RCA input to amp unplugged, car not running, tweeters have audible hiss. Amp->Xover->tweeter.
QUESTION: Can I see if it's the speaker wiring or power source by using my oscilliscope? Pretty good PC based scope I can sample up to 100k Hz and get very good look. Just not sure what to look for.
DETAILS:
Amp = Rockford Fosgate P300X2
Component speakers = Rockford Fosgate T1650S
Crossovers directly next to amp.
Gain on amp was set with a scope.
Tech support at Rockford Fosgate said either power supply or speaker wiring is routed by noise.
Power supply: 8awg direct to battery.
Speaker wires are 16awg.
Ground is big lug and star washer bolted to wire wheeled steel of truck body next to amp. Wire connections I feel very good about. Everything is soldered well except wire clamps in/out amps, crossovers, and power fuse junction, but they are all tight and proper.
I did my best to avoid running near anything that might cause EFI, but if I can figure whether speaker wire or power line, I can chase it down.
Thanks.
QUESTION: Can I see if it's the speaker wiring or power source by using my oscilliscope? Pretty good PC based scope I can sample up to 100k Hz and get very good look. Just not sure what to look for.
DETAILS:
Amp = Rockford Fosgate P300X2
Component speakers = Rockford Fosgate T1650S
Crossovers directly next to amp.
Gain on amp was set with a scope.
Tech support at Rockford Fosgate said either power supply or speaker wiring is routed by noise.
Power supply: 8awg direct to battery.
Speaker wires are 16awg.
Ground is big lug and star washer bolted to wire wheeled steel of truck body next to amp. Wire connections I feel very good about. Everything is soldered well except wire clamps in/out amps, crossovers, and power fuse junction, but they are all tight and proper.
I did my best to avoid running near anything that might cause EFI, but if I can figure whether speaker wire or power line, I can chase it down.
Thanks.