posted
while HU playing cd,the spinning sound will come out from sub and mid,especially when pressing pause or change track,but this will happen only when switch to ignition,if start the car,the noise will gone,anyone can help?thanks!!! Posts: 10 | Registered: Jul 2001
| IP: Logged |
posted
my current setup is RF rxf9400 HU,mid amp is us acoustic,sub amp is RF power500a2,mid is alpine dddrive f17c,sub is RF he2,the gain control from both amp is all the way down,about 20%,cos HU give 5v preout,the noise will happen when car is switch to ignition position,if switch to start position the noise will gone,the noise is from the HU when spinning a disc or the cd lens moving sound,easy can heard when press pause,not a whining noise,i also try to grounding difference point,but still no work,anyone can help?thanks!
Posts: 10 | Registered: Jul 2001
| IP: Logged |
Printer-friendly view of this topic