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Subwoofer is producing the hissing sound

After switching on the power, subwoofer is producing the hissing sound, even with the bass/treble set to zero level and no sound input given. What's the problem ?

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Posted on Jan 02, 2017

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SOURCE: connect powered subwoofer

  • If your receiver has a dedicated subwoofer line level output, we recommend connecting your subwoofer to this jack. Most receivers will have just one (mono) subwoofer output, while quite a few subs require two inputs. You can use an RCA "Y" adapter cord , which is a cable with one female RCA jack at one end, and two male RCA plugs at the other. Some receivers require menu settings (such as "sub-on" or "front speakers-small") that must be made before the sub output will be active.

  • Posted on Jan 07, 2009

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    SOURCE: Left Speaker Stopped Working

    I think I had a similar problem. My speakers were brand new and after a while I lost my front left and rear left speaker. I'm not sure about you guys but after fiddling around with the settings it worked after I changed the "S/PDIFoutput sample rate" from 48 to 96 khz. I have no clue what I did, but it worked for me. I am running logitech something or rather speakers with VIA HD audio deck drivers

    Posted on Jan 29, 2009

    • 3 Answers

    SOURCE: quest subwoofer pops every 40 seconds or without

    Problem may be a blown internal amp module. Some JBL powered subs have this same problem, emiting a burst of noise from time to time even when no signal is being sent to them. I've tried fixing this problem before with only marginal success, even going so far as to install a small cooling fan inside the sub to control the overheating that can destroy these modules. If the module is blown, you can probably replace the whole sub for about what it would cost to repair it. Look into this carefully before you commit to a repair job.

    Posted on Nov 29, 2009

    • 1 Answer

    SOURCE: KLH ASW10-120 Subwoofer My KLH ASW10-120

    Did you ever find a solution for this problem? I have the exact same thing happening with my KLH subwoofer and I'd love to know how to fix it!

    Posted on Jan 26, 2010

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    1 Answer

    My powered subwoofer no longer works through the receiver


    if you have your front and centers set to 'small' you want your Bass out to be subwoofer only, and the rca jack labeled 'sub out' is the only place to connect your sub to if you want to control the frequencies with your reciever. I dont know the brand of your sub, or the inputs on the back of it to advise you where to connect, but it sounds like it worked for you at one time, but suddenly it does not

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    How do i find out what sound card my p.c is using? i'm on windows vista, and need to change the bass and treble level ?


    Most laptop sound card do not have a setting for bass and treble.
    You can use external powered speakers that have bass and treble settings and connect these speakers to the headphone socket on your laptop.

    Jun 26, 2012 | Computers & Internet

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    Does the alpine 9845rb have a clock display?



    yes it does see below

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    1 Answer

    It keeps turning off eventhough the back switch is turned on


    You need to determine if its a malfunction of the sub or just due to a loss of input. And is it always in response to, say, over-enthusiastic use?

    From the manual...

    TROUBLESHOOTING

    If you used the high-level (speaker) inputs and there is no sound from any of the

    speakers:

    • Check that receiver/amplifier is on and a source is playing.

    • Check that powered subwoofer is plugged into an active electrical outlet and is switched on.

    • Check all wires and connections between receiver/amplifier and speakers. Make sure all wires

    are connected. Make sure none of the speaker wires are frayed, cut or punctured.

    • Review proper operation of your receiver/amplifier.

    If there is low (or no) bass output:

    • Make sure the connections to the left and right "Speaker Inputs" have the correct polarity (+ and -).

    • Make sure that the subwoofer is plugged into an active electrical outlet and switched on.

    • Adjust the crossover point.

    • Flip the Phase Control switch to the opposite position.

    • If you are using a Dolby Digital/DTS receiver or processor, make sure that the

    subwoofer adjustments on the receiver/processor are set up correctly.

    • Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

    If you used the line-level inputs and there is no sound from the subwoofer:

    • Check that receiver/amplifier is on and a source is playing.

    • Check that powered subwoofer is plugged into an active electrical outlet and is switched on.

    • Check all wires and connections between receiver/amplifier and subwoofer.

    Make sure all wires are connected. Make sure none of the wires are frayed, cut or punctured.

    • Review proper operation of your receiver/amplifier.

    • Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

    • Make sure that you have configured your receiver/processor so that the subwoofer/LFE output is on.

    Mar 06, 2011 | JBL PB12 Subwoofer

    1 Answer

    Do i need subwoofer with power or without power and how to make subwoofer sound on ??? just send me simple setup please ? cheers


    Depends on your source and its amplifer complement. Some can drive a subwoofer directly while others just produce a Line Level subwoofedr output for use by a separate amp feeding a subwoofer or self-amplified sub.

