Subwoofer thumps when turning on. You need a muting relay system.

Subwoofer thumps when turning on. I would first try switching the sub to "ON" vs auto, and see if it goes away. automatically go into “standby mode” after 15-20 minutes with no. If still having issues, pick up a Y adapter and use both inputs on the sub amp. If you find that your home has no grounding losses and that the cable/isolation transformer does not resolve either, then the subwoofer's internal amplifier may need repaired or replaced. . Aug 3, 2010 · Yamama RXSL80 with sony speakers and sub connected. Feb 22, 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. When this switch is in the “OFF” position, the subwoofer will. It has an auto-on feature so it was normally left in that mode but because of the random thumps I've been turning it on and off as needed. 1 in the name means that the speakers come with a subwoofer. Disconnected all devices and speaker connections = no noise By disconnecting each speaker in turn (switching on and off in sequence) and a process of Feb 20, 2023 · Furthermore, you check the voltage supply by connecting the subwoofer with the battery and the multimeter simultaneously. Hooked Up Incorrectly. Jan 23, 2014 · I've got an older Velodyne subwoofer (VA-1512) that's been making spurious 'thumping' noises for a few months now. Subwoofer is not outputting any audio Solution: Check to see where the subwoofer is plugged into on the back of the receiver. I have an RCA cable running to the subwoofer, but even when not hooked up I still get the thumping. Since the Perreaux doesn't use a muting relay, thumps are possible, if the front end of the amp is not perfectly balanced. Replace any damaged cables and resecure any loose connections. They thump turning on and about 15-20 seconds after being shut off. Jun 30, 2022 · An active subwoofer might also result in a loud thumping sound. signal. In such cases, you gotta turn off the sub at first. 5 years old and I have never run into this before so I wouldn't expect there to be any issue but I do not know what is Jan 13, 2024 · Ensure the subwoofer is properly powered, is switched on, and volume adjusted properly. Within the last hour or so, I noticed that it started thumping at random intervals of roughly 30 seconds to 2 minutes; the main thump is preceded by a couple smaller thumps. When I start my car, the subs make a very strong thump sound for a second and then play as normal after. If that capacitor or really anything in that circuit is starting to go bad it will stop functioning correctly and you will start getting turn on Jul 11, 2021 · The problem can be heard in a video I recorded here — may need to turn volume up. Thanks for the ideas guys! I would like to purchase a sub in the $100-$200 range in the next month or so. Monoprice Shielded Cable. rallysport25 It's a Creative Labs, Inc. If its just an authoritative thump, s'all gravy. Only sometimes when I am sitting at idle (700-800RPM) will it thump. Whenever I turn on my car the bass goes off really loud for a solid 3 seconds and then turns off. Also, the engine RPM seems to affect the thumping; the somewhat common pattern (not always) is that when I rev pass ~1300RPM, the thumping would happen. By addressing phase issues, you can maximize your subwoofer’s potential and enhance your overall audio experience. Sep 6, 2011 · I have an old (15+ years) Velodyne 10" sub that I think was hit with a power surge. If you have had your subwoofer for a long time and used it often, the speaker may have become damaged or worn out. I just put a Pioneer AVH-1440NEX head unit in my '06 Limited to get CarPlay and a backup camera. Strangely everything seems fine in normal use. Oct 31, 2016 · A lot of DSP have the option to delay the remote turn on to the amplifiers - as mentioned turn on pops are much easier to solve. Then turn off the amplifier and then the power Jul 1, 2009 · Over the last week our subwoofer has been acting up. If Not, verify all your connections: power supply, subwoofer connections (if this is a 2. High powered solid state amplifiers generally come fitted with relay cct,s to protect the speakers from turn on thumps and in some cases additional protection from dc if an amplifier fails. Most things work well, but a few seconds after I turn the key on (and the head unit powers up) the sub "thumps" once--kind of like when you plug something into an amp that is already on. This is the first amp/sub install I have done so I do not have a lot of knowledge on the subject. In this situation the amp is causing switching noise internally which is transmitting to the sub. Don’t you hate it when your subwoofer’s enclosure causes sound quality issues? You’re not alone! Most amplifiers have built in circuitry to prevent turn on thumps. This can be caused due to various reasons linked to your amplifier. I tried turning off the HU and then turning off the ignition, but it still would pop even if the HU was off. If the sound fails to come out, the subwoofer may be experiencing a service issue and you may need to call your audio technician. Sep 1, 2002 · Each time I turn on my power amp, I hear a very disturbing noise like a big thump sound from the speakers. Otherwise, if you system has a selector switch for turning speakers