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-   -   upgrade OPT for TU-8200 (https://www.diyaudio.com/forums/elekit/287390-upgrade-opt-tu-8200-a.html)

vkung 23rd February 2016 03:07 AM

upgrade OPT for TU-8200
 
https://i243.photobucket.com/albums/...ps4qmg89af.jpg

https://i243.photobucket.com/albums/...psuentkje0.jpg

https://i243.photobucket.com/albums/...psgdphb7a7.jpg

https://i243.photobucket.com/albums/...psegnjmfrz.jpg


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UrbanBoogie 26th February 2016 11:27 PM

Do you feel this upgrade makes a noticeable difference?

vkung 27th February 2016 02:37 AM

more bass.. I am testing another pair from Lundhal

HarryY 9th August 2017 03:51 AM

What was the upgrade?

vkung 9th August 2017 03:56 AM

Lundahl opt to replace the stock output transformer

UdoinDesert 4th September 2017 04:32 AM

Quote:

Originally Posted by vkung (https://www.diyaudio.com/forums/elekit/287390-upgrade-opt-tu-8200-a-post5152695.html#post5152695)
Lundahl opt to replace the stock output transformer

Which Lundahl transformer if I may ask.

Regards,
Udo

vkung 6th September 2017 05:21 AM

We found the interference from the R-core.. so we decided no OPT upgrade option for TU-8200

jhedlind22 9th July 2018 12:57 PM

What was the interference you discovered? The flux fields from the R-core affecting the larger output transformers?


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