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robotgrass

Fuse to protect K-77 tweeters

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Hello,

I own two sets of Klipsh Heresy speakers for over 25 years, love them.

 

Problem is I have had to replace the voice coil diaphragms on the K-77-M tweeters on a few occasions, I was wondering if it would make any sense to place a fuse between the crossover and tweeter as a protective measure, logic being it’s a lot cheaper to replace a fuse than the voice coil.

 

If so what would you suggest the resistance be for this fuse?

 

 

Cheers

Montreal

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a light bulb would be much more effective than a fuse much faster than a fuse and sounds better. Best regards Moray James

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A subwoofer would be even more effective.

 

Keeps the volume knob from roasting the highs while the ear searches the lows.   ;)

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"If so what would you suggest the resistance be for this fuse?"

 

Change the crossover to 18dB/oct (like the Klipschorn, LaScala, etc) first, then add a 211-2 lightbulb. The driver is failing from mechanical damage from excessive excursion, not excessive heat.

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Hi

 

"If so what would you suggest the resistance be for this fuse?"

 

Change the crossover to 18dB/oct (like the Klipschorn, LaScala, etc) first, then add a 211-2 lightbulb. The driver is failing from mechanical damage from excessive excursion, not excessive heat.

Hi, do you mean changing the entire crossover unit or making a modification to the existing one?

Thanks

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Old type E networks can be modified to type AA for the tweeter, it's easy.

 

The minimum required would be one 2µF and one 245µH per network.

 

I would probably replace all the caps at that point, a total of 6 pieces of 2µF required.

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