Bose B2000

8
4. Installation
4.6 Input s
The inputs are made via 3-pin XLR connectors, which are electronically balanced and
should be connected via a high grade twin core screened cable, as follows: -
B alanc ed operation
B 1500 shown only
GND
(Shield)
GND
(Shield)
PIN1 - Screen (see note)
PIN2 - Hot (signal +)
PIN3 - Cold (signal -)
-
+
GND
(Shield)
Balanced
Source
GND
+
-
-
+
GND
(Shield)
Balanced
Source
GND
+
-
Channel B
Channel A
NOTE : This amplifier is wired to the latest industry recommendations. PIN1 is
connected directly to the chassis/mains earth. If ground loops (mains hum) are
encountered , remove the screen connection from the other end of the cable and leave
it open circuit. If problems persist, consult your dealer/supplier. DO NOT TAMPER
WITH OR ALTER ANY GROUND (EARTH) CONNECTIONS INSIDE THE
AMPLIFIER.
Pin No. Connection
1 Screen (ground)
2 Hot (signal +)
3 Cold (signal -)