GAIN
ADJ.
PCM1690
D/A
-
-
+
PLD
PCM9211
A/D
-2.5dB
-26.5dBFS
PRE OUT
150mVrm
277mVrms/33Ω
4.27Vrms/8Ω
200mVrms
GAIN setting of MASTER VOL 00dB
・SW:YES (DIGITAL) -2.5dB = - 2.5dB
・SW:YES (ANALOG) -2.5dB +3.5dB = + 1.0dB
・SW:NONE (DIGITAL) -2.5dB +12dB = + 9.5dB
・SW:NONE (ANALOG) -2.5dB +12dB +3.5dB = +13.0dB
(1) (2) (3)
(1):Basic OFFSET of VOL=0dB (PREAMPGAIN:+15.5dB)
(2):OFFSET of SW NON
(3):OFFSET of the AD input
28.31dB
MIC IN
11.48mVrms
ZONE2 SEL.
REC INH.
0dBFS
-20dBFS
+1dB
+9.5dB
+13d
NJU72340 MAX.OUTPUT 3.8Vrms
AZ4580 MAX.OUTPUT 7.78Vrms
SINGLE INPUT
0dBFS=3Vpp
=1.06Vrms
ACM2 (DM-A409)Sensitivity:
-38.8dBV/Pa = 11.48mV/Pa at 94dBSPL @Operation Voltage 5.0V (94dBSPL is expected to -
11.0dBFS)
+
MIC IN
LINE IN
NJU72430 ATT:0dB at AUTOSETUP
87