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Car Forum / Driving, Maintenance, Tuning / Car Audio / September 2004Cellphone feedback through sub
I have had two conflicting opinions on this issue. My cellphone causes feedback through my subwoofer. The phone is a hand held phone (not installed in the vehicle). My car audio dealership has never heard of this happening before. They tested the truck with my cellphone and heard the feedback. They used two other phones (different models than mine) and did not hear any feedback. They tell me that it is a problem with my phone and that I should get it checked before I start growing some sort of tumour. On the other hand, the cell dealership says that it is a common problem and that there is not much that can be done about it. I realize that all phones emit EMR, but it is a little disconcerting to hear it rattle my sub. Plus, it is inconvenient to have to turn the stereo off each time I want to use my cell. Try answering the phone, fighting with the kids, eating a Big Mac, plucking your nose hair, driving AND turning the stereo off. It's getting a little dangerous. I suspect the cell phone guys are correct, but a little reassurance by a disinterested 3rd party would be nice. Also, any solutions to the feedback problem would be appreciated. Thanks in advance. > I realize that all phones emit EMR, but it is a little disconcerting to > hear it rattle my sub. Plus, it is inconvenient to have to turn the stereo > off each time I want to use my cell. Try answering the phone, fighting > with the kids, eating a Big Mac, plucking your nose hair, driving AND > turning the stereo off. It's getting a little dangerous. How about this... don't talk on your phone while driving. It's safer for everyone that way. >> I realize that all phones emit EMR, but it is a little disconcerting to >> hear it rattle my sub. Plus, it is inconvenient to have to turn the [quoted text clipped - 5 lines] > How about this... don't talk on your phone while driving. It's safer for > everyone that way. How bout this geneious (Chris) The phone emits signal when it rings (can't help than now can he) or when it updates status or handshakes with a new cell, Hmmmmmm. Chad > >> I realize that all phones emit EMR, but it is a little disconcerting to > >> hear it rattle my sub. Plus, it is inconvenient to have to turn the [quoted text clipped - 8 lines] > How bout this geneious (Chris) The phone emits signal when it rings (can't > help than now can he) Sure he can. Put th phone in vibrate mode and it doesn't ring. Oh, and thanks for calling me a geneious [sic], but I don't really deserve it. > or when it updates status or handshakes with a new > cell, Hmmmmmm. Neither of which would last long enough to worry about. >> >> I realize that all phones emit EMR, but it is a little disconcerting >> >> to [quoted text clipped - 15 lines] > Sure he can. Put th phone in vibrate mode and it doesn't ring. Oh, and > thanks for calling me a geneious [sic], but I don't really deserve it. Uh, it's the RF that's causing the noise in the system not the ringer, it will still transmit RF back to the repeater and cause the ticking / honking sound if the ringer is off. >> or when it updates status or handshakes with a new >> cell, Hmmmmmm. > > Neither of which would last long enough to worry about. About 3 seconds per handshake, and if the RFI is severe enough can actually be quite loud and disturbing. Just depends on the RF rejection of the system. Chad > I realize that all phones emit EMR, but it is a little disconcerting to > hear it rattle my sub. Plus, it is inconvenient to have to turn the stereo > off each time I want to use my cell. Try answering the phone, fighting > with the kids, eating a Big Mac, plucking your nose hair, driving AND > turning the stereo off. It's getting a little dangerous. Paying attention to the road should be a little higher on that list.  Signaturecyrus *coughcasaucedoprodigynetcough* >> I realize that all phones emit EMR, but it is a little disconcerting >> to hear it rattle my sub. Plus, it is inconvenient to have to turn [quoted text clipped - 4 lines] > > Paying attention to the road should be a little higher on that list. Maybe contraception should have been higher on your parents' list. Surely even a duncical person like you can recognize sarcasm. > >> I realize that all phones emit EMR, but it is a little disconcerting > >> to hear it rattle my sub. Plus, it is inconvenient to have to turn [quoted text clipped - 7 lines] > Maybe contraception should have been higher on your parents' list. Surely > even a duncical person like you can recognize sarcasm. The sexual habits of my parents or your supposed sarcasm have no place here. And especially have nothing to do with your cell phone probs, big macs or nose hairs. If its only your phone that makes the noise in your subs, then your phone is the problem smart guy. Signaturecyrus *coughcasaucedoprodigynetcough* >> >> I realize that all phones emit EMR, but it is a little >> >> disconcerting to hear it rattle my sub. Plus, it is inconvenient [quoted text clipped - 15 lines] > If its only your phone that makes the noise in your subs, then your > phone is the problem smart guy. Man, you're a bundle of laughs. Sorry if I upset you. > >> >> I realize that all phones emit EMR, but it is a little > >> >> disconcerting to hear it rattle my sub. Plus, it is inconvenient [quoted text clipped - 17 lines] > > Man, you're a bundle of laughs. Sorry if I upset you. Thank you and no problem. Signaturecyrus *coughcasaucedoprodigynetcough* > I realize that all phones emit EMR, but it is a little disconcerting to > hear it rattle my sub. Plus, it is inconvenient to have to turn the stereo [quoted text clipped - 7 lines] > > Thanks in advance. Why dont' you wire in a switch for the remote line for the sub amp? Or maybe your gains are set improperly? I get a buzz through my computer speakers when my phone is receiving a call, if that makes you feel better about you not being the only one. -Bruce A friend of mine's cell phone also makes her computer speakers go nuts whenever she recieves a call. >> I realize that all phones emit EMR, but it is a little disconcerting to >> hear it rattle my sub. Plus, it is inconvenient to have to turn the [quoted text clipped - 16 lines] > > -Bruce "Bruce Chang" <bechang@swspambegonebell.net> wrote in news:2P_3d.205 $q67.187@newssvr11.news.prodigy.com: >> I realize that all phones emit EMR, but it is a little disconcerting to >> hear it rattle my sub. Plus, it is inconvenient to have to turn the [quoted text clipped - 16 lines] > > -Bruce Thanks for the helpful response. Some people have no sense of humour. > "Bruce Chang" <bechang@swspambegonebell.net> wrote in news:2P_3d.205 > $q67.187@newssvr11.news.prodigy.com: [quoted text clipped - 21 lines] > > Thanks for the helpful response. Some people have no sense of humour. I figured since your name isn't Vishnu, you had to be kidding. Though I thought it'd be funny if you were posting for your wife. Plucking your nose hair.. lol. > "Bruce Chang" <bechang@swspambegonebell.net> wrote in news:2P_3d.205 > $q67.187@newssvr11.news.prodigy.com: [quoted text clipped - 21 lines] > > Thanks for the helpful response. Some people have no sense of humour. Neil, Do you set the phone in the middle of the front seat next to you? Where does your signal wire run? Mine ran down the transmission hump and yes it caused an awful racket. Relocating the line level signal to a door jamb solved the problem. I am a live sound engineer and back in the day I used to sit my old analog phone on the master section of the mixing console, good clock and I knew when someone called, no big deal. The big deal came when I got a GMRS phone and played the same trick. You think that your computer or car system makes and awful racket? You should hear that through 100Kw of EAW/Crown. Needless to say The phone no longer resides on the master section!!!! Chad >> "Bruce Chang" <bechang@swspambegonebell.net> wrote in news:2P_3d.205 >> $q67.187@newssvr11.news.prodigy.com: [quoted text clipped - 42 lines] > > Chad Now that would be something to hear! Actually, I do keep the phone in the center console and the signal wire runs up the middle to. I will try to reroute it, 'cause that makes sense. Thanks for the advice. Neil Common problem if it's a Nextel. >I have had two conflicting opinions on this issue. My cellphone causes > feedback through my subwoofer. The phone is a hand held phone (not [quoted text clipped - 23 lines] > > Thanks in advance. > I suspect the cell phone guys are correct, but a little reassurance by a > disinterested 3rd party would be nice. Also, any solutions to the feedback > problem would be appreciated. > > Thanks in advance. My phone does it in the car, in the PA system if it's to close, through my guitar amp (sounds really odd when playing with the Phaser pedal). Basically if I get too close to electronic equipment, especially cheap equipment, then it will do it. All of these devices have to accept interference, harmful or not, so I wouldn't worry about it. I know several people who have the same problem. Les >> I suspect the cell phone guys are correct, but a little reassurance >> by a disinterested 3rd party would be nice. Also, any solutions to [quoted text clipped - 14 lines] > > Les Thanks, I had a feeling that was the case, but it is reassuring to know my phone's no more dangerous than average (unless it is used while driving) > I have had two conflicting opinions on this issue. My cellphone causes > feedback through my subwoofer. The phone is a hand held phone (not > installed in the vehicle). my phone used to cause said interference on the pa at the cafe/bar i can usually be found kicking around in. i haven't had any lumps big enough to warrant surgery yet. jeremy <jeremy@get.com> wrote in news:4153e910$1_1@mk-nntp- 2.news.uk.tiscali.com: >> I have had two conflicting opinions on this issue. My cellphone causes >> feedback through my subwoofer. The phone is a hand held phone (not >> installed in the vehicle). > my phone used to cause said interference on the pa at the cafe/bar i can > usually be found kicking around in. i haven't had any lumps big enough > to warrant surgery yet. I've resorted to keeping my phone in my y-fronts. Bigger's always better. |
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