Schritt 6 übersetzen
Now you will need to find out the proper polarity of the speakers, i.e. which cable is negative (-) and which is positive (+).
Unfortunately – at the time where I did this conversion – I did not photograph the cable colors. But there is an easy trick to find out the polarity:
In this image you see two banana plugs and a AA battery. Just imagine these are two stripped wires from one of the speaker cables.