Whenever the receiver loses the audio "codec" (signal) it should mute all of the pre-out jacks for a short period of time. A power mismatch is not the only issue that causes a popping noise from the subwoofer. If your subwoofer (s) "thump" or "pop" when you are changing inputs on your receiver don't automatically blame the subwoofer. The popping noise occurs as the amplifier tries to produce more voltage than it can to meet the demands of the subwoofer. Hope you can understand what I'm trying to say. When the subwoofer crackles in your home theater system, you hear the wires go in and out of their terminal. When the popping sound occurs, it is conceivable that the receiver or amplifier is providing an unclean signal to the subwoofer, creating the popping sound. Sub "pops" when car is turned off Theme . my panasonic has a ground inside the . 2. make sure ur rca's arent pinched or around the ground. 2. your RCAs are probably screwed. Green . i had the same problem and just buy cleaning up my ground it went away but i still have some idle noise which is either my deck or because i have shielded rca's. Vehicle: 2000 Dodge Dakota Ext Cab. example my prd1000.1 gave a loud boom, when turn the key straight off.. the boom is the extra voltage on the amplifiers voltage rails leaking out of the capacitors to the subs.. my 2 2500ds do not give me that boom!! Audio . you can wire a relay to the remote wire, to fix this problem.. Feb 18 . The subwoofer works well when receiving a signal from the receiver. But when the receiver is off and the subwoofer in on/stand by it makes a popping sound periodically. A pop noise is frequently heard when the gain setting on an amplifier is set too high. The RCA is not shielded and not OFC. A car system yes. Then I start the car and the 'air sound' stops. you have a bad ground, check it again, drill a hole, brush the paint off, and screw it through the floor. 3. could be your deck. Let's say that points A and B (and +V1 and -V1) are the maximum ratings of our subwoofer. Answer: A subwoofer should not be making any type of noise when the amplifier turns on. If during your car speaker repair you notice that the popping noise is only coming from one location, it is likely that this one speaker has a broken wire or connection. 3. This ends up clipping the sound on every cycle. The speakers and subwoofers attached to the amplifier can be heard popping as the amplifier turns on and sends the first 6 volts via the speakers and subwoofers. If your car pops when turning the radio off while the car is still on, this will not correct that. The amplifier is not grounded properly or poorly grounded. the problem is actually the amplifier 90% of the time. if i don't turn my amps off before starting my truck (after the headunit tells the amps to turn on) my amps bottom out my speakers when i turn the key. New Subwoofer Pop - Ford Truck Enthusiasts Forums . After I start listening to music pretty loud for more than around 5-10minutes (or just normal level for long periods of time).when I turn my car off the sub makes a thump or popping noise. When you experience popping sounds from a subwoofer at home, the result is almost always a wiring issue. Simply use your tools to take the speaker out and then check the connecting wires on the bottom for mechanical defects. Orange . Jun 18, 2020 #1 I have a subwoofer that pops when not receiving a signal. Step 3; switch the AV receiver and the amplifier out. The speaker wires are too close to the power and ground wires. 2. I think it does it right when the Amp starts up . Forums. 3. you have a ground in the deck. Most commonly, it is because you have your subwoofer volume turned up too high, which causes a power spike from the amplifier. Electronics & Wearables. Slam: The incoming signal tells the cone to move too far forward. Noises are caused by these conditions. . Start date Jun 18, 2020; Sidebar. If we increase the volume of the signal, the higher voltage (+V2) now tries to move the cone even further toward the front (C). Pink . Home. Other common causes are loose wire/connections, interference from your A/C, or just from trapped air in the subwoofer cone. 1. I check the voltage from the amp power input, i also measure the voltage from the battery and the are same as above. The noise may also be due to loose connections in the circuit. May 30, 2011. #1. The signal is still a clean signal, but now it is trying to . we can discuss other options for that. Mar 19, 2013. To rule out the sub as the problem, direct connect an iPod, a DVD player, or really any source directly into the RCA jacks on the back of the sub. Step 3 - Check Wires and Hardware. You may hear this when you initially start the car and the amplifier switches on. The vibrations caused by the lower frequencies can jiggle out the connections, creating an interrupted circuit. because it doesnt do it when you unplug them, spend the $20 and get a new set. 4. could be remote wire. About 8 seconds after turning my car on or starting the electrical system, my subwoofer makes a popping noise, and then everything works fine. . The subwoofer will only reproduce the signal sent to it from the AVR (Audio Video Receiver). Apr 21, 2008. there are 3 options. This has only happened with this amp/sub combo, and I haven't really done anything to try and stop it because it works fine after that. i'm running the xenon 100.4 and 400.1. i have a . . Before the engine start is 12.47v after the engine start 14.4v. If the popping sounds are coming from the receiver, it sounds like a bad electrolytic capacitor somewhere in the audio chain. I test all wire again, by remove the speaker wire, is green light before engine start and red light after engine . 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