subwoofer thumps when turning on
As a result, I dont get any bass when watching a movie through my home theater system. Of course, whenever I turn off from Windows XP ("Start" > "Turn Off Computer" > "Turn Off"), the … it didn’t help me. ... /protection circuits that delayed the power up until voltages in the power supply settled and this helped eliminate thumps. Normally a subwoofer amp may shut down due to thermal protection (keeps the amplifier from overheating and destroying itself). any help would be appreciated. Unfortunately, sometimes the cause of a humming subwoofer is simply the subwoofer itself. People have told me it could be my voice coil or i need to put a filter on my port! I'm loving them so far. When the amp is switched off, it automatically shuts off power to the other components. I got it checked out by a local retailer and the fuse had blown. It seams Charles Harris has the closest answer. In Reply to: RE: Why do subwoofers thump when turning on power amp? If this is the case, set the Power Save switch to the OFF position to prevent the subwoofer from turning off by itself. This site uses Akismet to reduce spam. Well today I decided to upgrade my headunit with a DEH-P6000ub pioneer. I've got a 6 year old JBL 10" subwoofer (home theater sub, not a sub for a car) that has suddenly taken to making a constant rhythmic knocking sound, even when not in … If i put my hand over the port the noise dissapates almost 100%! It sounds almost like someone is hitting a pillow against the wall. 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. Set the volume on the back of the active subwoofer to the middle position. Otherwise its possible if your sub has an auto on function it may not have been sent enough power to turn on the auto on function. Anyway, back to the basics first. however, during … I noticed whenever I carry my phone and get within 5-6 feet of my sub it thumps even with the rest of the equipment off. It's a great feature -- in my case it saves about 70 watts compared to the old powerstrip. The most mystifying is why a surround sound system is set up and then the subwoofer turns off and you can't figure out why no sound is being produced. An RCA ground isolator is available from Radio Shack for like $15. These are the correct inputs and outputs, respectively, to use when connecting a subwoofer to an A/V receiver line-level. I have a Dell 5650 5.1 Speakers with subwoofer hooked to the Creative SoundBlaster X-Fi XtremeMusic soundcard in my computer. Page 14: Set Subwoofer to 'on' not to 'plus'. Some subwoofers will turn off after a while if you do this though. He drove it in circles, took the wheel apart, checked an axle boot that he replaced on it last summer, checked the axle. Any audio reproduction device that runs off of our regular AC power has got to tame that 60-cycle noise in the power supply, convert it to nice level DC voltages, and protect the audio circuitry from the power supply sufficiently to prevent hum from getting from the power supply into the signal … At completely random times, the subwoofer will start to make thumping noises. First off: A surge limiter won't help (much). Please help! It had been going on for weeks when I finally I took it to the mechanic, and of course he couldn’t hear a thing. Then slowly turn up the subwoofer amp's gain until the bass sounds balanced with the rest of the music. Hey yall Wondering if anyone can help me diagnose this: I just got a used Gallien-Krueger 400RB bass amp head (older small-box version) off Ebay. I have built power amps and have used a relay to eliminate the ON-OFF thumps in the speaker, which is not good for the speaker, btw. Whenever I change inputs on the amp, or sound switches from stereo to DD5.1 ie when selecting options from a DVD main menu, the sub 'thumps' as it's changing over. If it's not either of those, then it needs service. I don't know which model sub, but it do know some subs have an "auto" setting to turn the amp on and off. The easy way to block the noise is by attaching a delaying speaker relay to the output of your amplifier. I just hooked up a new power strip to my home entertainment center. Car Audio Discussion. I have my speakers in my bedroom, and … The thump is the amp turning on and off. So, turn off your tv, and the power strip cuts power to your subwoofer as well. Always follow the proper turn on and turn off procedure. If a plug's prongs slip out halfway—it's often enough to prevent the flow of power— gently bend them so the cable will stay connected after you let go. This topic contains 13 replies, has 4 voices, and was last updated by Lorrin Barth 6 … Username: Eb5338 Post Number: 1 Registered: Mar-07: Posted on Saturday, March 10, 2007 - 13:34 GMT . subwoofer pops when turned off - My subwoofer pops when I turn off the car, but not when I turn it on. Some equipment even when off or in standby mode will pass through a signal. You have to add this yourself. The posted circuit is almost simple, and will give you 5 seconds of delay to turn on the output of your amplifier. Random thumping of subwoofers! why does my subwoofer "thump" when I turn off my car. Identifying the LED Indicator status on