Question about Panasonic SC-AK78 CD Shelf System

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VOICE how do i get the system to bring the singers voice up when playing cds. no matter how low or high the volume or if i turn off the woofers you just can hear the singer sang. i have tried everything on this system trying to get results.help!!!!!!!!!!

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Make sure the surround is off. Also, there is a setting on the remote that changes the volume on certain speakers. I think its 'CH.SELECT'. Just lower the front speaker and raise the center channel.

Posted on Jun 07, 2008

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Why does our subwoofer all of a sudden start to buzz when we turn on our stereo/home theatre system on?


Well if it buzzes only for a couple minutes after turn on then it could be when the woofer starts pumping it produces pressure in the cabinet which creates a bonding motion that then closes the cracks, kinda like glue. Like blowing a balloon up in a box. The balloon is the pressure, OR Yes it could be your woofer is going bad. All speakers have voice coils. Tiny wire wrapped around a thin layer of cardboard then attached to the cone. This cone could be getting loose. But when the woofer heats up after a couple minutes it probably bonds the tiny wires so then the vibration or buzzing disappears. Over time woofers can die especially if it produces a lot of distortion, In a speakers life distortion kills and it doesn't matter how much power it can handle or how much money you spent on it.
Not all sub-woofers are alike. Some can handle the really low lows, and some can not. Check your settings too. Over time the vibration of the woofer will start to undo the glue, nails, screws, and even burn through the tiny wires in the voice coil. Oh and make your china crawl across the table... Have you been watching a lot more action movies? Some of the older woofers can't handle the newer digital deep bass frequencies... You may have to reconfigure your setup.

Sep 12, 2014 | Audio Players & Recorders

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I have a Sony DAV S500 AV system and with certain DVD and with the volumn just over 20 (not really that loud), the system shuts down and PROTECT shows in the message window. I read somewhere on the web...


If the subwoofer and other speakers were included with the system, THAT is what they're designed for. Mixing and matching with other products is usually discouraged if not forbidden.

http://audio.manualsonline.com/search.html?q=Sony+DAV-S500

If the problem returns with connection of the sub it may be defective or on its way out. Internal damage to the voice coil from being overdriven could have melted or worn through the insulation and it would cause intermittent undesired electrical contact or load variation under certain conditions, like high volumes.

If your speaker level settings are unusually boosted for the sub you may be overdriving it.

Feb 07, 2011 | Sony DAV-S500 System

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I have a subwoofer in my truck. 2 speakers in a box with an amp. One of the subs blew to a song that just came on. the volume was high. Sounds distorted. Any way to fix?


Sounds like the voice coil of that woofer overheated and melted while it was turned up too far. Now that area rubs on the magnet or pole piece internally and makes noise.

No you generally can't fix that except for a few high end woofer brands that have field replaceable voice coils that you can buy. Most subwoofers physically bottom out and sounds really bad before experiencing thermal damage like that. Sounding bad is a warning sign that it's being overloaded.

Note that woofers have 2 different types of overload conditions that can cause damage.
1. Over excursion from deep bass that moves the woofer cone too far and damages the suspension. This is clearly audible. Proper box design and user knowledge will prevent this.

2. Thermal limit. This is the published power rating that the voice coil can absorb without damage. Things can melt or fail entirely if this is exceeded.

Either of those issues can cause the noise you are hearing. Without a more detailed description of what happened or how it sounds before, during and after this is much detail as I can provide. But.. move the woofer some by hand, do it evenly pushing straight down evenly on both sides, not too far, go about half way through it's normal movement. If it clearly rubs and makes noise internally then the voice coil is damaged or if has some debris stuck in there. Most woofer are not serviceable.

There are many other factors that affect the longevity of the woofer, such as
  • Ambient temperature too high
  • Limited air flow has inadequate woofer cooling
  • UV exposure can make the surround material brittle
  • Proper enclosure design is needed to acoustically and physically supports the woofer to prevent bottoming out, particularly at the system resonant frequency.
  • Amplifier distortion can kill speakers even when rated far below the woofers max wattage.


Nov 28, 2010 | Sony XS-AW200 Car Subwoofer

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If i increase the sub woofer volume the voice distorts and gives a buzzing sound. it works fine on low volume


Your sub woofer is not mean for voice sound...check that you have connected the systen up properly and that you have put the sub woofer into its wn connection..if it is in the right connection the woofer could be blown.also try decrease the midrange hurts on the woofer

Jan 03, 2010 | Audio Players & Recorders

2 Answers

There is a loud hum when volume is on low to high


go to control panel
sound and audio devices
voice
under voice recording clk volume and mute the mic phone...........
or
some how your mic is conflicting with speakers. Keep your mic away from your speakers..

Do reply if this woks

Oct 03, 2009 | Bose Companion II Computer Speakers

1 Answer

Car Audio problems


If your voice cuts off when you use too much power i.e. operating power windows you are taking power away from your amp. An amp operates in stages; therefore you must increase the available (battery) power in your vehicle; possibly you can run two batteries (do not connect them in series)

May 14, 2009 | Car Audio & Video

2 Answers

No sound


Check The Wire Connection And Backtrack It All The Way To The Headset And Power Supply It May Be A Connectivity Problem But If Not You Will Have To See if You Can Have Your Speaker Serviced if Not You Will Without Dout Need To Replace It

May 09, 2009 | Kicker Solo-Baric L5 Car Subwoofer

1 Answer

My AVR 2803 shuts down when volume is at medium or above.


too big a speaker load,unit sensors shut unit down when speaker impedance gets too low . and draws too much current at hi volume.A bad woofer or tweeter voice coil burned by sudden excess volume can cause this,also partially shorted speaker wires.

Jan 03, 2009 | Denon AVR-2803 Receiver

1 Answer

Sound


I'm not familiar with your system but generally, reducing the lows and highs will make the voice frequencies more prominent since they roughly between 300-3,000 Hertz.
Some systems have range/filter selections that allow you to choose between voice and several music types.

Aug 28, 2008 | Durabrand STS92 System

1 Answer

1) Speakerphone mode 2) Voice Recording


The technician was correct in the sense that what he suggested is an accepted way of improving sound quality - in other words it stops distortion and in the TyTn IIs case has been found to improve matters. I appreciate that it is by no means an ideal solution, however the Kaiser does have a problem with speaker phone mode. This has been discussed at www.XDA-Developers.com

Mike

Aug 27, 2008 | HTC TyTN Smartphone

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