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Input Connector
Input Impedance
Regular Impedance Regular Input Level Connector Type
Channel Mic
3k ohm
50~600 ohm
-60dB
XLR 3-31 Type
Balanced
Channel Line
20k ohm
600 ohm
-30dB
Phone Jack (TRS)
T = Hot
R = Cold
S = GND
Stereo Input
10k ohm
600 ohm
-20dB
Unbalanced
Phone Jack
Aux Return 1~2
10k ohm
600 ohm
+4dB
Unbalanced
Phone Jack
Mono Channel Insert Input
10k ohm
600 ohm
odB
Phone Jack (TRS)
T = Out
R = In
S = GND
Tape In
10k ohm
600 ohm
-10dBV
RCA pin Jack
Output Connector
Output Impedance
Regular Impedance Rated Output Level
Connector Type
MIX Out L/R
120 ohm
600 ohm
+4dB
XLR Type
CTRL Room Output
100 ohm
600 ohm
+4dB
Unbalanced
Phone Jack
Aux Send 1~ 2
100 ohm
600 ohm
+4dB
Unbalanced
Phone Jack
Mono Channel Insert Output 600 ohm
10k ohm
0dB
Phone Jack (TRS)
T = Out
R = In
S = GND
Rec Output
600 ohm
10k ohm
-10dBV
RCA pin Jack
Headphone Output
100 ohm
40 ohm
3mW
Stereo Phone Jack
R Series Mixers
R1604 & R2004
.14.