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Old 21st October 2008, 03:15 PM   #1
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Default Naked Capacitors

I am baffled. I recently bought a set of "high-end" speakers. To my dismay I found odd components inside. Naked capacitors! No plastic coating or sheath and connect wires is soldered on at each end. Looks like the foil/plastic is wound onto a plastic bobbin. Is this normal?
Not to mention the CAT 5 cable used inside...
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Old 22nd October 2008, 12:31 AM   #2
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Hmmm, I would think either:

- Bought surplus
- Custom run
- Really el-cheapo caps with the wrapper removed.

But if they sound great, that's all moot.

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Old 23rd October 2008, 12:57 AM   #3
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Actually some people say that they sound better this way, like they remove the plastic on BGs and stuff. That or they do not want someone coping them.
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Old 23rd October 2008, 09:53 AM   #4
adason is offline adason  United States
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Quote:
they do not want someone coping them
there is no way to prevent coping
one can always take the cap out and measure it
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Old 23rd October 2008, 10:19 AM   #5
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Quote:
Originally posted by Destroyer OS.
some people say
You'd be surprised just how many, experimenting with naked lytics in DIY circles started well over 2 decades ago at this end.
Several of the streaker aficionados from back then are registered active members of this club, some you may be familiar with.
A ninkenpoop would just find it odd that an electronic component is insulated with plastic foil, despite that temperature is the main parameter that influences it's very livelihood.

Got a picture of the odd components ?
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Old 23rd October 2008, 04:05 PM   #6
AMV8 is offline AMV8  United Kingdom
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Hi
I have seen naked caps before. They were for sale in a surplus shop in London.

There has been discussion on the internet about the use of naked capacitors and also the use of thin wiring in loudspeakers to improve the sound.

Regarding the capacitors it just depends how they sound. You do not mention the approx uf value. It would help to know that. I use plastic where possible and electrolytics where a higher value is required. I add a pastic cap in parallel if used in the mid or high range filter.

Regarding the wiring. I just stick with basic engineering. Wiring should be short and thick. I use copper with a silver coating in a ptfe sleeve.

How do the speakers sound?

Don
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Old 24th October 2008, 09:44 AM   #7
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Hello all

Thank you for all the replies.

Unfortunately I cant post a picture of the x-overs as this might put me in line of fire.

The reason for this post is that the speakers sound very edgy.
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Old 24th October 2008, 09:45 AM   #8
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Quote:
Got a picture of the odd components ? [/B]
Well, the caps are naked plastic film rolled onto a plastic bobbin with solder connections on either side of "roll".
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Old 25th October 2008, 04:45 AM   #9
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Quote:
Originally posted by deltavektor
Unfortunately I cant post a picture of the x-overs as this might put me in line of fire.
I'll host em. No DMCA here yet
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