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: 115mm
bore diameter: 21mm
height: 17mm
the membrane material: cellulose unpolished
material suspension: the foam polyurethane
for use in speakers Tonsil GDM 12/60 12/60/2 12/60/4 12/80 etc.
