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 Post subject: 1000 volt capacitors
PostPosted: Nov Fri 24, 2017 6:43 pm 
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Location: Cincinnati, Ohio
Where can I get a 1000 volt capacitors


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 Post subject: Re: 1000 volt capacitors
PostPosted: Nov Fri 24, 2017 6:51 pm 
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I think Sal and JustRadios both have them....see the ads at the right. If not, then Mouser.

OR?..just put two 630s in series. ( two 0.1 in series gives you 0.05uF )

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 Post subject: Re: 1000 volt capacitors
PostPosted: Nov Sat 25, 2017 12:27 am 
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Is that a buffer cap for a vibrator? If so these guys have what you need.

http://www.antiqueautomobileradio.com/

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 Post subject: Re: 1000 volt capacitors
PostPosted: Nov Sat 25, 2017 12:39 am 
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It’s for a pilot model h594 console radio.

https://www.radioace.com/sites/default/ ... edited.pdf


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 Post subject: Re: 1000 volt capacitors
PostPosted: Nov Sat 25, 2017 1:40 am 
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Location: Richmond Virginia U.S.A. 23224
http://www.tuberadios.com/capacitors/

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 Post subject: Re: 1000 volt capacitors
PostPosted: Nov Tue 28, 2017 12:05 pm 
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Location: 253 Blanche St. Plymouth, MI USA
ktewell wrote:
It’s for a pilot model h594 console radio.

https://www.radioace.com/sites/default/ ... edited.pdf


You dont need them, 630 will work fine there, if its the output transfomer protection cap (treble reducing one) across the output tube. That cap endures a lot of abuse from dirty bandswitches that make the "CRUNCH" when you leave the volume up too high and change the bandswitch position if its not cleaned well. That loud signal hurts the transformer so the cap is supposed to short some of the high freq transients. Also, it stabilizes the output tube. I often reduce the value of it, sometimes they were .03mfd range, really, .0047 to .01mfd is more appropriate if you want decent treble in most radios. But , depends on the radio.
They used 1000v rated caps often as back then the paper caps were not self healing like today's metalized mylars.
Mark Oppat


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