CAPITAL RADIO Produces and uses high quality diaphragms for driver units. Specially shaped diaphragms are designed to produce good and wide range frequency response. Voice coil is precision wounded. The former used is POLYIMIDE FILMS unless specified. Along with reinforced Phenolic diaphragms, and precision voice coil the assembly is rugged and dependable.

CAPITAL manufactures widest range of diaphragms. Diaphragms are available in single or fifty diaphragms packing. Self centring design makes it very easy to replace.

All diaphragms made are in 16 ohms unless specified. POLYIMIDE FILMS wound voice coils have higher power handling capacity compared to aluminium and paper. POLYIMIDE FILMS being lighter in weight compared to aluminium produces better frequency response