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| WANTED: HIGH QUALITY 4uF 100V+ caps http://dcaudiodiy.com/phpBB3/viewtopic.php?f=7&t=580 |
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| Author: | Stuart Polansky [ October 27th, 2015, 7:33 am ] |
| Post subject: | WANTED: HIGH QUALITY 4uF 100V+ caps |
Have tweeters that are a bit edgy, using basic Dayton metalized PP caps. Thinking that better caps might tame them a bit. Could get by with only two, but would like 4: PPFX Mundorf Auricap Sonicap Jensen Jupiter V-Cap OIMP whatever....... |
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| Author: | Pelliott321 [ October 27th, 2015, 8:56 am ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
I have had good luck with PIO's off of ebay The usual naysayers will be ignored |
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| Author: | Stuart Polansky [ October 27th, 2015, 9:00 am ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
Which PIO caps? The Russian k40Y9 type? Stuart |
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| Author: | Pelliott321 [ October 27th, 2015, 9:08 am ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
I have gotten a few. The Russian's seem fine and reasonable. Also motor run caps have a large following But full disclosure my personal opinion that boutique caps are bogus. |
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| Author: | Stuart Polansky [ October 27th, 2015, 9:10 am ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
Pelliott321 wrote: I have gotten a few. The Russian's seem fine and reasonable. Also motor run caps have a large following But full disclosure my personal opinion that boutique caps are bogus. Thanks. Maybe I'll just use some NP Nichicons. Probably I'm imagining any differences. Kidding! Sorry, I'm in the other camp. Sadly, I hear differences, lots of them. Bad for my wallet! Stuart |
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| Author: | Pelliott321 [ October 27th, 2015, 9:31 am ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
I hear differences also, but have decided its not worth it. I like to get rid of the stress |
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| Author: | Stuart Polansky [ October 27th, 2015, 9:36 am ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
Pelliott321 wrote: I hear differences also, but have decided its not worth it. I like to get rid of the stress I don't blame you one little bit!!!! Keeps lots more $$$ in your piggy bank for other projects! More hair on your head also! It's just that feeling of running sheetrock screws into my ears that makes me keep trying! I listen for detail, soundstage, microdynamics, etc., so revealing tweeters do it for me. Unfortunately, that's a double edged sword demanding fine components upstream! Stuart |
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| Author: | SoundMods [ October 27th, 2015, 10:57 am ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
I have a cache of 5-ufd/350-wvdc Electronics Concepts caps that in my experience surpass any of the so-called audio-phile caps. Their self-resonance is out beyond 250-kHz. I can provide you with matched pairs. At 8-ohms the difference in the -3-db crossover point is only 750-Hz. (4,750-Hz -- 4-ufd vs. 4,000-Hz -- 5-ufd). I can even sort for the lowest values within tolerance to get you closer if you like -- although I found that some overlap works best. |
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| Author: | tomp [ October 27th, 2015, 12:45 pm ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
A blast from the past. I have two 8uf 200V Wonder Caps if you are interested. Tom |
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| Author: | Stuart Polansky [ October 27th, 2015, 3:41 pm ] |
| Post subject: | Re: WANTED: HIGH QUALITY 4uF 100V+ caps |
SoundMods wrote: I have a cache of 5-ufd/350-wvdc Electronics Concepts caps that in my experience surpass any of the so-called audio-phile caps. Their self-resonance is out beyond 250-kHz. I can provide you with matched pairs. At 8-ohms the difference in the -3-db crossover point is only 750-Hz. (4,750-Hz -- 4-ufd vs. 4,000-Hz -- 5-ufd). I can even sort for the lowest values within tolerance to get you closer if you like -- although I found that some overlap works best. I wouldn't mind auditioning a pair, if you're amenable. If I like them I'd buy them, if the price is right..... BTW, I'm using 2nd order Butterworth filters: 4.0uF & 0.51mH for 3500, so even 4.7uF & 0.51 = moves me to 3250Hz, a little low. If there are ~4.5uF caps in the bunch, it might be better. Thanks Stuart |
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