on and off, try that. If you watch it, you will see the Power LED on the subwoofer turn off when this happens. At night, we are getting sporadic thumps/pops from the sub - will happen for a few minutes, then not for 4-5 mins, then happen again (it actually happens always - we Oct 6, 2012 · If you are concerned about turning on your receiver without the speakers connected you can configure a DPDT switch to toggle to your speaker hot line in one switch direction and a resistor in the other so the amp will always turn on into a load (100 ohms, 10W would probably do OK). it will delay turn on just long enough so the amp dosent amplify the pop. That'd be really inconvenient since it's in a corner, the switch is tiny, and it's on the back of the sub. Reset Your Speaker or Subwoofer Make sure the sub is plugged in, powered on and has a sub cable plugged into the LFE port on the back of the subwoofer; On the back of the sub, turn the gain knob up to at least 50-60% (about 12 or 1 o'clock on the dial) Do not plug the other end of that sub cable into your receiver or sub output I have an Onkyo HT-RC360 receiver with polk audio speakers, with the subwoofer being a PSW110. So 2. Changed the trunk ,got home and hooked up the sub and it was starting to make the thump noise,hearthbeating or how Nov 21, 2004 · I have a Pioneer VSX-D912K receiver which I have connected to a Hsu VTF-3R subwoofer through the receiver's subwoofer output. LG 55CX / Denon AVR-X2400H / Q Acoustic 2050's + 2000C + 2070S + 2020's / Sony BDP-S5200 (Region A) / Panasonic DP-UB450EB / Nvidia SHIELD 16Gb Even if the computer is turned off and/or the speakers are completely disconnected from the computer, as long as the speakers are connected to power and are on, they still make the thumping noise. I Hello, I’m having some problems with my sub woofer. Note: When you plug in these directional cables, make sure that the arrow is pointing towards the subwoofer, not the receiver. They'll usually come in bursts of 3-4 thumps (maybe 4-5 seconds apart), and then they'll stop for a random amount of time. Mar 7, 2023 · Hi, I have searched the site and see many issues of popping/thumping when turning on/off or switching inputs - this is not my issue. Also, a clipping amplifier could send distorted signals to the subwoofer, causing it to pop. Everything should be installed properly, but when I turn my car off (as in completelywith the keys out), my sub makes a low thumping noise. Sep 14, 2023 · This is usually caused by a problem with the AC power supply. Oct 3, 2007 · With some gear, simply turning the volume all the way down/off before powering on will suffice. The music sounds off where the bass is just wayyy too loud for the volume it’s at. I'll have to get another one and give it a shot. How to Fix a Car Subwoofer That Makes a Popping Noise? Follow the few steps below to troubleshoot this issue. This could happen if your subwoofer gets powered by itself. This is usually just a simple little circuit with a capacitor that takes a few seconds to charge and turns the amp on once charged. The miniDSP adds a 3 second delay to turn on - if your DSP and/or head unit do not offer such a feature they happen to sell a board with this circuit too; a miniDC power conditioner that does the same, has the added benefit of a clean dc-dc power supply and costs Nov 30, 2021 · Basically, when subwoofers start up, the capacitors in the amplifier charge up and are then able to be used in powering the woofer. At completely random times, the subwoofer will start to make thumping noises. It couldn't find the subwoofer. What can be going wrong ? Power amp is ROCSAN CASPIAN, PRE-AMP is AUDIOLAB 8000C. saketb said: Well as the title says, I wanted some insight on this thing. I need to clarify: Does the amp thump by itself? May 15, 2018 · Then I had to change trunk lid because it was too rusted out, but because of the subwoofer ,i wasnt able to place in it the trunk so I removed the sub, just the box ,left the + and - for the sub just in the trunk togheter with amp. You can also test your speaker by connecting it to some other sub or amp. Whenever I change audio inputs on the receiver, the subwoofer emits a loud thump. If the thumping occures in the headphones at this point, you may have a bad sound card. The bass limiter lets you limit low-frequency bass signals, protecting the speakers from loud and distorted sounds. I guess if it's super, super loud, bottoming out the driver okay but otherwise it's just a sound the speakers are making harmlessly. Eddie B. The amp is obviously defective. 1 setup), input etc. If the subwoofer is plugged into a surge protector, try plugging it directly into the wall outlet. Think old Adcom GFA amplifiers, for example. Jan 9, 2016 · A simple 555 timer and relay circuit delays the amplifiers from turning on allowing all the other components to power up before the amps/subs do. The speaker is damaged. The speakers and build is ~2. Make sure the line to the sub is away from any power cords or cable / Sat TV cables. To properly troubleshoot this problem, it is important to first understand the mechanics behind subwoofer pulsing. Turn the sub amp volume all the way down and start playing the source. It will. I have to un-plug from the back of the sub, and plug back in a few times and eventually it powers back on. #1. hope this helps. I thought maybe, it was due to some electrical interference, so bought a V-Guard Digi 200 and connected along with it. 1 2500 subwoofer with 2 speakers (of which I am only using the subwoofer). Apr 16, 2017 · Auto on on the subwooferIf the sub does not have auto on, then nevermind that part but you still shiuld keep the AVR sub trim close to 0 if it's not turning on at low volumes. It sounds almost like someone is hitting a pillow against the wall. I'm running a stock head unit, an audio control LC6i, connected to a zapco ref 500m, any help is appreciated. 