD INPUT:-20dBFS SURR 1kHz
DSP OUTOPUT:-23dBFS
ANA INPUT:200mVrms L+R 1kHz
(MODE:MULTI CH STEREO)
DSP OUTOPUT:-29.5dBFS
200mVrms
150mVrms
PRE OUT
4.27Vrms/8Ω
SPK OUT
+4.07dB
AK4358VQ
DIFF.OUT
0dBFS=5Vpp
=1.77Vrms
0dBFS
-20dBFS
R2A15218 MAX.OUTPUT 3.8Vrms
AZ4580 MAX.OUTPUT 7.78Vrms
FULL SCALE LEVEL=2.0Vrms
GAIN setting of MASTER VOL 00dB
・DIGITAL -2.5dB =-2.5dB
・ANALOG -2.5dB +6.5dB =+4.0dB
① ②
①:Basic OFFSET of VOL=0dB(indication value)
(PREAMPGAIN:+15.5dB of VOLMAX)
②:Revision OFFSET of AD input
-2.5dB
+4dB