JimPA
Distinguished Member
Retrovert I am sure you know surrounds also absorb cone resonances.
When it comes to the sound of a driver the voice coil former shouldn't impart any coloration.
IMHO kapton formers give a plastic like sound at high spl.
speaker.htm
Over the years the former Speaker Builder publication, Audio Express and Voice Coil have published great articles on this subject.
A-Look-at-Voice-Coil-Collars
The whole point of my first post on this thread is for one not to disregard a certain speaker or driver just because it doesn't have a cast frame.
A few years back RayW. stated his opinion on the cast versus stamped frame issue.
According to Ken Kantor Nomex is rarely used now except when extremely high power applications require it.
When it comes to the sound of a driver the voice coil former shouldn't impart any coloration.
IMHO kapton formers give a plastic like sound at high spl.
speaker.htm
Over the years the former Speaker Builder publication, Audio Express and Voice Coil have published great articles on this subject.
A-Look-at-Voice-Coil-Collars
The whole point of my first post on this thread is for one not to disregard a certain speaker or driver just because it doesn't have a cast frame.
A few years back RayW. stated his opinion on the cast versus stamped frame issue.
According to Ken Kantor Nomex is rarely used now except when extremely high power applications require it.