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Old 12th January 2010, 10:43 AM   #1
lem8r is offline lem8r  Ukraine
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Default Does anyone need custom power/output transformer?

You can order toroidal transformer build by you own specs.
All transformers are carefully hand wired at Tornado factory in Ukraine.

For example power tranny for 100W guitar tube amp (Plate, bias, heater voltages) would cost about 80-100 USD + shipping to US about 20-25 USD.

Higher power rating are better priced)

Here is mine 600VA power transformer for 6x6550 amp( cost me 180$ ) /crappy cell phone photo/
Click the image to open in full size.

on a test board:
Click the image to open in full size.

some other transformers:
Click the image to open in full size.


For output transformer you should specify Plate-to-Plate load, B+ voltage, Power rating, Bandwidth, Secondary winding configuration etc.. I can help you with calculations..

So, if you are interested just PM me, I give you all detailed info..


Have a Nice Day!
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Old 12th January 2010, 06:32 PM   #2
TheGimp is offline TheGimp  United States
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You might want to put some rubber gromets in t hose holes to protect the wire insulation.
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Old 12th January 2010, 08:09 PM   #3
lem8r is offline lem8r  Ukraine
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Quote:
Originally Posted by TheGimp View Post
You might want to put some rubber gromets in t hose holes to protect the wire insulation.
Yes, I agree it's not good, but it is only test board. As soon as I get my OT I'll move all this stuff to far more better chassis..

In any case you're right. 700V it's not a jokes..
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Old 13th January 2010, 01:15 AM   #4
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lem8r. I sent you a pm about this thread but your registered email address is invalid so I can only assume this is an advertisement.

Please post in "Vendor's Bazaar" in future and not in the discussion fora.
Thankyou.
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Old 13th January 2010, 07:44 AM   #5
lem8r is offline lem8r  Ukraine
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Quote:
Originally Posted by Iain McNeill View Post
... but your registered email address is invalid..
I think this is some mistake

Quote:
Originally Posted by Iain McNeill View Post
Please post in "Vendor's Bazaar" in future and not in the discussion fora.
Thankyou.
OK, no problems. Sorry!

Cheers!
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Old 2nd April 2012, 09:34 AM   #6
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I must add to this thread.

I have, for multiple trasformers, taken advantage from lem8r's source of poer /output transformers.

Here are some pics:

low voltage high current toroidals for large transimitting tubes, huge mercury rectifiers and HV transformer for all high voltages in a gu81m amp.
The construction is flawless, the transformers are exceptionally good underr load and show both low vdrop and excellent symmetry.

I will be using the output transformers too. I will then post frequency response plots to check the quality.
Lem8r is a great guy and will be a perfect middleman (if required).

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.
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