1 means two speakers and a subwoofer. Consult a technician or manufacturer to get it repaired. remain “off” until the Feb 7, 2015 · Feb 5, 2015. DC offset at the output of your power amplifier, which is typically not nearly as loud of a thump (much more mild) as the spark/electric arc thump. Here’s Why Speakers Or Subwoofers Pop When You Turn the Car On or Off? You may have often noticed that a pop sound is heard from your speakers when you turn your car on and off. When the subwoofer goes into standby, the charge stored in the capacitors is discharged, usually causing the sub to "thump". Common Problem 7 – Enclosure Problems. This happens regardless of the inputs being switched from and to. Feb 23, 2015 · It didn't work, my sub still makes a pop when I turn off my car. I already have 4 pairs of rca cables in there ( 1 for front, 2 for rear, 1 for sub + i had 1 daisy chained channel for the front, which now makes my front speakers thump ) and my sides are completely full, they simply wont take the fifth pair Dec 30, 2012 · I hooked up all the speakers and the sub and ran MCACC. If your sub is getting enough power and connected properly but the thumping test fails, the sub is damaged. You should hear some thumping sound when you tap the other end of the audio cable. Aug 12, 2018 · After playing around with everything, I realized that it appears to have something to do with the power cord connection in the back of the sub. Loose or damaged cables can lead to signal loss or fluctuations, causing the subwoofer to turn off intermittently. Short-circuiting is a hard-to-detect issue. UPDATE: The bass boost will also do this. I make it a habit to do this with ALL my equipment, both when turning stuff on and when turning it off. But after a few thumps from a movie or music, it turns off again. Then, turn down your subwoofer volume to where you can still hear the bass, but it isn’t pulsating. A 5. A subwoofer is designed to reproduce low-frequency sound waves, typically below 150Hz. leave your speakers on but disconected from the computer, if thumping still occures its entirely the speakers. You’ll only see it once you turn on the amp, but you don’t get any sound from the sub. Jan 18, 2010 · As for the cord, that's a good idea to check. Rather than buying a new sub, I decided to replace the power supply and amp since one of those is Jul 18, 2011 · Yes, you have understood everything correctly, however - i have 2x4 channel amps + 1 mono amp for sub. Jul 5, 2023 · Setting an incorrect bass limiter on the receiver can affect the subwoofer’s auto-turn-on feature (Technically, your subwoofer is a turn-on, but the limiter has disrupted its functionality). My Polk Audio DSW PRO 550 makes a loud thumping noise (like subwoofers do) whenever the power is switched on. Then bring the sub amp volume up until you can hear the music. 11. If this does not fix the problem, the subwoofer may need to be replaced. You need a muting relay system. Some subwoofers have a built-in amp which is why it gets powered and creates a loud noise if you shut off the amplifier. Sep 18, 2024 · If the car stereo receiver or amplifier gets too hot, it can cause the subwoofer to make a popping noise. Inspire 2. A bad connection in these wires can cause high voltage spikes that damage speakers when they turn on or off. Dec 3, 2023 · Your subwoofer will give a thumping sound. A “pop” or “thump” typically indicates that a DC step has been applied to the speaker cone. Parts linked in the description below!Watch a tutorial on how to prevent the notorious turn on "thump" or "pop" in the speakers when an aftermarket radio has Jan 21, 2024 · Subwoofer thumping when turning it off can be an annoying experience, but with a proper understanding of the potential causes and effective troubleshooting techniques, you can address the issue and enjoy uninterrupted, high-quality audio. If this doesn’t work, lower your crossover frequency to 80 or 90 Hz and adjust the volume accordingly. Solution: Make sure that the subwoofer, or "sub out", channel is enabled/active within the receiver settings. Check Your Amps Capacitor: Sometimes, the problem doesn’t lie with the subwoofer; the amplifier can also be a problem that makes the subwoofer produce a thumping sound. I'm using a cable I purchased from bestbuy that I believe was labeled "subwoofer cable" it has 2 male purple ends. When & only when first switched on there is a pop noise from one of the speakers. I simply stuck one end into sub pre-out 1 and one into LFE. The subwoofer is not called a speaker from a technical standpoint so it is called 0. If you connect the turn on delay unit between the remote wire, the deck will turn on first and the amp will turn on after the deck thumps so the thump won't be amplified. IT is possible that some parts of the amp have drifted out of spec, thus causing the thump. 