Question about KLH R7000 Receiver

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Buzzing in KLH R7000

I have a shipping damaged KLH R7000 receiver that has a 60 hertz buzz in the speakers. The buzz does is always present and varies only slightly with the volume level. Everything works on the system. The repair shop said the trouble is related to a bad voltage requlator, which blows a capacitor that is supposed to filter out the buzz. They say that the voltage requlator would only be available from the manufacturer, and therefore would be very expensive. I don't work directly in the electronics field, but it seems to me that a voltage regulator would be a somewhat generic component that should be available from a number of sources.

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Look on the component for details or in the schematic of the device if u can find a voltage requlator that matches the same specifications as in ur system then u will b happy till then u will need the manufacturer requlator good luck windman

Posted on Feb 13, 2006

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Posted on Jan 02, 2017

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1 Answer

Manual for KLH R7000 receiver


Try Googling (KLH)(R7000)(manual) without parens.

Apr 23, 2017 | KLH Audio Players & Recorders

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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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1 Answer

Buzzing sound coming out of back speakers


Make/model of receiver or amplifier?

Type of speakers -

The buzzing is a 60 hertz ground loop - most likely.

Make sure all connections are properly grounded and that all connections are firmly in place. Assure that wires are connected correctly. If necessary, trace each wire to assure proper connection.

Older phonographs have ground connections. Most receivers have a ground lug nut connection.


Mar 27, 2009 | Audio Players & Recorders

1 Answer

Audio receiver!


When I watch movies, most of the talking is directed to the center speaker. During surround sound, this gives a more realistic environment, with voices coming from the source (center where your tv is) and ambeint noise coming from the left/right corners.

Get a small center speaker to solve your problem.

Jul 20, 2008 | KLH R7000 Receiver

1 Answer

Klh r7000 no sound


Like I wrote, I had a similar problem with popping and then no audio for an extended period of time. I found the solution on another site, http://dexsoft.com/blog/?p=15

Apparently the solder joints are weak, and just as the blog described when I opened up the receiver I saw the same scorch marks from overheating. Just as the blog described, I added solder to each of the joints in the photo and have had no problem ever since.

I am no solder expert, this is my 2nd time, but all I did is build up each of the joints and I have been listening to music, playing movies in surround sound with no problems, no popping for the last 2 weeks.

Jun 15, 2008 | KLH R7000 Receiver

1 Answer

Technics sax-710 receiver Nht sb-1 speaker developed a buzzing sound when playing, Kids may have over drove speakers(not sure) Replaced with nht supezeros now both speakers sound very staticy like off...


The speakers have buzzing sound because of damaged cones.
Over driving speakers, especially with heavy low frequencies, can tear the voice coil away from the cone.
Once damaged, only replacement will help

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1 Answer

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I have lost my remote and instruction book where? do is it worth it replace

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1 Answer

Klh r7000 no sound


go to this site dexsoft.com/blog. Is under : KLH R7000 no audio repair. Problem solve

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