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Kef psw2000 subwoofer relay chattering - Audio Players & Recorders

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I just removed the relay and put a wire instad so the auto switch on is bypassed. When i'm not using the sub i switch it off.

Posted on May 31, 2008

  • Frank Johnson Dec 13, 2010

    That's one sulution but it is flawed.
    The relay is part of the loudspeaker protection circuit.
    You risk a blown loudspeaker should the amp develop a fault - and they DO!
    The actual failure C52 47uF/63v. You should replace this with a 105C rated capacitor.

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Capasitor C52 (47uF/63V) is the root couse of this. Change this, and relay will stop making noise.

Posted on May 17, 2015

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I have a Yamaha HTR 3063 reciever and I just got a PSW 2000 Kef sub and I can't get the sub to WORK NO MATTER WHAT I DO PLEASE HELP


That is a potentially great combination. I have a Yamaha receiver but I am not familiar enough with Kef to know but is it possible your receiver expects to be connected to a powered sub. Are you sure the Kef works by itself? Have you checked to see whether the receiver subwoofer output works with another speaker? Could receiver mode selection be a factor? My Yamaha switches various functions on and off depending upon your preference.

For what it's worth, the troubleshooting section of my Yamaha manual says a subwoofer no sound problem can be caused by selecting MAIN LFE/BASS OUT on the SET MENU when Dolby or DTS material is being played or selecting SWFR when a 2-channel source is being played. Something has to work!

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Only One Subwoofer output is on my Denon 2309, but KEF Sub has two In L+R, which one should I use or do I have use Y Split Sub Cable


KEF manuals are really hard to find especially when we don't know ahat model it is. Do you have YOURS? The split-Y is guaranteed to work.

Sep 04, 2011 | Audio Players & Recorders

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Loud fast clicking on and off


Relay chatter ,relay needs replaced coil cant hold contactors in. get to the noise, replace chattering relay.UNPLUG FIRST

Feb 18, 2011 | Harman Kardon AVR 25 MKII

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When my KEF home theatre subwoofer is maxing out on bass, it often makes a loud popping noise. Should I be making some adjustments to reverb, volume, or something else?


Hi,
Yes you should make adjustments.KEF makes very good products, however if you don't handle this you will have to replace or service it.
1 If the woofer is very close to you, relocate it further away. The reason being is that the lower the frequency the larger the wave form. The lowest waveforms will become louder.
2 Adjust the high frequency cut off to be at 80Hz. This should eliminate boom. Higher Sub frequency tend to muddy the sound.
3 The sub should have a subtle effect in music. So the relationship between it and the speakers it augments the sound of should be seamless.
4 If you are playing Rap or Reggie music and you like to play it loud. Add another sub into the system and locate it NEXT TO the KEF Sub. In this fashion the two subs will reinforce each other's energy. They will "couple" thus multiplying their energy considerably.
Hope this helps,
Best Regards,
Mark

Jan 04, 2011 | Audio Players & Recorders

1 Answer

OVERLOAD


First of all the KEF is a powered sub which means that it wants a line level signal NOT a speaker level. Send the signal from a tape output or pre-amp output to the sub input. The overload is because the impedence load for the speaker output is too low and looks like a short to the amp. Continued attempts to connect the system as described will result in damage to the output section of the amp.

Please let me know if you need more info.

Dan

Feb 03, 2010 | Technics SA-DX750 Receiver

2 Answers

Kef PSW2010 Subwoofer common problem DIY repair


The relay buzzing fault is caused by a faulty electrolytic capacitor.
You need 47uF 100v 105C radial.
C52 on the corner of the board near some power resistors.

May 10, 2009 | Audio Players & Recorders

1 Answer

Is there an incompatibility between Onkyo 606 and KEF Wireless?


Sorry this is not a solution.

I am having virtually the same problem and I wanted to find out if you managed to fix the issue?

It seems to be my LCD causing the static noise (even when it is powered down). The static noise goes away when I physically unplug the TV or disconnect the HDMI cable to the amp.

Mark

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2 Answers

Kube 2 subwoofer hum


The Kube Sub-woofer is earthed via its 3 pin plug. The Onkyo and other components I have in my system are not (they are double insulated). During normal operation, a difference in electrical potential can exist between these components in the system. I found that this potential was finding a path to earth via the audio cable and on through the subwoofer's earth. The path was via the earth portion of the audio cable and so gave the hum irrespective of volume levels set either on the Onkyo or the sub.

The fix is to ground the Onkyo to the sub. I used a length of electrical cable between a panel mounting screw on the back of the sub and a screw on the casing at the rear of the Onkyo. Try it out with a piece of cable manually touching screws with the bare ends of the cable until you find ones that give continuity( the hum will go immediately). I then crimped a small fork end electrical fitting onto each end of the cable which can be slid under the slighly loosened screw head and resecured. All I hear now is the fan on the Blu-Ray player!

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1 Answer

Have he KEF 2005.2 Speakers and I cannecting to the DENON AVR 2802 Amp. All Satellite speakers sound OK but there isn't ny sound from Subwoofer. I don't get he System Setup display on the Amp screen...


Run a phono cable from the monitor out on the back of your amp to the tv then go to that input on the tv and then go to the setup menu on your amp ,also make sure you have the sub cable pluged into the sub preout and not the 6channel input.

Hope this helps.
CABLE GUY.

Jul 11, 2008 | Denon Audio Players & Recorders

2 Answers

Onkyo TX-SV525 Receiver subwoofer pre out no sound


Yes turing on the "A" speaker is required for the Onkyo, but that only turns on the 2 front speakers in the "A" speaker jacks.

You may also need to check and see if the Onkyo has a menu selection in the setup menu that will turn on the sub woofer output on the back of the receiver.

I have seen on countless occasions where people just have a hard time finding that sub woofer option on their receiver.

I do not have the manuals for this Onkyo, so I can not tell you the exact way to find it.

I have been repairing surround receivers since they have been on the market and beleive me, you are not alone in this situation.

Sometimes it seems like you need a Phd. in programming or something similar just to firgure out how to set one of these up.

The solution should be in your owners manual, with the problem then being, just where in the manual. Go slowly thru it paying the closest attention to anything about set up procedures.

I have also seen at times where the setup for the sub-woofer is not listed as sub-woofer, but as "LFE" (low frequency effect) . So keep your eyes open for that.

something else, your sub woofer may have an auto turn on. That means it will only turn on if it detects an input signal. Make sure yo uhave the volume up enough on the receiver to trigger that auto turn on if yours has one.

I would like to have been more help, but without the manuals I can only give you general type thngs to look for. These type of receivers are all so different and all so complicated to operate. The days of just turning on a stereo, selecting your source and turning up the volume seem to be over.

Let me know if you need any more assistance from me.

Dave

p.s. Very nice system you have, when you get the Kef working I think you are going to just love this system. and Onkyo has the best quality receivers in their price range.

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