Patent ID: 6647124
Filing Date: 2003-11-11
Classification: H04R

Abstract:
A loudspeaker with coaxial magnetic circuit for high-pitch sound and low pitch sound comprising:a) a supporting stand having a enlarged opening on a front; b) a damper connected to a rear of the supporting stand; c) a magnetic circuit having a T-shaped cap, an external cover covering the T-shaped cap and a ring shaped magnet connected between the T-shaped cap and the external cover, a first movement accommodating space and a second movement accommodating space are formed between the external cover and the T-shaped cap; d) a first sound coil connected to the damper on an outer circumference of a first end, and a second end of the first sound coil located within the first movement accommodating space; e) a cylinder positioned within the first sound coil and connected to the supporting stand at a first end and to the T-shaped cap of the magnetic circuit at a second end; f) a first diaphragm positioned within enlarged opening of the supporting stand, and connected to the first sound coil and to the supporting stand; g) a second sound coil located within the second movement accommodating space; and h) a second diaphragm positioned on the magnetic circuit and connected to the second sound coil.