GAIN
ADJ.
PCM1690
D/A
-
-
+
PLD
0dBFS=±4.0Vpp
= 2.83Vrms
GAIN setting of MASTER VOL 00dB
・DIGITAL IN -2.5dB +12dB = +9.5dB
・ANALOG IN -2.5dB +12dB +3.5dB = +13dB
(1) (2) (3)
(1):Basic OFFSET of VOL=0dB
(2):SW-ch revision
PRE OUT
0dB
PCM1690
+9.5dB
ANA INPUT:200mVrms L+R 20Hz
(MODE:MULTI CH STEREO)
DSP OUTOPUT:-37.5dBFS
(-20-3.5-20+6=-37.5dB)
+5.01d
DD INPUT:-20dBFS LFE 30Hz
DSP OUTPUT:-40dBFS
+13d
-30dBFS
-20dBFS
R2A15218 MAX.OUTPUT 3.8Vrms
AZ4580 MAX.OUTPUT 7.78Vrms
FULL SCALE LEVEL=4.0Vrms
150mVrm
PRE OUT
300mVrm
PRE OUT
PRE
OUT
MUTE
PCM INPUT:-20dBFS L+R 30Hz
(MODE:MULTI CH STEREO)
DSP OUTOPUT:-34dBFS
(-20-20+6=-34dB)
+9.5d
+5.01d
+5.01dB
11.83mV
23.60mV
35.32mV
90