GAIN
ADJ.
PCM1690
D/A
-
-
+
PLD
DD INPUT:-20dBFS CNT 1kHz
DSP OUTOPUT:-20dBFS
ANA INPUT:200mVrms L+R 1kHz
(MODE:MULTI CH STEREO)
DSP OUTOPUT:-23.5dBFS
200mVrms
-3.01dB
PCM1690
DIFF.OUT
0dBFS=±4.0Vpp
=2.83Vrms
0dBFS
-20dBFS
FULL SCALE LEVEL=2.0Vrms
R2A15218 MAX.OUTPUT 3.8Vrms
AZ4580 MAX.OUTPUT 7.78Vrms
GAIN setting of MASTER VOL 00dB
・DIGITAL IN -2.5dB =-2.5dB
・ANALOG IN -2.5dB +3.5dB =+1.0dB
(1) (2)
(1):Basic OFFSET of VOL=0dB ( PREAMPGAIN:+15.5dB at VOLMAX)
(2):OFFSET of the AD input ATT
-2.5dB
+1.0dB
POWERAMP GAIN
+29dB
SPK OUT
4.27Vrms/8Ω
150mVrm
PRE OUT
-3.01dB
88