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Old 20th July 2004, 11:25 PM   #91
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I've heard today that Jensen is closing down, is that true?
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Old 21st July 2004, 12:02 AM   #92
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Hi,

Quote:
I've heard today that Jensen is closing down, is that true?
I don't think so...and certainly hope that rumour is false.

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Old 21st July 2004, 04:25 AM   #93
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Peter, thank you for your info again.

Do you have a pic of the sensing coil?
Can you draw a diagram on how to hook up everything to test the inner and outer foil?

In the thread - Skinned electrolytic caps (in loving memory of Fred D.) ,
Quote:
http://www.diyaudio.com/forums/showthread.php?s=&threadid=35471&highlight=inner+o uter+foil
, what will happen if the DTU has a plastic cap like the Vishay/ROE that you are using?

Sunny
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Old 10th September 2004, 03:00 PM   #94
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Question Super e cap config

Just a quick question and please forgive my ignorance.

when using the super E config this will double capacitance.

now does this allow double the voltage?

also lets say you have an orginal value of 10uf (output coupling) and when super e config used it is 20uf is all of this acceptable
or is the idea to use 2 caps to equal what ever the orginal value is supposed to be.

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Old 10th September 2004, 03:22 PM   #95
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Quote:
when using the super E config this will double capacitance.
Nope..it will halve the capacitance.


Quote:
now does this allow double the voltage?
I think so.


Quote:
also lets say you have an orginal value of 10uf (output coupling) and when super e config used it is 20uf is all of this acceptable
Depends on other parameters such as the load that the next stage presents to it.
But 10uF + 10uF in series will provide an effective capacitance of 5uF
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Old 10th September 2004, 07:50 PM   #96
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Hi,

Quote:
now does this allow double the voltage?
It does for caps put in anti-series, back to back if you like....
It would be advisable to put voltage equalizing resistors across each cap in case you intend to surpass the nominal insulation voltage of the individual caps.
Doing so will make sure that neither of the caps sees excessive voltage.
From what I see this is not what Jelmax had in mind but I don't see why you couldn't. After all they're caps.

In the most common Super E configuration however, the caps are NOT put in series but put in anti-parallel to each other.
In this case the total capacitance doubles but the allowable voltage remains the same.

For further info:

SUPER E

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Old 9th July 2005, 06:38 PM   #97
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Default Parallel

Dear,

2 Blackgate N in super E cap. config act like one (almost) ideal condensator right? What happen if you build a powersupply with (for example) 20 blackgate N elco's. Every pair is in super E cap. And you put al the pairs parallel. What would be the result's?

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Bas
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Old 9th July 2005, 06:42 PM   #98
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Default Re: Parallel

Quote:
Originally posted by Sebastiaan
What would be the result's?
A very empty wallet.
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Old 9th July 2005, 10:09 PM   #99
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Default Re: Re: Parallel

Quote:
Originally posted by pinkmouse


A very empty wallet.
Dear Pinkmouse,

You are right The prices are not wallet friendly . But let's assume you get a result that's not from this world. No one tried it before. I strongly believe the ultimate sound is only reachable with the best powersupply. My pre-amp already had discrete voltage regulator's. wich are so silent.

I stille hope someone can answer my question. Is it possible to put so many pairs in parallel, or is the E cap only usable as one single pair?

I saw pics of the huge Krell MRA, with a big bank of BG's but I think it are FK's en not N or NX.

Kind regards,

Bas
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Old 7th September 2005, 01:26 AM   #100
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Hi,

Quote:
I stille hope someone can answer my question. Is it possible to put so many pairs in parallel, or is the E cap only usable as one single pair?
There's no technical reason why you wouldn't be able to put n caps in // in E-config.
One good reason, besides the exorbitant cost, not to go down that road is that the upshot would probably be offset by the stray inductance of the capacitor bank.

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