So I thought I would throw out this inquiry here where to find C cores and accessories in DIY quantities, ie. first and foremost a set of bare cores for a pair of diy transformers for tube output, but also ready made opt's is considered as well, and am residing within EU.
Have looked around Ali express but didn't find much, eBay had a few, one supplier, http://www.ebay.com/usr/vintage_audio_lab, from Taiwan supplying C core made of Hitachi amorphous looks interesting.
Any other reasonably priced suppliers?
Cheers Michael
Have looked around Ali express but didn't find much, eBay had a few, one supplier, http://www.ebay.com/usr/vintage_audio_lab, from Taiwan supplying C core made of Hitachi amorphous looks interesting.
Any other reasonably priced suppliers?
Cheers Michael
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there is one:
Transformer_James transformer-custom toroidal transformer|R core transformer|O core transformer|C core transformer|EI transformer
Softone makes R-Core OT:
Softone AUDIO PRODUCTS
Transformer_James transformer-custom toroidal transformer|R core transformer|O core transformer|C core transformer|EI transformer
Softone makes R-Core OT:
Softone AUDIO PRODUCTS
You can get some C-cores from me, I have a few dozen SG76 and SG89, bobbins for EI and some M also but not for the C-cores I have
PieterT gave me a supplier who is based in china, you can pm him for the address...
my pc crashed, so i am not sure if i still have it..
my pc crashed, so i am not sure if i still have it..
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Michael,
i was lucky with a local second-hand shop. I found enough outstanding Vacuumsmeltze C-cores with 0.1mm lammination.
Try it near you .... it might be something. 🙂)
euro21 is right, James is done with his excellent audio transformers.
i was lucky with a local second-hand shop. I found enough outstanding Vacuumsmeltze C-cores with 0.1mm lammination.
Try it near you .... it might be something. 🙂)
euro21 is right, James is done with his excellent audio transformers.
some info on the "Silicore" (Westinghouse?) double C-cores I have to offer:
SG76/32 (same as FA-U32, HWR-40/20, Q7.3)
secondary power 110VA 50Hz.
SG89/38 (same as FA-V38, HWR-50/24, Q8.3)
secondary power 220VA 50Hz.
The cores are individually numbered and cut surfaces are protected.
There is some surface rust under the protection because the otherwise clear protection turned dark (I do not want to peel the protection off on each off them)
I used some unprotected and rusted ones for chokes without problems (after rust removing).
I can give more technical details to those interested.
SG76/32 (same as FA-U32, HWR-40/20, Q7.3)
secondary power 110VA 50Hz.
SG89/38 (same as FA-V38, HWR-50/24, Q8.3)
secondary power 220VA 50Hz.
The cores are individually numbered and cut surfaces are protected.
There is some surface rust under the protection because the otherwise clear protection turned dark (I do not want to peel the protection off on each off them)
I used some unprotected and rusted ones for chokes without problems (after rust removing).
I can give more technical details to those interested.
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Unfortunately Pieter has deactivated his account here on diyA, and on his webpage it appears from the message that due to his age he prefers to withdraw back to a calmer lifestyle, but if you happen to find info on the cores then please reply or pm me, thanks.
hold on, i may have his email, if i find it i will forward the email to you... can you pm me your email address please...
i remember now, it is the one posted in post #7: , the same one PieterT sent me .....
Amorphous C Cutting Core - (AMCC), Amorphous C Cutting Core - (AMCC) direct from Guangzhou Amorphous Electronic Technology Co., Ltd. in CN