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Note :
Date :
2026-05-26

Michel R.

Très bon ampli casque
Après quelques semaines de "rodage", le TA20 Plus donne sa mesure : puissant, musical, dynamique, parfaitement...
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Note :
Date :
2026-05-26

Philippe C.

Vraie référence parmi les câbles de haute qualité . Modèle d'équilibre .
Il est tellement équilibré que je l'ai mis en liaison pré / bloc , lecteur cd/pré , tuner/pré et sources / intégré tubes...
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Note :
Date :
2026-05-26

Mihai Radu T.

Good solid upgrade to try before going up to expensive PSUs
I will start by saying that the use case for my RPi4B is as a DLNA server.
meaning i have a usb ssd where i store my music,...
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R-CORE Transformer 30VA 2x9V - reviews - There are 4 reviews.

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Note :
Date :
2021-05-16

Francois R.

qualité pas au niveau de ce qu'on attend d'Audiophonics
reperage et qualité des fils de sorties laissant à désirer. Pour cabler en parallele les 2 sorties, il faut faire plusieurs tests et plusieurs mesures. Hum present apres mise en parallele des sorties, donc qualité et symetrie du bobinage pas tres bonne.
 (1)
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Note :
Date :
2020-03-21

Bernard H.

très bon choix
Transformateur d'excellente qualité : bon rendement (chauffe très peu) ; écran électrostatique efficace ; tension secondaire qui reste stable à pleine charge et accepte même une petite surcharge momentanée. A recommander sans réserve.
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Note :
Date :
2019-07-07

Michalis B.

Make a change!
If you working on electronics about 35 years (like me for example) you have a lot of chances to see new things!
One of these things was that, to replace my toroid transformer in my 20 years preamplifier (Diy Hi-End) with R-CORE.
The reasons was two!
First, when i put my ears very close to toroidal trafo, i was hear hum noise!
In the past i never checked to hear that, and second reason after a lot of reviews all around the audio forums, i was thinking that, it is not a bad idea with this little cost to make a change!
Everything for experiments! That's the life!
About results?
The most important there is no hum noise, second i am not sure but i believe something has change to the better way!
 (1)
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Note :
Date :
2018-08-04

Markus F.

good choice
bought this transformer together with the linear power supply 12220 from this shop for an audio streamer made with a raspberry pi 3 and hifiberry dac pro .
it is working perfect for me,no humming or other disturbing noise and enough power to work with raspi,dac and the 7 inch official display.
even that i do not have "golden ears" i was able to hear a difference between this power supply and the Meanwell power supply i used before.
i will buy this transformer again for further projects.

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