SUBWOOFER>
F1-WF10D2 F1-WF12D2 .
F2-WF10D2 F2-WF12D2 SQ 90 MM
F2-WF10D4-145 F2-WF12D4-156 F2-WS10D4
F3-WF10D4-156 F3-WF10D4-180 F3-WF10D4-220
F3-WF12D4-156 F3-WF12D4-180 F3-WF12D4-220
F3-WF12D2 F3-WF15D4-220 F3-WF15D2
F3-WS10D4 F3-WS12D4 F3-S8 TO GO
   F1-WF12D4
    SUBWOOFER

SPECIFICATION:

GENERAL SPECIFICATIONS
Nominal Diameter: 12 inch
Rated Lmpedance: 4+4 ohms
Operating Bandwidth: 20-800 hz(-6dB)
Power Handling Capacity: 500 Watts
Sensitivity (1W/M): 94 dB(+-3dB)
Voice Coil Diameter: 2.5 inch

THIELE-SMALL PARAMRTERS

Resonance Frequency Fs: 30.2 HZ
DC Resistance Re: 3.4 ohm+3.4 ohm
Mechanical Q Factor Qms: 4.1695
Electrical Q Factor Qes: 0.4683
Total Q Factor Qts: 0.421
Equivalent Cas air load Vas: 67.8816 L
Surface Area of Cone Sd: 0.0491 m2
Efficiency Bandwidth Product EBP 71.73
Voice Coil Over Hang X-max 9 mm

PHYSICAL INFORMATION
Basket: Chrome-Plated Steel Basket
Magnet Type: 50+50 OZ
Cone Material: Non-Press Paper Cone
Surround: Foam
Dust Cap: PP
Damper: cloth




DUST
CAP

Innovative
Dustcap form
of reinforced
polypropylene for
optimal fregvency
response

WOOFER
CONE

Coated air - dried
natural fiber cone
for authentic sound
Reproduction

SPIDER

Lineaer Ventea
Nomex Spider
to prevent
cornpression
problem

SURROUND

special Big Surround
for control cone
motion and minimal
distortiun

MAGNET

Optimized Ferror
double magnet
for high seneitivity
and low fregurncy
Respornc


TERMINAL

Push Terminal
for Heavy-duty
and large diameter
speaker cable

   
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