Input Panel; Unbalanced Rca; Balanced Xlr; Input Selector Switch - Accademia Laboratory Niko 1300M User Manual

MONOPHONIC AMPLIFIER
TWO BLOCKS ONE CHASSIS
WITH
fig 4.1
GAIN ATTENUATION
0 0db
1 -3db
2 -6db
3 -12db
4 -18db
5 -infdb
6 not used
fig 4.2
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CONNECTIONS

Input panel

3
4 2
5 1
6 0
B
A C
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
CAUTION
RISK OF ELECTRIC SHOCK
25Kohm inlet's impedance.
NO USER-SERVICEABLE PARTS INSIDE REFER
SERVICING TO QUALIFIED PERSONNEL.
TO PREVENT THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER OR BACK.
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.
11 of 15
XLR connection XLR connection
1-GND 1-GND
2-Hot + 2-Hot +
3-Cold - 3-Cold -
D
Rel: 1/8/2018 V1 RevA