Specifications(12A-1875P)

 01..Frame

.....material......................Steel

02..External size

.....Nominal Diameter.....12 inch/ 312 mm

.....Frame to enclosure...284 mm

.....Total height...............130 mm

.....Net Weight.................5.75 Kg

03..Special

.....Power (R.M.S)............300 watt ± 5%

.....Power (MAX)..............500 watt ± 5%

.....Nominal Impedance....8 ohm

.....S.P.L 1Watt/1Meter....92 dB ± 2%

.....Frepuency Range........35-3.5K Hz

04..Voice coil

.....Bobbin material.......Aluminium

.....In side diameter......76.50 mm ± 0.05mm

.....Out side diameter....77.20 mm ± 0.05mm

.....Wire material............Copper

.....Wire diameter...........0.24

.....Layer.........................Two fold

.....Width.........................12 mm ± 0.5mm

.....D.C.R..........................7.8 ohm

05..Vibration diaphragm

.....material................Pulp paper

.....Form.....................Corrugation Press plat cone type

06..Edge

.....Edge material........Urethane coat cotton

.....Edge shape............Free wave type

07..Damper

.....material.......................Conex-3

.....Form............................Large Corrugation

.....Height.........................10 mm

.....Elasticity(변위)................1.0mm/30g

.....Size(외경×내경)...................150×66.5mm

08..Plate

.....Top plate (외경×내경×두께).........156×78.4×8mm

.....Bottom column pole........75.3(직경)×28.5(높이)mm

.....Pole air hole....................30 mm

09..Ferrite Magnet

.....Size(외경×내경×두께)....................180×85×20