total diameter: 248mm
bore diameter: 49mm
height: 55mm
the membrane material: cellulose unpolished
material suspension: the foam polyurethane
for use in speakers Tonsil GDN 25/40/3 22/55 25/60 25/60/1 25/80 ...
total diameter: 248mm
bore diameter: 48,5mm
height: 47mm
the membrane material: cellulose unpolished
material suspension: the foam polyurethane
suspension glued from top the membrane
for use in ...
total diameter: 200mm
bore diameter: 26mm
height: 50mm
the membrane material: cellulose unpolished
material suspension: the foam polyurethane
for use in speakers Tonsil GDN GDS 20/10 GDN 20/30 20/30/1 ...
total diameter: 196mm
bore diameter: 27mm
height: 36mm
the membrane material: cellulose unpolished
material suspension: rubber
Applications include the speaker Tonsil GDN 20/40 20/40/14 20/40/10 20/40/8 20/50 etc.
