total diameter: 98mm
bore diameter: 21mm
height: 16mm
the membrane material: cellulose unpolished
material suspension: the foam polyurethane
for use inter alia in the speakers Tonsil GDM 10/60 10/60/2 10/60/4 10/80 ...
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: 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 ...
