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In Reply to: RE: Vishay and Wima DC Link Caps in H.E. speaker Crossovers posted by drlowmu on March 10, 2017 at 23:44:15
no - but it would be cheap for someone with Klipsch Heresy at $2.18 per 2uF cap. A Klipsch Type A network would be ~$13 at Mouser. 12uF is cheaper at Allied but don't see 2uF - two 1uF MKP1848 could be used in parallel and cost about the same as one 2uF cap.
for low loss caps - maybe these are a way to go - ?
MKP1848 AT MOUSER
It looks like I get to be first on this Forum to try out WIMA 4 lead DC LINKS on an ALTEC system, or maybe any High Efficiency system, since no one responded, as to having any experience doing this.
It should be WIMAs with four lead outs, not any VISHAYS, which are audibly inferior.
I would not use the 4 lead WIMA DC LINK caps alone, but rather, bypass each of the crossover's cap locations, with multiple lower value (typically under 1 uF ) - small uF value film caps with 0.01 uF being the smallest. No single cap " does it all ", especially midrange through the high end.
hey Jeff - are the Dayton film and foil bypass caps suitable to bypass these WIMA? - I'll order some WIMA and give a whirl on either a fake La Scala or a K-horn with 511B as midhorn. Do you use a heatsink when soldering copper to the DC-Link leads?
Jeff & others interested,
A company that carries SOTA poly caps is Electronic Concepts. Go to their company's site --it is worth a read !!! These caps are used in multi million dollar medical and high voltage devices etc. The caps are called "unlytic"---look on ebay under both company name and unlytic and you can get some real bargains !!! This company did the science and their products are based on performance. not audiophile BS. I will have soon to be delivered a few 20mf rated at 750 volts for $6.00 each !!!! I also have some vishay high voltage poly caps for my tube power supplies on the way. I doubt you will find a more technically better cap. I know some people who are using these caps in tube power supplies / crossovers and report excellent results. Good luck in the hunt.
what would you suggest to try as bypass caps for the WIMA? what bypass would you suggest for KGB and MBGO caps?
I'm using the Wima DC link caps in my crossover to the tweeter with no bypass.
They work just fine.
Have Fun and Enjoy the Music
"Still Working the Problem"
good - are Vishay's DC link reported as nearly as good? - their values are closer to what I need.
These caps are very hi quality and sound very good, are made in spain!!! cheap too!!!
I can almost guarantee you will not be disappointing plus the seller is a stand up guy.
Or if your into Silver foil capacitors These are a STEEL
I feel as though I am reading serial advertisements. Also I don't believe steel is a suitable material for HF caps, even if the caps are a steal.
Nope. Pass on Vishays for audio.
4 pin WIMAS, not 2 pin, sound best.
Vishays don't compare favorably to the WIMA. No free lunch.
Vashay = all I could find near 3.3uF - might not matter much with Beta10cx - which values of Vishay did you evaluate? what is their signature vs WIMA? ("brittle" ?)
WIMA seems to make these lower values but could not find them stocked
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