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  • 21/01/2020

    Es wurde nicht das richtige Produkt geliefert. Die Bauanleitung ist nicht vorhanden. Der Verstärker funktioniert nicht. 1 IC-Sockel beschädigt.

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  • 27/11/2018

    This is an excellent soldering practicing kit. The board is intentionally made very solid so even inexperienced electronics engineer will not be able to overheat it or destroy in any other way. At the same time - the amplified works! The power is not very high (what would you expect from a board without even passive cooling, enclosed into the sealed plastic box?) Just don't forget to get somewhere an adequate power source. I've used the one from the old screwdriver.

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  • 01/08/2019

    Produit conforme à la description, bonne transaction

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  • 28/06/2019

    Good as an exercise in assembly. Needs symmetric voltage. Mine doesn't work.

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  • 10/01/2019

    all ithems ok

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  • 28/10/2018

    Il circuito amplificatore che mi è stato spedito, non mi è arrivato come nella foto in descrizione, ma bensì mancante del contenitore trasparente, della manopola di regolazione del volume e di uno schema di montaggio. Quest'ultimo non è così importante, visto che si riesce a saldare il tutto senza particolari problemi se si ha almeno un tester. Peccato che una volta montato il tutto e alimentato a 12 volt dc si è subito bruciato l'integrato di destra come nella foto sotto.

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  • 25/01/2019

    The amplifier does not work after the connection! Instead of metal rods they came plastic, not the same in the pictures, without the button for the potentiometer!

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