Piyano Sound Industries manufactures Self Centered Diaphragm with Aluminum Voice Coil. Piyano Sound Industries is an ISO 9001:2008 registered company. Piyano Sound Industries supplies high definition sound systems and musical instruments. Self Centered Diaphragm with Aluminum Voice Coil is used in driver units which are specially shaped, re-enforced phenolic diaphragm with precision voice coil with captain/paper bobbin for good heat dissipation. Self Centered Diaphragm with Aluminum Voice Coil is well known for their wide frequency response and reliability. These diaphragms are also available in other models which include self centered [golden] and uncentered [silver].