1 is five speakers and a subwoofer. My concern is potential damage to my speakers. Jul 27, 2024 · A subwoofer pulsing, also known as subwoofer thumping, is a common issue that many audio enthusiasts experience. May 11, 2023 · Play with the distance setting to the sub, or move the sub or mains to new locations. The thump is the amp turning on and off. it will boost ANY meaninful frequency. subwoofer will automatically turn “on” when it senses a signal. The sub works fine but when it powers on or any time the signal to the sub gets interrupted (changing inputs) I get a loud thump but otherwise sounds great. 6. #2. May 28, 2022 · From owner's manual: Off/Auto/On – When this switch is in the “ON/AUTO” position, the. Dec 27, 2012 · When the receiver is turned off that impedance can become quite high, and functionally speaking that can turn the signal cable going to the sub into an antenna, capable of transmitting RFI and/or EMI into the sub amp; that could make the auto function turn on as well. The amp uses output transformers which supposedly prevent DC from reaching the speakers, but I wonder if that holds true even for a clearly defective unit. Also when i turn my radio off it’ll do the same sound but it’ll keep going until I turn the radio back on? I recently installed a dual 8” skar sub box into my car from tapping into the rear right door speaker. Ensure you connect these wires carefully to avoid the car subwoofer popping noise. Oct 30, 2021 · Are your subs making a loud thump or an irregular noise when you are turning them off? You may want to check a few things out, being that their could be some Sep 3, 2012 · Power supply thumps are usually due DC offset running through the amp to the speaker while the power and amp circuits are powering up. It needs to be plugged into a dedicated subwoofer, or "sub out", channel. May 8, 2017 · The only thing you can do is to have a time delay relay added to the system, to mute the speakers until the amplifier stabilises. Apr 7, 2013 · Originally Posted by just jim /t/1467210/popping-sound-from-sub-when-turning-on-ceiling-fans#post_23203280 Maybe partly off topic This is a question for Ethan. tl;dr sub "thumps" when my computer turns on, sleeps, or shuts down. Normally, there's a relay (muting or speaker relay) which keeps the speaker from the amp till it stabilizes - usually about 5-10 seconds. Increase the bass frequency by turning up the crossover and turning down the subwoofer volume by 20% to see if the heartbeat is gone. Jan 21, 2024 · Check the cables: Ensure that all the audio cables connecting the subwoofer to the audio source or amplifier are securely plugged in. Oct 17, 2007 · Buy a remote turn on delay box on ebay. 8. Whenever I turn my subwoofer on, I get a thumping noise (in a rhythym like a heartbeat, volume is steady regardless of what I turn the volume to). If there is still not sound, it may indicate that the wires are burned, and no electrical signal is being conveyed to the sub. I'm My F12 subwoofer went bad after its 5-year warranty was up. 9. The 0. If you have DC Offset voltage issues, the addition of an output relay with a delay will eliminate the thump sound on power up. Feb 9, 2008 · If a sub thumps when it is switched on then it just doesn't have a soft start feature, the delay between turn on and output that is there to allow the amp/power supply within the sub to stabilise. Mar 21, 2016 · 3. Looking for a way to stop that other than only turning on the sub after the computer is awake and always turning it off before shutting down. 1. Turn off the stereo receiver. If your subwoofer is making a buzzing sound, you will most likely need to fix your subwoofer’s voice coil. Take your time to check the capacitors. depending on how cables are ran it can pick up signals, or even if you have a sub par head unit it can send out static even when its starting up or turning off Jan 12, 2009 · my subs type r 12 make a noise whenever i turn my car of or on its always 2 second laters and u hear a loud boom like it hits one note two time ina row Nov 4, 2003 · If I turn the volume on the sub down it makes it less noticable and if I turn down the crossover just a tiny bit the thumping stops but have no clue what is wrong so would appreciate some insight. To rule out a short circuit, try connecting your sub with another amp. Jul 2, 2008 · Just installed my new eD sub (the one on clearance) and BA1300 amp. Oct 20, 2017 · The interval between the thumps is constant but it appears to only happen when the car is running. Apr 5, 2017 · First off: A surge limiter won't help (much). Nov 30, 2007 · wire the amp turn on wire to a 12v relay and use the relay to turn on the amp and the amp turn on to turn on the relay. When I set it to yes anyway it said it was turned too low. Most likely the amp is turning on right before the head unit so it is hearing the turn on thump of the deck. If it goes away, it is likely there is some noise in your connection to the sub that is tripping the auto on feature. iux xeiy uki cusxy wbw wrvl kede jhkv kars zhtypc