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KLH 38 tweeter problem


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Guest molecules

The tweeter output dropped all of a sudden in my KLH 38's. Inside there looks like no problems. A coil and a 4uF capacitor is all thats in there. Could the capacitor be the problem ? There is output from the tweeter, but it is much lower than the other one.

I think these are great speakers, and are my favorite vintage speakers, even with large Advents, AR4ax, EPI 100's, and JBL L-40's so I want to get them back in the system.

Any direction you can give me ?

Thanks,

Dave

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Hi Dave...

What name is on the 4 uf cap?

Mark

>The tweeter output dropped all of a sudden in my KLH 38's.

>Inside there looks like no problems. A coil and a 4uF

>capacitor is all thats in there. Could the capacitor be the

>problem ? There is output from the tweeter, but it is much

>lower than the other one.

>

>I think these are great speakers, and are my favorite vintage

>speakers, even with large Advents, AR4ax, EPI 100's, and JBL

>L-40's so I want to get them back in the system.

>

>Any direction you can give me ?

>

>Thanks,

>Dave

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  • 2 months later...
Guest molecules

Replaced the cap with non-polarized one, still does not sound right. I took the screen and fiberglass off to reveal the 3" standard looking paper cone tweeter. Does anybody know what other KLH speakers use this tweeter or can suggest a possible replacement ?

Dave

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Hi Dave...

Replace the cap. It is probably a Callins (One end is red), which were a real pain. The field replacement, Part#: 1350A was a 100v NP device.

Mark

>The tweeter output dropped all of a sudden in my KLH 38's.

>Inside there looks like no problems. A coil and a 4uF

>capacitor is all thats in there. Could the capacitor be the

>problem ? There is output from the tweeter, but it is much

>lower than the other one.

>

>I think these are great speakers, and are my favorite vintage

>speakers, even with large Advents, AR4ax, EPI 100's, and JBL

>L-40's so I want to get them back in the system.

>

>Any direction you can give me ?

>

>Thanks,

>Dave

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  • 3 months later...

>Hi Dave...

>

>Replace the cap. It is probably a Callins (One end is red),

>which were a real pain. The field replacement, Part#: 1350A

>was a 100v NP device.

>

>Mark

>

>>The tweeter output dropped all of a sudden in my KLH

>38's.

>>Inside there looks like no problems. A coil and a 4uF

>>capacitor is all thats in there. Could the capacitor be

>the

>>problem ? There is output from the tweeter, but it is

>much

>>lower than the other one.

>>

>>I think these are great speakers, and are my favorite

>vintage

>>speakers, even with large Advents, AR4ax, EPI 100's, and

>JBL

>>L-40's so I want to get them back in the system.

>>

>>Any direction you can give me ?

>>

>>Thanks,

>>Dave

>

The old CTS tweeters are tough to find. They will no longer be stock

but........I would use the 40 watt Pioneer 3" tweeters at MCM. They

are about 6 bucks each and sound very good with a single 4.7 uf Bennic

cap crossover. If you use a NPE I think the 50 v sounds better than the 100 v. Good luck!

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  • 3 months later...
Guest molecules

I bought a new pair off ebay fo $11.00 ! I used the Parts express 4 uF 100v non polar for 80 cents each, part no 027-330. Comparing a speaker with the old cap and same tweeter , the one with the new cap sounds clearer and less colored, more neutral. So I matched the two tweeters and replaced the other cap.

>

The old CTS tweeters are tough to find. They will no longer be stock

but........I would use the 40 watt Pioneer 3" tweeters at MCM. They

are about 6 bucks each and sound very good with a single 4.7 uf Bennic

cap crossover. If you use a NPE I think the 50 v sounds better than the 100 v. Good luck!

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