Subwoofer/Surround Sound Speakers Last Update date : Nov 20. Of course, whenever I turn off from Windows XP ("Start" > "Turn Off Computer" > "Turn Off"), the … http://www.polkaudio.com/psw505-black/d/1179. Thing is when I first installed the sub a couple of years ago it never used to thump, cannot for the life of me think what's started it & it's driving me nuts trying to watch things at night without disturbing people. Everytime I turn it on, it makes a loud thump in the speakers, and an even louder one when I turn it off. ok, i just got my brand new logitech z-5500 and i love it. Start the volume low and gradually increase it to determine if the subwoofer is working correctly. Make sure the line to the sub is away from any power cords or cable / Sat TV cables. Ethan. If your subwoofer(s) "thump" or "pop" when you are changing inputs on your receiver don't automatically blame the subwoofer. Thread starter dredey; Start date Jan 12, 2009; Forums. A piece of equipment upstream of the sub could be producing a slight hum or have a ground loop, even when "off" / standby. I replaced one of the IC TPS54334DDA (Had to order it from digi key and purchased a solder iron from home deport) and the subwoofer is now in working condition. I have a question regarding my TDA7492P. My concern would still be within your present subwoofer and power supply though.. This is a long shot though and I still think the receiver is the problem. Subwoofer pops when turning off.. They are the same loudness regardless of what the volume is set to. About 8 seconds after turning my car on or starting the electrical system, my subwoofer makes a popping noise, and then everything works fine. You could have some noise in that line that occasionally triggers the amp to turn on and later turn off, or if there is a sensitivity setting for the audio signal it is set to low. There is no relay in your amp. If it's not lit, check that the subwoofer is securely plugged into a wall socket, surge protector, or power strip. Hi all, I'm new to speakers; just got a Swans M10 2.1 set just a few days ago. I have a Monitor Audio Vector VW8 subwoofer. “Thump” or pop noise is an annoyance when you turn your audio amplifier on/off, you can’t do much to stop the pop sound like adding more filter caps..etc. So i bought a new cable .. Oehlbach Nf subwoofer cable. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › thudding noise when turning wheel to right. My 2003 Subaru (about 14 years old, 165K mi) started making a thumping/clicking noise only when I turn right. When I turn the car off I get the same thing but this time there's 3 quick thumps after I … From what I know, the 5.1 subwoofer has a power supply of its own, where it is not dependent on the power supply from the computer. When connected a powered subwoofer should be perfectly quiet, unless being driven. He said that the brakes squeak, but … Very strange and annoying. i checked the ground wire and its not that, its only when the car is in motion, every time i pull over and get out it starts playing. Just saying! It was a 2.5 second dela but it still thumps after it turns on with the delay. Learn how your comment data is processed. Sometimes it's only 1 thump... sometimes you'll get 8. It sounds almost like someone is hitting a pillow against the wall. No more sounds and you didnt need to buy a new subwoofer!! To run a car subwoofer properly, air must be moved through it frequently. I received it today. piquat: I have the PSW505 Sub-woofer. So I am attempting to make a circuit using what I have on hand to usethe thump to turn on the speaker. Convert a Boston TVee model 20 wireless subwoofer amp to RCA: Can I connect 2018 Samsung tv to soundbar or subwoofer wirelessly: Not working sub in music and movies. It really depends on how drastic the thump is. Thanks for your comment. Replaced the fuse and everything seemed ok. Now the issue is the subwoofer keeps turning itself off. i noticed it was set to -10 DB ... so i switched it up to 0 DB , but stil no luck. Hi, I just hooked up a Velodyne sub to my Integra DTR-5.4 A/V receiver. I've had my system in my car for over a year and it just started making random thumping noises from the subwoofers. Run your remote bass boost or level control up and down a little to hear what it does. Your subwoofer may make a loud thud sound when switching on/off from the power point when in auto/on mode. IT is possible that some parts of the amp have drifted out of spec, thus causing the thump. I have a question regarding my TDA7492P. I ran the MCACC again... checked the setting...i thought , maybe the volume was to low on the woofer. Most subwoofers have a "standby" LED that glows to indicate active power. Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on WhatsApp (Opens in new window). Here is a circuit that i designed for my 5.1 amplifier, because i was having trouble of a very loud “DUPP” sound through my subwoofer everytime when i turn the amp on. They are the Definitive Technology Procinema 60.6. Posted by tketcham on April 13, 2017 at 05:40:22 . Left Pic: JL f110 subwoofer backpanel ; Right Pic: Denon AVR-4311CI backpanel See the circled "left/mono" input on the JLf110 subwoofer and the highlighted subwoofer out "sw1" on the Denon AVR-4311CI receiver backpanels. TDA7492P - Loud thumps when turning on/off. I have a Dell MMS 5650 5.1 Speakers with subwoofer attached to Creative SoundBlaster X-Fi XtremeMusic in my computer. A subwoofer thumping on turnoff shouldn't be an issue. My JBL SUB160 when powered on just THUMPS every 2 seconds when in standby or on even with the Speaker disconnected from the Receiver. I'm loving them so far. TDA7492P - Loud thumps when turning on/off. It's a different listening mood when I use the Swans when compared to using my Senn HD580's. Amps ON LAST and OFF FIRST. The easy way to block the noise is by attaching a delaying speaker relay to the output of your amplifier Turn up the receiver's volume to its maximum, distortion-free position. 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. Everytime I turn it on, it makes a loud thump in the speakers, and an even louder one when I turn it off. You could try turning up the subwoofer trim level (that +4dB setting) to its maximum on the receiver and then turning the volume knob on the subwoofer itself down to compensate. If you want to get involved, click one of these buttons! It doesn't even automatically turn on, there is no on/off switch on the sub. I just installed a different h.u. It didn't do this with my other h.u. From what I know, the 5.1 subwoofer has a power supply of its own, where it is not dependent on the power supply from the computer. Subwoofer placement is critical for getting the best sound output from a home theater. In the system I have in my office, I have an older Velodyne sub (I believe it's a CHT-10), connected to an Onkyo TX-SR700. As an added bonus, its a real surge suppressor with a $50,000 (i think) equipment warranty, and coaxial cable surge protection. Powered Subwoofer Connection to New Receiver: Subwoofer wont work on movies: Harman Kardon Bds 5 subwoofer: Solved! The sub is set to come on automatically when a signal is detected. OK so i installed a decent alpine 10 inch type s with an alpine amp and it worked flawlessly for 2 months, but recently i have been driving down the road and it just shuts off and it will come back on in a couple minutes. bountyhunter has given some valid advice. Note: C1 and R1 decide the time to turn the relay on, i used 47uf for C1 And 100k for R1 to get 5 Seconds, you can change the value of C1 for different timings and the output (to speaker) of your amplifier must be connected to relay and relay’s output should connect to speaker. So, it is important to know whether the subwoofer should be placed on the floor, which is the most convenient option.If not, can a subwoofer be placed up high on … unplug the subs and turn the headunit on. It's a different listening mood when I use the Swans when compared to using my Senn HD580's. Dec 13, 2008 #1 I seem to have a problem here. Any issue with the cone can cause it to turn on and off again and again. Basically I was thinking the would be thump would trigger the relays and turn on the amp to sub lines preventing the thump. It is often triggered by the audio input connection to the sub. if the amp is tripping it will cause this to happen. Turning off stereo stops thumping sound. The sub is on standby at the time. Verify connections, turn on the subwoofer, and set the volume. When I turn on the receiver, the subwoofer gives a loud THUMP! Hey! The auto-on circuit on the sub could be damaged or malfunctioning. I just installed a different h.u. Page 15: Set Subwoofer to 'on'. These thumps are scary loud and very annoying. The steps to check which possibility is occurring are quick and easy. Subwoofer connected to PC pops/thumps when turns on or off Not sure if this is the right sub to ask, but I'm hoping someone here has some experience with this. why does my subwoofer "thump" when I turn off my car. Good luck! it didn’t help me. The subwoofer contains a cone, which has a diameter of about 9 inches to about 20 inches. to a technics sa-g67 receiver to get signal to turn sub on: active sub wont turn on When it thumps, display on stereo flashes. “ Thump ” or pop noise is an annoyance when you turn your audio amplifier on/off, you can’t do much to stop the pop sound like adding more filter caps..etc. Check the remote wire first off. It's hooked up from the subwoofer "out" on the receiver. posted by John Elison on April 13, 2017 at 02:15:04: Hi all, I'm new to speakers; just got a Swans M10 2.1 set just a few days ago. It looks like you're new here. Hey! 2020 Get a better understanding of your Subwoofer and Surround Sound Speaker's status lights by viewing these informational chart below: When my sub puts out loud bass it makes a thumping noise through the port! BTW it is a home made sub enclosure but all the corners and imputs have been … Thumping in the water pipes is known as water hammer, and it happens when water, which is incompressible, changes direction suddenly. The front speakers, center speaker, and surround speakers work, but my receiver (Pioneer VSX-522-K) can't detect my subwoofer. and now my sub thumps when I turn off my car. After installing the HU, I got a horrible thump from my subwoofers when