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Crossover components? |
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Shortrope 
Young Croc 
Joined: 08 July 2013 Location: Ireland Status: Offline Points: 1232 |
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 Topic: Crossover components?Posted: 25 January 2019 at 7:48am |
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Morning all
What would recommendations be for a Crossover components supplier?...preferably a one stop shop. Also what type of board are folks using. Ta.
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My Tinnitus is coming along nicely!!
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dlyxover
Old Croc 
Joined: 14 June 2007 Location: Liverpool Status: Offline Points: 1502 |
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Posted: 25 January 2019 at 11:26am |
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I've been using inductors and app from CPC.
Maybe not the best quality but sound quality is respectable. I used a piece of 9mm ply for a board drill holes each side of large components and cable tied them on will a good helping of hot glue. Yes they do have the appearance of a home made board but full functional after 2 years use/abuse
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In the Truth there is no news, and in the News there is no truth
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I-shen Soundboy
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Joined: 21 December 2016 Location: Big Smoke Status: Offline Points: 375 |
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Posted: 25 January 2019 at 12:14pm |
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www.hificollective.co.uk have a good stock of fancy name capacitors and inductors in varieties of exotic metals.
If you don't need pure platinum hand rolled musk-oil filled caps, the lower end stuff is almost affordable...
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madboffin
Old Croc
Joined: 03 July 2009 Location: Milton Keynes Status: Offline Points: 1538 |
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Posted: 25 January 2019 at 1:28pm |
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Point-to-point wiring with solder tags and hot-melt is perfectly OK and a lot of manufacturers use that method.
Remember to use brass (not steel) screws for the inductors. SCR (Solen) polypropylene capacitors are recommended, as are Volt inductors. "Here's one I prepared earlier" (about 30 years ago): http://spamabyss.net/pictures/Rs800xover.jpg Edited by madboffin - 25 January 2019 at 1:29pm |
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Earplug
Old Croc
Joined: 03 January 2012 Location: Europe Status: Offline Points: 7216 |
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Posted: 25 January 2019 at 1:35pm |
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I use Monacor whenever I need a coil, etc: https://www.monacor.com/products/?t=products&s=crossover&page=1 Or, more importantly, protection! http://www.monacor-spain.biz/Sites/monacor-spain/paginasPersonalizadas/Modelo1/articulosDetalle.aspx?cod=PL-1218  |
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Earplugs Are For Wimps!
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studio45
Old Croc
Joined: 16 October 2007 Location: United Kingdom Status: Offline Points: 3864 |
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Posted: 25 January 2019 at 1:53pm |
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+1 for Hifi Collective who were FKA audiocomponents.co.uk
Bluearan has a good selection of components. But, really more appropriate for HiFi at the power ratings they have. EG no 50 watt metal cased resistors or 400 volt caps, or >1.2mm wire inductors. Yes in theory 20 watt ceramics and 250v caps are fine in a PA design, buuuuut I've repaired a lot of blown-up ones, and I would always go to the next level if possible. Passive crossovers are a compromise at the best of times, no need to make the situation worse by using marginally rated components that get red-hot if you run all night at full tilt.
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Studio45 - Repairs & Building Commotion Soundsystem -Mobile PA
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snowflake
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Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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Posted: 25 January 2019 at 1:55pm |
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caps from these guys based in Yorkshire: Monacor coils are best value.
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fatfreddiescat
Young Croc
Joined: 15 October 2010 Location: N.E.Wales Status: Offline Points: 1083 |
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Posted: 25 January 2019 at 2:19pm |
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The Ansar caps that suppression devices are selling are also very nice, they used to be based just up the road from me so could just pop in with the values I wanted and they made them to spec, cash on collection.
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markie
Old Croc
Joined: 31 October 2005 Location: Sunny Liskeard. Status: Offline Points: 4570 |
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Posted: 25 January 2019 at 3:35pm |
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Suppression devices are the manufacturer for many brands. A few years ago I bought a clearance lot from them (apparently they make a few extra on every order in case of failure then every so often they clear them out).
I got caps with Turbosound, Ansar, Supersound, ASS plus a few others. The guy told me that they print whatever the client wants on them, but they are all actually made to 400v spec.
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If it's got wheels or tits it's gonna cost a fortune
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Xoc1
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Joined: 15 October 2012 Location: Devon UK Status: Offline Points: 397 |
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Posted: 25 January 2019 at 8:35pm |
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So Do you go for air cored inductors to avoid saturation, or cored for low resistance?
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Shortrope
Young Croc
Joined: 08 July 2013 Location: Ireland Status: Offline Points: 1232 |
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Posted: 26 January 2019 at 6:39am |
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Excellent...thanks a million lads.
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My Tinnitus is coming along nicely!!
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snowflake
Old Croc
Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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Posted: 26 January 2019 at 3:15pm |
if your air-cored woofer coils get ridiculously expensive to keep DCR down, then consider ferrite-cored.
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Xoc1 wrote: