Accademia Laboratory Niko 1300M, User Manual

Page: 11 / 15

Input panel
The Niko1300M have two type of input switchable
through the input selector switch.
Unbalance Input (RCA)
A 2 pin RCA [fig 4.1A] connector is provided for
unbalanced input use. The unbalanced input have
25Kohm inlet’s impedance.
Balance Input (XLR)
A 3 pin female XLR [fig 4.1D] connector is provided for
balanced input use. The balanced input has 50Kohm
impedance. Pin 1 GND, Pin 2 Hot +, Pin 3 Cold -.
Input selector switch
The input selector switch
[fig 4.1B]
is located in the
center of the rear panel. It switch between balance
(XLR) and unbalance (RCA) input.
Input gain selector
The gain selector
[fig 4.1C]
is located under the input
selector switch. The gain selector is an input
attenuator. View
[fig 4.2]
for details.
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Rel: 1/8/2018 V1 RevA
CONNECTIONS
GAIN ATTENUATION
0 0db
1 -3db
2 -6db
3 -12db
4 -18db
5 -infdb
6 not used
NO USER-SERVICEABLE PARTS INSIDE REFER
SERVICING TO QUALIFIED PERSONNEL.
TO PREVENT THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER OR BACK.
RISK OF ELECTRIC SHOCK
CAUTION
2
1
3
4
5
6 0
XLR connection
1-GND
2-Hot +
3-Cold - XLR connection
1-GND
2-Hot +
3-Cold -
TWO BLOCKS ONE CHASSIS
WITH
MONOPHONIC AMPLIFIER
fig 4.1
B
C A D
fig 4.2