Application:

Mid range loudspeaker cone Ø140 mm

Material description:

0.45mm Curv® polypropylene

Manufacturing process:

Produced using matched aluminum tooling in an Illig pressure forming machine (effectively a vacuum forming matching fitted with top and bottom tools).
Sheet fully clamped, heated to ~160ºC by quartz element platen heaters fitted top and bottom. Unheated tools reach ~ 80ºC during continuous cycling. Cycle time 80 seconds.

Advantages of using Curv®:

• improved acoustic performance
• self damping
• lightweight
• unaffected by moisture