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toroid and r-core
toroid and r-core
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Old 18th January 2013, 06:08 PM   #11
Telstar is offline Telstar  Italy
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Join Date: Dec 2007
Location: Italy
I think i could pickup a R-core transformer and compare it to my favourite potted toroid from Nuvotem/Talema.
This curiosity must be satisfied. For low power amplifiers (headphones or 2W max) they seem a valid option.
I can use ears and some basic measurements equipment - a 5,5 digits true rms DMM and a 50Mhz scope. If nothing else, this would be a good learning experience.

Edit: comparing with a screened and potted toroid would be interesting indeed.

These are the two transformers that I will be able to compare in the next few weeks, attached to AMB's sigma22 PSU:
1) http://it.rs-online.com/web/p/trasfo...633D424F544826
2) http://www.selectronic.fr/catalog/pr...ory/172666500/

Sorry for the long link from RS
"The response of the inner ear extends to at least 200khz" Dr W. Tempest

Last edited by Telstar; 18th January 2013 at 06:13 PM.
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Old 18th January 2013, 06:31 PM   #12
merlin el mago is offline merlin el mago
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I used both, now if I can afford all my buildings with R-Core.
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Old 18th January 2013, 06:45 PM   #13
f.pelosa is offline f.pelosa  Italy
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Telstar, I'm looking forward to read your impressions on the two transformers.
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Old 18th January 2013, 08:04 PM   #14
jacco vermeulen is offline jacco vermeulen  Netherlands
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Originally Posted by Telstar View Post
Superior in what?
Do a search for R-core and my name, plenty talk and example pictures.
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