Blown Tweeters

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BrandonB

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Blown Tweeters
« on: 25 Dec 2025, 02:18 pm »
Two blown tweeters on my NX-Otica's from watching the Movie F! with Brad Pitt.  Would I do it again?  Heck yeah I would!!!!  If I hadn't had made these speakers and would have gotten them from a store it might not be as easy as hopping online and ordering a couple of tweeters.

nlitworld

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Re: Blown Tweeters
« Reply #1 on: 25 Dec 2025, 02:25 pm »
I know it's not funny, but it's kinda funny. Been there before.  :duh: But like you said, easy fix in the end.

Huskerbryce

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Re: Blown Tweeters
« Reply #2 on: 25 Dec 2025, 03:15 pm »
How loud was it?  I have had my NX oticas pretty damn loud and have not had an issue yet.  What amplification are you using?  Better check your crossovers.  Resistors may have burnt open or been damaged.

toocool4

Re: Blown Tweeters
« Reply #3 on: 25 Dec 2025, 03:26 pm »
You must have been going some to melt the voice coils, anyway I guess it happens. I have never melted a voice coil, but I have damaged a tweeter on my Totem Model One’s years ago for other reasons like physically denting them in ouch.
I did watch F1 a few weeks ago at home.

Well, just put in an order for a new pair of matched tweeters.

Tyson

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Re: Blown Tweeters
« Reply #4 on: 25 Dec 2025, 05:21 pm »
Fixing a retail speaker would take longer and probably be more expensive.  And having to deal with the manufacturer, some of them can be flaky.

BrandonB

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Re: Blown Tweeters
« Reply #5 on: Yesterday at 03:33 am »
How loud was it?  I have had my NX oticas pretty damn loud and have not had an issue yet.  What amplification are you using?  Better check your crossovers.  Resistors may have burnt open or been damaged.
It was ear screeching.  How do I check the resistors?  My amplifier is an SMC Audio DNA.5 its about 100 WATTS per channel in 8 ohms.

BrandonB

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Re: Blown Tweeters
« Reply #6 on: Yesterday at 03:35 am »
You must have been going some to melt the voice coils, anyway I guess it happens. I have never melted a voice coil, but I have damaged a tweeter on my Totem Model One’s years ago for other reasons like physically denting them in ouch.
I did watch F1 a few weeks ago at home.

Well, just put in an order for a new pair of matched tweeters.
I put the order in this morning. 

Huskerbryce

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Re: Blown Tweeters
« Reply #7 on: Yesterday at 06:58 am »
A basic multi meter can be of some help.  You can likely visually inspect the crossover for signs of thermal strain.   In the past I had some resistors melt.  Brown or discoloration of the shell is tell tale.  If you use a multi meter you can isolate and check the resistance of each component.  Usually visual signs can tell the story.  The manner in which you blew a tweeter can vary.  Usually for my older speakers the mid blows first because of the higher demand.  Tweeters are capped off.   If the resistor heats up, it can significantly change the value and allow the tweeter to see loads that can be failure inducing.  Sorry about your loss.  Usually higher volume demands higher quality amps to control the drivers at higher wattage demands.  Good news is that quality tweeters can be replaced relatively cheap.  Bad news is that likely, if you blew both tweeters, you need to check crossover parts for probable damage.

Danny Richie

Re: Blown Tweeters
« Reply #8 on: Yesterday at 02:35 pm »
It was ear screeching.  How do I check the resistors?  My amplifier is an SMC Audio DNA.5 its about 100 WATTS per channel in 8 ohms.

If you are going to play them that loud then you need more power than that 100 watt amp. If it can produce 100 watt peak and have any headroom then you are only using 40 or 50 watts continuous. You are running out or juice and clipping your amp.

They are probably fine, but check the resistors with an ohm meter.