Inductors for Australian diyers? - diyAudio
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Old 22nd June 2006, 07:31 AM   #1
damo21 is offline damo21  Australia
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Default Inductors for Australian diyers?

Hi, I'm trying to source some decent inductors with low DCR but not having much luck.
Can't really justify importing from Madisound for just a couple of parts. Maybe find some nice 14AWG copper wire and roll my own? I need a pair of fat 2.2mH inductors with <0.3ohms.
Any other suggestions would be awesome. What does everyone else do for crossovers? Cheers
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Old 22nd June 2006, 08:34 AM   #2
Luke is offline Luke  New Zealand
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try a search for Australia in the title under loudspeaker category and browse the threads for usefull info.

http://www.diyaudio.com/forums/searc...der=descending


goodluck
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Old 22nd June 2006, 08:34 AM   #3
soongsc is offline soongsc  Taiwan
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Default Re: Inductors for Australian diyers?

Quote:
Originally posted by damo21
Hi, I'm trying to source some decent inductors with low DCR but not having much luck.
Can't really justify importing from Madisound for just a couple of parts. Maybe find some nice 14AWG copper wire and roll my own? I need a pair of fat 2.2mH inductors with <0.3ohms.
Any other suggestions would be awesome. What does everyone else do for crossovers? Cheers
I have used a few inductors from plain wire, foil, litz. at 2.0~2.2mH don't recall any having DCR lower than 0.3Ohms.
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Old 22nd June 2006, 09:01 AM   #4
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Try some of these :

Aranmar Acoustics

RzAudio

Soundlabs Group

W.A.R Audio

Acoustic Concepts
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Old 22nd June 2006, 09:01 AM   #5
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how much would you like to spend?
crikey!
Seriously though, I have some of those ERSE super Q's from parts express, they are very low resistance.
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Old 22nd June 2006, 01:02 PM   #6
rabbitz is offline rabbitz  Australia
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Could always try Rick at Equinox as he rolls his own (inductors not joints ) and in large wire sizes.
http://www.equinoxaudio.com.au/contact/index.php#nsw

Speakerbits also have the Solen Litz but not with a DCR that low.
http://www.speakerbits.com.au/Defaul...?cat=3&menu=42

I sell the Solen 1.6mm but DCR is 0R33 and you would need a larger wire to get below 0R3.
http://www.rzaudio.com/components.htm

Which ever way you go, they are not exactly cheap.
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Old 23rd June 2006, 12:35 AM   #7
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After months of searching myself the results are.

Rick at Equinox.

he uses 1.8mm round, or 3mm flat ribbon.

a 2.7mh in 1.8 was quoted to me as $44 each plus freight, and the 3mm (which I got, sexxxxx) are $131 each .16 ohm.
Have a look at the site in my sig, goto nsew -> my audio -> ektaclone for a few pics and info..

Or Solen 1.6mm at wes/rzaudio.

Sound labs do have 2mm but for 2.7 was going to be About $100 each..
Compare that with Ricks...
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Old 23rd June 2006, 03:07 AM   #8
damo21 is offline damo21  Australia
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Thanks guys, yep, looks like i'll be ordering from Rick.

0R16 fark man that thing must weigh a tonne! (4kg..) bet its worth it though. I can't justify that much money on xover components for my little project hehe.

I'm copying one of Zaph's designs. I hope it sounds as hot as it looks! Should go well with my recent Peerless XLS 12" cubic foot sub.

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Old 23rd June 2006, 03:25 AM   #9
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If I had not completed my speaker then I would choose to use a higher DCR inductor first and test the sound. 2.2mH would likely be used in the woofer and you could patch down your tweeter with a resistor to match. This will reduce the speaker efficiency and would have only a small or no impact on the sound if done properly. Once I like the speaker and fix the XO then I would get the low DCR ones. Presumed that you were not running a 300B or 2A3 amp the reduced efficiency should not be a big deal.

WES sells the Solen inductors but I am sure Rabbitz could get you the same stuff at a better price. If you need a lot of inductors you may directly order them from Solen.ca

Regards,
Bill
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Old 23rd June 2006, 03:37 AM   #10
damo21 is offline damo21  Australia
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Yep, I'm not going crazy with very low DCR yet, I just need an inductor that wont dissipate all the woofers grunt as heat i think $40 is a pretty good trade off for ~0.3ohms. I'll see how it goes. Thx
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