12A-1875P

@ 12 inch 8 ohm 500 watt SR LF driver unit.

@ 높은 신뢰성, 부드럽고 깊은 느낌의 저음.........

@ 특수 size ferrite magnet 높은 능률 실현......

@ 2중 형태의 견고한 Aluminium frame 사용....

@ 탄성이 우수한 코넥스 Spider 사용으로,........

 장기간 사용으로 인한 부식방지 및 탄력유지.

Specifications

 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