Question about Celestion S10 Subwoofer

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Sub is buzzing really bad, even with no connection to amp, only with power supply, it is an old S10 but was in perfect working order coupled with Denon AV amp ??

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Posted on Jan 02, 2017

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SOURCE: Clestion S10 Sub not working

Instead of connecting it to the sub output, try it on the L or R output of your amp.
This will eliminate the Denon.
If this fails, you need to test the loudspeaker driver unit whilst disconnected from the sub amp. Use a 1.5v cell (AA or bigger) connect using croc leads to the speaker's terminals. If the speaker is OK, you should hear a click. If you hear nothing, the speaker unit is faulty.

Posted on May 19, 2010

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4 Answers

Klh powered subwoofer model ASW10-120B... when you plug in to power... it makes a loud buzzing/humming noise


I would check the caps on the power supply. They are rather large electrolytic capacitors that will look like they burst and/or leaking. When these die, the caps ground and the sub will make a loud buzzing sound. If you are handy with a soldering iron you can replace them yourself. Replace them with the same voltage or a little bigger and same with the size.

If the cap. says 16v 4700pF on it, for example, a 20v 5300pF or a 16v 6200mF cap. will work for this application.

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Jan 05, 2016 | Audio Players & Recorders

1 Answer

I keep getting a very high pitched noise / buzzing from my TV even when volume is muted! its spoiling the viewing. its not always there but its all to frequent now. TVis 3 years old


The power supply is a switching mode power supply. They work at high frequencies. Sometimes they produce harmonics that can be heard by people. The power supply may need to be replaced if it get really bad.

Apr 16, 2010 | Philips 42PF9630A 42 in. Plasma Television

1 Answer

Loud buzzing from Kef PSW1000 Subwoofer


yes. A good idea. Kill power to the sub, then unplug and remove everything from the sub. go ahead and plug it in again and check for buzzzz.
That is test one. if you have buzz still, its the sub assembly. bad luck, but not impossible. If the buzz is gone its one of the signals to the sub. They can produce a buzzz without any signal coming from your stereo equipment. Replace the feed line, enjoy! BTW...Kef sure does sound clean. good choice.

Nov 09, 2009 | KEF Audio PSW 1000 Subwoofer

2 Answers

It is a klh powered subwoofer, which buzzes when plugged in, even though the power switch is set to "off"


Sounds like the grounds are screwed up. Try using a grounded wire for the subwoofer input. If that doesn't work, it sounds like something is internally screwed up, like the power supply doesn't fully power down. I guess besides buying a new amp, just connect it to a power strip where the switch is accesable and shut the sub off with the power supply.

Oct 10, 2009 | Audio Players & Recorders

2 Answers

Bought a used Martin Logan Dynamo subwoofer a couple days ago and have a very loud hum when the ac cord is plugged in, even if the speaker is not connected to an audio source. The "hum" can be heard in any...


Neither the amp or the sub have grounded power cords.

I have discovered the ML Dynamo takes about 30 minutes to switch to standby in auto mode.

With speaker level inputs connected to the Onkyo A807 amp, both units powered from the same wall outlet, Dynamo sub on Auto, the sub hums for about half an hour after the Onkyo is switched off, then the sub goes quiet. Not so good.

I connected a bonding wire between the two units on 3_7_09. If I smoked some old audio gear I could just look at that as an opportunity, right?

Works fine. Now I have the ML powered from the wall and working normally.

Jun 30, 2009 | Dynamo MartinLogan Subwoofer Speaker

1 Answer

Clestion S10 Sub not working


Instead of connecting it to the sub output, try it on the L or R output of your amp.
This will eliminate the Denon.
If this fails, you need to test the loudspeaker driver unit whilst disconnected from the sub amp. Use a 1.5v cell (AA or bigger) connect using croc leads to the speaker's terminals. If the speaker is OK, you should hear a click. If you hear nothing, the speaker unit is faulty.

Jan 25, 2009 | Celestion S10 Subwoofer

2 Answers

Bose companion speaker stopped working!?


Try going to control panel, sound, then configure the system to the Bose. Hope that works.

Apr 05, 2008 | Bose Companion 3 Computer Speakers

2 Answers

Jamo subwoofer issues


hai iam hans i had also a problem with the sub
turned out jamo denmark didnt had the spare parts to fix it?
can u believe that
so i wait 6 weeks and after 100 phone calls to denmark and my local dealer they deside to take the part out of another sub ?.
but i really had to make a a lot of effort to achive this
but for the price the jamo set is exellent
a shame about the service .

Jan 14, 2008 | Jamo A 102 HCS 5 System

2 Answers

LIGHTS ON BUT NO BASS


Is the master/slave switch set to master? Have you tried feeding the signal into a different amp to make sure that there is signal reaching the amp?

Sep 18, 2007 | Car Audio & Video

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