I turned the HU off/on. That should do it. When everything is off (except the subwoofer), out of the blue, the unit begins to emit a series of thumping noises from the bottom, which resonate on the floor. Yup, brickin it, Is there any other way to go? RE: Why do subwoofers thump when turning on power amp? In that case, you will need to purchase an active subwoofer. I have a refurbished Harman Kardon AVR 430 and I have a KLH subwoofer plugged into it. I have just bought a new AV Receiver, and when calibrating the speakers noticed the sub woofer was not working. Subwoofer pops when turning on/off . New member. A common problem people face with their home theater systems is the subwoofer setup. There is a single connection cable from the receiver to the subwoofer, as per manual instructions. With the subwoofer disconnected, I noticed that I get a faint blip from the surround closest to the subwoofer when I flip the switch. The subwoofer may have an energy-saving feature that powers the amplifier off if there is not a signal after a specified amount of time. Whenever i turn off the subs in my HT system there is always a popping sound coming from all of them. I'm back again with another question, I thought I got everything wired up correctly, but the first time I went to turn on my car and test out my new subs I got a loud thump and then no output with music. any help would be appreciated. Also, if I turn off the sub amp while it's still receiving a signal it doesn't pop. 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. While this "thud" is safe for your subwoofer, if you do want to turn off from the power point please switch subwoofer to "off" position to minimise this sound. Then it is fine. thudding noise when turning wheel to right. tl;dr sub "thumps" when my computer turns on, sleeps, or shuts down. From your description I assume you connected similar to Figure 8 in the manual, either to the Line IN or LFE in with an RCA cable. ... the problem is too much electrical noise near the sub woofer and the wires are working as antenna that keeps turning the sub on. and now my sub thumps when I turn off my car. Even a battery power supply - the energy is in the batteries. I used a proper speaker cable. The subwoofer will only reproduce the signal sent to it from the AVR(Audio Video Receiver). when you put the … In this situation the amp is causing switching … A car subwoofer usually produces the sound having a frequency of about 20 hertz to around 200 hertz. Hello, I got brand new 5.1 speakers. This has only happened with this amp/sub combo, and I haven't really done anything to … This won't stop transients, but it minimizes their effect. Set speakers to small and try the 150hz setting for the crossover, just to be on the safe side. You're most likely to hear banging pipes when the water is turned off, and it can happen near water-using appliances, such as washing machines and toilets, when the automatic fill valve shuts off. It can be really disappointing It didn't do this with my other h.u. Check the volume level on the subwoofer and receiver or amplifier before sending any audio input. the sound is brilliant and the bass is loud, clear and distortion free. The subwoofer's auto on/always-on circuit could also be misbehaving, and even if set to "always on", if it senses ANY tiny/slight variation in the signal from the receiver, it may think the receiver is being turned on or turned off. Any ideas? subwoofer makin noise when i turn on car! Page 10: Connect the sub via the 'Subwoofer preout' connector. ... For example, when put into reverse to parallel park, when initially rolling backwards, and turning the wheel, there is a THUMP. Woofers and subwoofers operate within different frequencies that are audible and inaudible respectively, by just turning up your bass, you're likely going to do more harm than good both to your equipment and your eardrums by completely … The thumping could be the result of some noise/interference that the sub is receiving. A good rule of thumb is to turn the volume down before turning off any equipment. I plugged it in through an cabinet loaded with an 8ohm 200 watt 15 speaker. At completely random times, the subwoofer will start to make thumping noises. These can transfer noise into the cable. I've done some searching and found some info on delay circuits that keep the signal source on for a second or so If the subwoofer does not have a power cord, then it is a passive subwoofer. If your subwoofer isn't turning on, there's really only three possibilities. still nothing , so i bought another cable of Monster subwoofer 400 sw cable. Hide sidebar Show sidebar Thread starter jazzisnumberone; Start date Dec 13, 2008; J. jazzisnumberone Audioholic Intern. My new Polk Audio sub woofer seems to have a life of its own. Car Audio Car Forums . Question Subwoofer turning on when i touch diaphragm: Question Subwoofer Not Turning On: Chewin vega powered subwoofer home problems with turning red and green with poping sound: To hook up a Sony powered subwoofer s.a.w. its starting to piss me off does … Whenever the receiver loses the audio "codec"(signal) it should mute all of the pre-out jacks for a sho