Alto APM10 User Manual page 20

5. INSTALLATION AND CONNECTION
MAIN L MAIN R
AUX 1 MONO
A
BRIDGE
AMP MODE
With the AMPLIFIER MODE switch in BRIDGE position the two power amplifiers in
your APM Series drive together a single speaker cabinet with the sum of the power
of the 2 amps. Usually this solution is used to drive a single subwoofer and the main
out output on the front panel are used to feed a pair of powered speakers as mid-
high units.
18
B
Bridge Mode
Main Speaker
SPEAKERS
B A B BRIDGE
+ 1+ 1+ + 2+ + 1+ +
1 1 2 2+
B A
2 1 1 2
MAX. OUTPUT 1000W/8 (A B,BRIDGE) 1 and 2 = 8 - 16 /SPEAKER
MAX. OUTPUT 500W/4 (A,B) 1 or 2 = 4 - 8 /SPEAKER
CLASS 2 WIRING WAY BE USED. BRIDGE = 8 - 16 /SPEAKER