The Contour 1.3 uses an older Esotec tweeter that has a ferrite magnet. The newer Focus 140 uses the updated tweeter that sports a neodymium magnet
Dynaudio Contour 1.3 SE Tweeter:
28mm Soft Dome Tweeter .
Magnaflux-damped.
Pure aluminum wire voice coil.
Hybrid Double magnet system (neodymium/ferrite) with rear chamber.
And, yes, the magnet DOES matter. It allows two very important things in this case. 1)the range is extended beyond 20kHz
Both 1.3SE and focus 140 have frequency response 25kHz (+/-3dB)
Dynaudio Contour 1.3 SE Tweeter:
28mm Soft Dome Tweeter .
Magnaflux-damped.
Pure aluminum wire voice coil.
Hybrid Double magnet system (neodymium/ferrite) with rear chamber.
And, yes, the magnet DOES matter. It allows two very important things in this case. 1)the range is extended beyond 20kHz
Both 1.3SE and focus 140 have frequency response 25kHz (+/-3dB)