Orion 250R & 275R Owner's Manual page 16

SYSTEM 4
SYSTEM 4 adds an amplifier to system 3 to the front satellites for more power
and control.
AMPLIFIER 1 & 3
• Output is configured for high-pass operation.
• Left Phase switch set to 0°
• Right Phase switch set to 0°
• Gain controls can be set together or independently of each other
page 16