Allen & Heath 13 ZED-R16 User Guide
MONO INPUT CHANNEL
Line Input Jack Socket
Standard 1/4” (6.25mm) Jack socket for balanced or unbalanced line
level signals. Wired Tip=Hot(+), Ring=cold (-), Sleeve=Chassis.
IMPORTANT NOTE:
The Line input signal is connected to the XLR input through attenu-
ating resistors and coupling capacitors, in other words the two in-
puts are summed together at different levels. If Only the Mic input
signal is required, make sure nothing is plugged into the Line jack and
vice versa.
Insert Jack Socket
Standard 1/4” (6.25mm) Jack socket for unbalanced insert send and
return signals. Wired Tip=send, Ring=return, Sleeve=Chassis. Nomi-
nal level is 0dBu. The insert point is after the 100Hz filter and before
the EQ.
Gain Control
This adjusts the gain of the input amplifier to match the signal level
of the input. The gain is varied from +6dB to +60dB for signals
plugged in to the xlr socket (Mic Input) and –14dB to +40dB for
signals plugged into the Line input jack.
100Hz Hi-pass Filter
The Hi-pass filter is used for reducing pop noise and
rumble from microphone signals. It is a 2-pole (12dB
per octave) filter with a corner frequency set at
100Hz.
The filter affects signals from both Mic XLR and Line
jack socket.
48V Phantom Power Switch
Applies +48V to pins 2 and 3 of the XLR input though 6k8 resistors
for phantom powered condenser microphones.
Microphone Input Socket
Standard 3-Pin XLR socket wired as Pin 1=Chassis, Pin 2=hot (+),
Pin 3=Cold (-).
MIC
INSERT
LINE
48V
1
IN
60 40-14 6
30
40
50
0
20
GAIN
HPF
100Hz
1
2
4
3
5
6
2
4
1
3
5
10.00 Hz 100.00 1000.00 10000.00
-40.00
-35.00
-30.00
-25.00
-20.00
-15.00
-10.00
-5.00
0.00
5.00
dBr
ZED-R 16 Hi Pass Filter
6
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