Hifi-advice.com (EN)
Diptyque dp107
"No doubt, the DP-107’s owe a good deal of their fantastic performance to the tweeter’s Neodymium magnets and the woofer’s Push-Pull Bipolar Magnet technique. For one, this makes it possible to produce bass of this quality and depth from a relatively small panel, and second, it enables a level of expression and immediacy that I have not yet heard from other ribbon speakers." Christiaan Punter HFA