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

© Copy right 2007 New Melon Sound Expert All right reserve.