    The setting up of the source to produce a subwoofer output is totally dependent on its design. Generally, you have to 1) tell it you have a sub, 2) define how bass will be routed or shared among your various speakers accordingto their bass-handling capacities, 3) using test tones, set the relative ludness and crossover settings so you have a uniform sound field.

    Name the electronics and get a better answer. Or refer to its manual.

    Feb 11, 2011 | Audio Players & Recorders

    1 Answer

    I think the subwoofer power light should be green when the bass is working and it stays red with very low bass output. Not sure if I blew speaker or if connections are off, seems to be subwoofer itself. ...


    If it makes any sound at all the speaker is probably not blown, the connections are probably on and the fuse is ok.

    You don't say to what it is attached and if the setup for bass/lfe managament settings produce the same or a different result than program material does.

    You also don't say how the sub is driven (speaker level or Line Level) and if it's a full-range or low-frequency-only input. All these things matter, as does your source electronics and its settings for bass management.

    Try setting the low-pass higher and the high-pass lower.

    The manuals would be a good place to start. Go to retrevo.com.

    Dec 23, 2010 | JBL PSW-D110 Speaker

    1 Answer

    It comes on but no base sound and wont turn up


    You have to fill in the details about what you're feeding it (the source and how IT's set up). It won't just >>create<< bass.

    From the manual:

    If you used the high-level (speaker) inputs and there
    is no sound from any of the speakers:
    • Check that receiver/amplifier is on and a source is playing.
    • Check that powered subwoofer is plugged into an active electrical outlet and is switched on.
    • Check all wires and connections between
    receiver/amplifier and speakers. Make sure all wires
    are connected. Make sure none of the speaker wires are
    frayed, cut or punctured.
    • Review proper operation of your receiver/amplifier.

    If there is low (or no) bass output:
    • Make sure the connections to the left and right “Speaker
    Inputs” have the correct polarity (+ and –).
    • Make sure that the subwoofer is plugged into an active electrical outlet and switched on.
    • Adjust the crossover point.
    • Flip the Phase Control switch to the opposite position.
    • If you are using a Dolby Digital/DTS receiver or processor, make sure that the subwoofer adjustments on the receiver/processor are set up correctly.
    • Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

    If you used the line-level inputs and there is no sound
    from the subwoofer:
    • Check that receiver/amplifier is on and a source is playing.
    • Check that powered subwoofer is plugged into an active electrical outlet and is switched on.
    • Check all wires and connections between receiver/amplifier and subwoofer. Make sure all wires are connected. Make sure none
    of the wires are frayed, cut or punctured.
    • Review proper operation of your receiver/amplifier.
    • Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.
    • Make sure that you have configured your receiver/processor so that the subwoofer/LFE output is on.

    Apr 07, 2010 | JBL PB12 Subwoofer

    1 Answer

    What duz level adjustment do


    Hello,

    The level control controls the input level coming from your head unit (receiver) to the amp.

    Your Sony users manual is a little vague on how to best adjust the level and other controls.

    Here is one method that some installers use and works well with most amps.

    Most 10" subs sound best between about 80-100hz and below, so start out by setting the LPF at about 80hz. The HPF will not be used. Next turn the bass boost and gain all the way down. Turn on the radio and set all tone controls, bass, midrange, treble to flat, usually "0" on most head units. Turn the volume up to approximately 3/4 volume level or just until you begin to hear distortion. Now, back the volume down until the distortion is gone. Next turn up the gain control on the amp until you hear the subs start to distort then back the gain down until the distortion disappears. Next turn the bass boost up again until the subs begin to distort, then either back the bass boost down or back the gain down until the distortion is gone. You may need to play around with the bass boost and gain controls to get exactly the sound you prefer.

    Hope this helps.

    Mar 28, 2009 | Sony Xplod 1100 Watt Max 10" Subwoofer,...

    1 Answer

    Low treble


    I suspect that the speaker levels need to be set. You connected everything right - many people would not have connected the sats via the bass section (which has their high pass crossover and overload protection). But I am betting the HSU is turned up a bit on the high side.

    Try this. Set all speakers to small, set all levels to 0. Play the receiver in stereo all mode. If the bass is strong, you need to turn the HSU down closer to a natural sound. Then use the speaker setup tone and adjust as needed.

    May 14, 2008 | Onkyo TX-SR304 Receiver

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