[sdiy] What is this capacitor in the JP8?

[Jack Jackson]

Thanks. Is the 50v an important factor here, or was it just specified so people wouldn't use something too low like 16v for example? I've found some cheap 100v ones here. 
http://www.hificollective.co.uk/catalog/rbd030-047uf-100vdc-elna-bipolar-capacitors-p-9449.html

Also why they choose to use an electrolytic over a polyester?

Cheers,
Jack
---------------------------------------
> Date: Mon, 14 Oct 2013 14:13:06 +0100
> Subject: Re: [sdiy] What is this capacitor in the JP8?
> From: neil.johnson71 at gmail.com
> To: jackdamery at hotmail.co.uk
> CC: synth-diy at dropmix.xs4all.nl
>
> As I just posted on MW:
>
> 0.47uF 50V. And yes, some electrolytics are bipolar.
> The green caps are most likely Mylar (which is just a trade name for a
> cheap polyeter).
>
> Neil
>
> On 14 October 2013 14:10, Jack Jackson <jackdamery at hotmail.co.uk> wrote:
>> Hey chaps,
>>
>> any idea what this capacitor type/value in the Jupiter 8 resonance circuit is? On the schematic it's listed as .47/50 BP. I'm guessing BP stands for bipolar, but I thought electrolytics were polarised ,not bipolar. At any rate the cap looks like an electrolytic from a photo of the module board I have, and the silkscreen of the module board would seem to confirm the one in the photo is indeed C44.
>>
>> Also are the green blobs in the photos Mylar caps?
>>
>> Here's an image with all three reference points:
>>
>> http://www.muffwiggler.com/forum/userpix/10914_capres_1.png
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>
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