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アンプ Bose B2000のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Bose B2000 19 ページ。 Power amplifiers
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4. Installation
4.6 Inputs
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: -
Balanced operation
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 -)
B1500 shown only
PIN1 - Screen (see note)
PIN2 - Hot (signal +)
PIN3 - Cold (signal -)
GND
(Shield)
GND
-
+
(Shield)
-
+
GND
Balanced
Source
Channel A
GND
(Shield)
GND
-
+
(Shield)
-
+
GND
Balanced
Source
Channel B
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