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Disassembling & painting K-77 tweeters


Dave MacKay

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I'm in the process of refurbishing my new-to-me 1986 Lascalas. I'd like to paint the horns (or are they called lenses?) on the K-77 tweeters to cover up some minor scratches but I can't get just the horn off.

 

When I separate the tweeter, the horn stays attached to a round section that has a diaphragm and is where the wires from the network connect (see photo). I haven't been able to remove the round section from the horn. I haven't applied a lot of force for fear of breaking it.

 

Does the horn come off? If so, how?

 

If the horn doesn't some off, can I just block off the little screen (at the back of the horn when viewed from the front) and paint it, or should I leave the tweeter alone?

 

Thanks for the advice.

front of tweeter.JPG

Tweeter horn (or lens).JPG

K-77 tweeter.JPG

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I'll reply to my own posting in the hope that what I've learned might help someone searching the forum.

 

The lenses (horns) do come off the driver. After removing the 4 screws, it can be removed. It just takes an uncomfortable amount of force. Take care not to disconnect or break the wiring.

 

With the lens (horn) removed, you'll find a small black gasket and a tiny grill. I removed the little grill but left the gasket in place (but protected it with tape so that it could be re-used) when spray painting the lens/horn.

 

I found these These two articles to be helpful:

https://critesspeakers.com/installation-of-the-k-77-t.html

https://community.klipsch.com/index.php?/topic/187809-wrong-tweeter-or-wrong-speaker/

 

I haven't re-assembled the tweeters yet.

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Just to close off this topic for the benefit of anyone searching this topic in the future ...

 

The tweeter drivers and horns/lenses came back together without issue and seem to be fine. 

 

Read the posts referenced in the first reply, don't be fearful of applying a little force, and they'll turn out fine.

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