As the topic implies, my TF15 got a better, stronger performance on low pitch. However, de high pitch (eg violin) sounds less ... adorable and less tender (but maybe a more realistic reproduction? Not sure about this.) The wire is seriously seriously hard .... almost feels like a plastic ruler When You Touch It (still feels like a wire if you bend it of course). THEREFORE any fraction Creates a loud noise. . This can be tackled though by 'zipping' the wires closer to chin (I can not write this in German ... Entrudigung for another language: p)