customer toriod: where can I have mine winded? - diyAudio
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Old 27th June 2007, 03:07 PM   #1
jarthel is offline jarthel  Australia
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Default customer toriod: where can I have mine winded?

I looked at RS and Farnell and they do not have anything below 40VAC on their 600VA transformer range.

Can someone point to an australian winder?

Thank you very much for the help
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Old 29th June 2007, 01:35 AM   #2
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You already asked this in another thread. And you had three people reply saying Harbuch.
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Old 29th June 2007, 03:02 AM   #3
jarthel is offline jarthel  Australia
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Quote:
Originally posted by Cloth Ears
You already asked this in another thread. And you had three people reply saying Harbuch.

the other thread is about 'powertrans' transformer and people has decided to make suggestions of other transformers to get
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Old 29th June 2007, 05:23 AM   #4
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Well, you are right. But if you want to get response on this forum, then you should acknowledge it. Also, if you're from Australia, then you should indicate this on the subject of your thread, that way it doesn't waste peoples time from all over the world.
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Old 29th June 2007, 07:34 AM   #5
jarthel is offline jarthel  Australia
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lots of members have their transformers winded overseas

I had mine done several projects ago.

BUT you are right. In this instance, I was after a local winder.

i apologise any confusion it may have cause
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Old 29th June 2007, 07:50 AM   #6
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AND my apologies if I appear a bit narky. You sound like a good sort. Keep us appraised of the progress of your amp.

Maybe start a thread in the Pass, Solid State or tube amp forum (I don't know what type you're doing... sorry).

PS Grey (Rollins) has a lot of knowledge, as do some others on this site - way more that I'll ever know. If you're doing a PAss amp, then even Nelson Pass might chip in...
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Old 29th June 2007, 07:51 AM   #7
Hartono is offline Hartono  Indonesia
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Old 2nd July 2007, 07:56 AM   #8
AndrewT is online now AndrewT  Scotland
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Hi,
If your start with a toroid you can always wind your own secondary.
Buy 1 kilo or so of enamelled copper wire. You may find bi-fillar winding to be quite difficult to do by hand but if you don't parallel windings then single windings are OK.
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Old 2nd July 2007, 09:57 AM   #9
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Default Re: customer toriod: where can I have mine winded?

Quote:
Originally posted by jarthel
40VAC on their 600VA transformer range.



I agree with Andrew. With such low voltages get any transformer with the desired power rating and a working primary. Test how many windings per volt you need (not many: 3-4) and wind you own secondary using appropriately thick wire. If it's a single low voltage secondary the wire will be very thick.

This is what i often do for heater transformers: use a surplus toroid and put all the heater widings on top of the existing secondary - a fast and cheap way to get 2.5v centretapped per example.
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Old 2nd July 2007, 11:34 AM   #10
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Not sure of the exact regs here, but I'm pretty sure that if it's mains connected, then it also needs to be fused. If it continues to work, then you're OK, but if iut fails and it's not fused then you can be up for some pretty hefty costs.

Not an area I'd recommend going into...
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