This ends up clipping the sound on every cycle. When you experience popping sounds from a subwoofer at home, the result is almost always a wiring issue. I think it does it right when the Amp starts up . Subwoofer popping when you turn it on can be caused by a wide array of things. May 30, 2011. But when the receiver is off and the subwoofer in on/stand by it makes a popping sound periodically. 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. The noise may also be due to loose connections in the circuit. Start date Jun 18, 2020; Sidebar. . . About 8 seconds after turning my car on or starting the electrical system, my subwoofer makes a popping noise, and then everything works fine. If your car pops when turning the radio off while the car is still on, this will not correct that. Slam: The incoming signal tells the cone to move too far forward. 3. you have a ground in the deck. you have a bad ground, check it again, drill a hole, brush the paint off, and screw it through the floor. Forums. Jun 18, 2020 #1 I have a subwoofer that pops when not receiving a signal. When the subwoofer crackles in your home theater system, you hear the wires go in and out of their terminal. Feb 18 . The popping noise occurs as the amplifier tries to produce more voltage than it can to meet the demands of the subwoofer. my panasonic has a ground inside the . 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. A car system yes. Simply use your tools to take the speaker out and then check the connecting wires on the bottom for mechanical defects. If we increase the volume of the signal, the higher voltage (+V2) now tries to move the cone even further toward the front (C). 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. 1. The speaker wires are too close to the power and ground wires. 4. could be remote wire. 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. Mar 19, 2013. Noises are caused by these conditions. A power mismatch is not the only issue that causes a popping noise from the subwoofer. If the popping sounds are coming from the receiver, it sounds like a bad electrolytic capacitor somewhere in the audio chain. 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. I check the voltage from the amp power input, i also measure the voltage from the battery and the are same as above. The amplifier is not grounded properly or poorly grounded. because it doesnt do it when you unplug them, spend the $20 and get a new set. Green . New Subwoofer Pop - Ford Truck Enthusiasts Forums . 3. could be your deck. Hope you can understand what I'm trying to say. The subwoofer will only reproduce the signal sent to it from the AVR (Audio Video Receiver). Answer: A subwoofer should not be making any type of noise when the amplifier turns on. Pink . 2. your RCAs are probably screwed. If your subwoofer (s) "thump" or "pop" when you are changing inputs on your receiver don't automatically blame the subwoofer. Electronics & Wearables. I'm not sure if the remote turn on wire would cause the pops described as that would be the power being cut off or not when the car isn't. However when I do start to turn the key, it does sound like the subwoofer is having air squeezed through it. the problem is actually the amplifier 90% of the time. Whenever the receiver loses the audio "codec" (signal) it should mute all of the pre-out jacks for a short period of time. Step 3; switch the AV receiver and the amplifier out. Other common causes are loose wire/connections, interference from your A/C, or just from trapped air in the subwoofer cone. . i'm running the xenon 100.4 and 400.1. i have a . The signal is still a clean signal, but now it is trying to . Let's say that points A and B (and +V1 and -V1) are the maximum ratings of our subwoofer. The subwoofer works well when receiving a signal from the receiver. 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. A pop noise is frequently heard when the gain setting on an amplifier is set too high. #1. we can discuss other options for that. Apr 21, 2008. there are 3 options. Audio . Before the engine start is 12.47v after the engine start 14.4v. The vibrations caused by the lower frequencies can jiggle out the connections, creating an interrupted circuit. Location: Subwoofer Box; Report; Share; Posted March 25, 2012. . 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!! I test all wire again, by remove the speaker wire, is green light before engine start and red light after engine . The RCA is not shielded and not OFC. Most commonly, it is because you have your subwoofer volume turned up too high, which causes a power spike from the amplifier. you can wire a relay to the remote wire, to fix this problem.. 2. make sure ur rca's arent pinched or around the ground. 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