Extron Electronics XTRA Full Rack Series User Guide - Manual (Page 20)

Bridged Mode Output
XPA 2002 bridged mono output speaker wiring
In bridged mode, the output mode toggle switches for Input 1 (A) or Input 3 (B) or both
must be set to the bridged (up) position, as shown below.
For Input 1: The channel 1 “+” output terminal becomes the bridged:”+” output
terminal and the channel 2 “+” output terminal becomes the bridged “-” output terminal,
as shown below.
1 2
BRIDGE
8 / 4
8 Ohm
(BRIDGE 8 ONLY)
ON
OFF
A
BRIDGE
MODE
On the input end, only Input 1 is used in bridged mode, as shown below.
1 2
(BRIDGE)
XPA 2002 bridged mono output using parallel speaker wiring
In bridged mode, the output mode toggle switches for Input 1 must be set to the bridged
(up) position, as shown below.
The channel 1 “+” output terminal becomes the bridged:”+” output terminal and the
channel 2 “+” output terminal becomes the bridged “-” output terminal, as shown below.
8 Ohm
Total
Load
Two 16-ohm speakers wired in parallel equal an 8-ohm load.
(BRIDGE 8 ONLY)
ON
OFF
A
1 2
BRIDGE
OUTPUTS
CLASS 2 WIRING
BRIDGE
MODE
4 / 8
Mono
–
Mono
+
16
ohms 16
ohms
On the input end, only Input 1 is used in bridged mode, as shown below.
1 2
(BRIDGE)
XTRA Full Rack Power Amplifier Series • Operation 15