Specification
Type ： 18 inches fixed edge tyoe corn paper woofer
| Type | field coil magnet type |
| Caliber of cone paper | 18 inches |
| Maz Input | 25 W |
| Voice coil Impedance | 11.7 Ω(400Hz) 15 Ω (1 kHz) |
| Size | φ460 × D: 259 [mm] |
| Weight | 20 kg |
| Field coil power supply | 24V / 1.25 A |
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Large-diameter
cone paper of GIP-4601 is press-molded after combing softwood pulp
material, and it is very light.
The
edge is a fixed-edge which is integrally molded with the cone paper,
has very fast sound reaction against audio signal.
The
structure of the voice coil is a double-winding structure of aluminum
wire. Its bobbin is made of paper, it has equally spaced holes
drilled in order to pull out the exhaust pressure generated by the
amplitude of the cone paper.
Damper
mounted in cone paper base is adopted a special craft paper which has
been pressed in wave form.
As
GIP-4601 magnetic circuit, field exciting coil is installed there. A
high purity pure iron is used for body and top plate, it has been
achieved very high magnetic efficienct.
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