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Old 5th August 2012, 03:45 PM   #1
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Location: Santa Fe, Argentina
Default tube transformer suppliers in Mercosur

Hi, this is mainly for fellow members based in Mercosur
I was collecting info on transformer winders that operate within the Mercosur zone, for obvious reasons of avoid transport and import overtaxes cost.
So long I have collected a little handfull of links.
If someone can point any other sources, it will be of great interest
Thanks in advance

Transformadores para salida de Audio Push-Pull Amp Valvulares | Computadoras - Electrónica

Amplificadores valvulares Saint Vith

.:: Bazzi Amplifiers - Transformadores para equipos valvulares ::.

...and Proffesor Orioli, Santa Fe city based winder, former Phillips Argentina laboratory technician, very skilled on the matter. (works only by individual order, and you has to be prepared for medium to long waiting times)
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Old 5th August 2012, 08:20 PM   #2
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Join Date: Aug 2009
Location: Brazil
Surely you are well served with these four manufacturers, hard to find this in all my country.
In my city there is only power transformers builders, they are fully unaware of OPT.
In hi-fi area I know only this small builder below, in 2003 he made some 6C33 15W Stereo SET amps rewiew by a local magazine and received the grade ''Gold Best Buy''.
HOME Schmaedecke
The OPT in this amp was a commercial silicium toroidal core with copper wire.
Seems to me the amps sales have been low as the price was over 6K dollars (Gulp!).
Good Luck

Last edited by FullRangeMan; 5th August 2012 at 08:30 PM.
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Old 10th August 2012, 07:10 PM   #3
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Hi, just read this. I was hoping on Brazil, such a giant industrial country.
Sad to hear these bad news.
So, the tube situation in Argentina, is comparatively better..
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Old 11th August 2012, 06:38 PM   #4
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Join Date: Aug 2009
Location: Brazil
This is sad but true.
To listen low grade music as Samba, Pagode e Sertanejo not need hi-fi or even mid-fi, a low grade boom box is suited.
Unfortunately the fullrange drivers and tube amps fans are just a hand full of audiophiles, maybe some thousand people.
The brazilian audiophiles and music lovers do not accept local hi-fi brands, they think a foreinger equip is always better.
And when one talk in DIY his own tube amp they discredit.
Iam unaware of it, but maybe there is some OPT expert in a small shop, but no offer OPT for sale.
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Old 17th August 2012, 01:41 AM   #5
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Full range there are some very capable transformer manufacturers in Brazil. I would recommend Tecnotrafo , which design and produces high end transformers at your specs. Some of their transformers are used in products rated as class A by stereophile magazine .
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Old 17th August 2012, 07:45 PM   #6
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Google was friendly again..

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Old 18th August 2012, 04:46 PM   #7
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you can use just a power supply transformer as output transformer. For class B operation look for a transformer with 2 identical primair windings. The are intended to use in serie or paralel for 110 and 220 volt operation..
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Old 18th August 2012, 07:13 PM   #8
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Location: Mar del Plata, a BIG seasonal getaway city, can see the Ocean from our residence.
There are lots of 220-110 autotransformers here, but I cant seem to configure them for anything useful...........but there are tubes available, especially for those who save them from being thrown out as me.

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Old 18th August 2012, 07:16 PM   #9
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Location: Rosario, Santa Fe, Argentina

JORGE HOSTEIN (011-46232423) xxxxx recipients email address removed xxxx


Last edited by Mooly; 18th August 2012 at 07:22 PM. Reason: Email address of 3rd party removed
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Old 18th August 2012, 07:19 PM   #10
Mooly is offline Mooly  United Kingdom
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HI ROBOTECH WE can hear you ok... it's the key on the lefthand side
Installing and using LTspice. From beginner to advanced.
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