User Manual ISA Audio Power Amplifiers ISA 300T, ISA 500T, ISA 800T, ISA 280, ISA 450, ISA 750

PROBLEM: DISTORTED SOUND
Magnetic field from power supplies in equipment can
induce hum into cabling that is located in the field. If
hum is a problem, try relocating cabling so that is away
from power supplies, transformers and other magnetic
field producing devices.
TROUBLESHOOTING: DISTORTION, NO CHANNEL SEPARATION, HUM, HISS, FEEDBACK