chrisreiffel Posted September 16, 2016 Share Posted September 16, 2016 has any one tried obblgarto oil caps from diy hifi supply in corner horn aa crossover need to recap crossover or have any better suggestions Quote Link to comment Share on other sites More sharing options...
Honeybadger Posted September 16, 2016 Share Posted September 16, 2016 Give them a try. 1 Quote Link to comment Share on other sites More sharing options...
Deang Posted September 16, 2016 Share Posted September 16, 2016 On 9/16/2016 at 7:57 AM, wdecho said: ... You could certainly spend a lot more that probably would not sound as good. I have built X-overs with motor run caps and was very satisfied with the sound vs polypropylene. Those capacitors are polypropylene, just like their dry/axial wound products. I'm not saying not to try them - the oil is a plus - though I've never been able to find a satisfactory answer as to why that is (in crossover use). I lean towards real film caps as opposed to metalized in my personal and higher end builds. 1 Quote Link to comment Share on other sites More sharing options...
Deang Posted September 16, 2016 Share Posted September 16, 2016 William, with respect, while a capacitor "good enough" for a washing machine (or furnace or ceiling fan) might be good enough for DC applications in an amplifier - this shouldn't be confused with use as AC coupling caps or in crossovers (also AC). Why are people happy with "good enough"? Quote Link to comment Share on other sites More sharing options...
Deang Posted September 16, 2016 Share Posted September 16, 2016 1 hour ago, wdecho said: Probably because motor run caps are quality made film caps for industrial use and not a hobby item. They are made to work in very high voltages without breaking down for years in an outside environment. Many technicians consider the hobby grade oil caps motor run caps in a fancy dress. They are probably metalized polypropylene, not absolutely sure, but there has to be much more metal attached to the poly in an industrial use application vs a hobby product. What this means is plenty of meat on the bone. Please give me an example of a "hobbyist capacitor", or "hobby grade" capacitor. The higher the working voltage, the thicker the metalized layer (whether separate or by adhesion). A higher working voltage does not guarantee better sound quality. You get what you pay for. Quote Link to comment Share on other sites More sharing options...
Deang Posted September 17, 2016 Share Posted September 17, 2016 15 hours ago, wdecho said: A coupling cap stops DC and lets the AC signal pass in tube Lol. That was my point. I've seen motor runs used in power supply builds, but not as coupling caps. There are only a few manufacturers of capacitors in the country - they build to spec. There is no such thing as a "hobbyist capacitor" - there are only capacitor types, built to the specifications of the vendor. It's obvious that you've never heard any of the parts you're criticizing. Since you can't figure out how to discuss anything without insults and a condescending attitude - I've decided not to engage you further. 1 Quote Link to comment Share on other sites More sharing options...
chrisreiffel Posted September 18, 2016 Author Share Posted September 18, 2016 Hi thanks for all your replies. is there any particular caps i should be looking at. Suggestions on the best way to make up 13 mfd would be helpful. and 2mfd. I'm having trouble finding anything. i just want to know what brand and values. At this point i only have the old crossover with dried caps so no reference point. i just got the horns last week. At the moment i am using my DYNACO mk 3s Quote Link to comment Share on other sites More sharing options...
Deang Posted September 18, 2016 Share Posted September 18, 2016 What is your budget for the project. Quote Link to comment Share on other sites More sharing options...
Mallette Posted September 19, 2016 Share Posted September 19, 2016 6 hours ago, Deang said: What is your budget for the project. Why, Dean? The guy just wants to know available brands and values. Dave Quote Link to comment Share on other sites More sharing options...
chrisreiffel Posted September 19, 2016 Author Share Posted September 19, 2016 The budget is less of a concern, i really just want to get them up and running for now so that i have reference point to work from. I may upgrade the crossover and tweeters down the track. i suppose the best value for money at this point 1 Quote Link to comment Share on other sites More sharing options...
jimjimbo Posted September 19, 2016 Share Posted September 19, 2016 Dayton Audio caps from parts express 2 Quote Link to comment Share on other sites More sharing options...
Mallette Posted September 19, 2016 Share Posted September 19, 2016 2 minutes ago, jimjimbo said: Dayton Audio caps from parts express Probably the best price/performance company in decades. Love PE! Dave 2 Quote Link to comment Share on other sites More sharing options...
Deang Posted September 19, 2016 Share Posted September 19, 2016 He wants to know about "particular caps" and "brands". That covers a lot of territory. Knowing what's allocated for the project narrows down the choices. 1 Quote Link to comment Share on other sites More sharing options...
Mallette Posted September 19, 2016 Share Posted September 19, 2016 22 hours ago, chrisreiffel said: Suggestions on the best way to make up 13 mfd would be helpful. and 2mfd. I'm having trouble finding anything. i just want to know what brand and values. Don't see anything about budget in there, just brands and values. Best I can tell he's simply having trouble finding what he needs, period, price having nothing to do with it. He also mentioned he just wants to get up and running and might experiment later. I haven't run the values he's after, but suspect there are plenty in a variety of price ranges. He can sort that out on his own. Just my take on it... Dave Quote Link to comment Share on other sites More sharing options...
Deang Posted September 19, 2016 Share Posted September 19, 2016 Dayton and Bennic are good entry level metalized polypropylenes, but they don't sound as good as film and foils or paper in oils. Look at AudioCap PPT Theta, Jensen and/or Jupiter if you want better sound quality. 1 Quote Link to comment Share on other sites More sharing options...
Deang Posted September 19, 2016 Share Posted September 19, 2016 For the 13uF, you can substitute a 12uF, or parallel two 6.8uF. Parts Express catalog page. http://www.parts-express.com/catalog/pdf/2015/Parts-Express-2015-Catalog-Pg-157.pdf Quote Link to comment Share on other sites More sharing options...
karlson3 Posted September 19, 2016 Share Posted September 19, 2016 Erse has one of their PulseX caps (400v) in 13uF and also the needed 2uF - I'm not sure how they rank vs other caps in Klipsch duty. How do polyester fare? 13uF 400 volt PulseX http://www.erseaudio.com/Products/PulseX400v/MPX40-03-13-0 I'm wondering if I should have ordered an IXQ 4mH instead of SuperQ 4mH to try the AK3 lowpass. IXQ would probably have less distortion, SuperQ 14ga, less insertion loss (~0.15 vs 0.3 ohm) SuperQ is easier to mount as regular steel screws can be used in its feet. Quote Link to comment Share on other sites More sharing options...
wvu80 Posted September 19, 2016 Share Posted September 19, 2016 2 hours ago, Mallette said: Why, Dean? The guy just wants to know available brands and values. Dave It seems like a perfectly legitimate question. Everybody has a budget, and if the OP's budget is a hundred bucks then there is no need to list the $500 and up, caps. 2 Quote Link to comment Share on other sites More sharing options...
jason str Posted September 19, 2016 Share Posted September 19, 2016 +1 on the Daytons. 6.2 + 6.8 will get you the 13 uF value you need. Quote Link to comment Share on other sites More sharing options...
Deang Posted September 19, 2016 Share Posted September 19, 2016 $500 for a capacitor, yowza. The most I've ever paid for a 2.2uF is $45.00, and around $160.00 for a 12uF. It took me forever to save for my network parts. There a lot of brands/parts between $5.00 and $150.00. Quote Link to comment Share on other sites More sharing options...
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