Nominal Basket Diameter 12" 305mm
Nominal Impedance 8 ohm
Nominal Power Handling (AES) 350W
Continuous Power Handling 700W
Resonance 50HZ
Usable Frequency Range 50HZ-2.5KHZ
Sensitivity 94.5 dB
Magnet Weight NEODYMIUM
Voice coil (TIL) 3" 75.5mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 50HZ
DC Resistance Re 5.8 ohm
Mechanical Q Qms 10.23
Electromagnetic Q Qes 0.43
Total Q Qts 0.42
Compliance Equivalent Volume VAS 52.58 Ltr
Mechanical Compliance of Suspension (Cms) 132.87um/N
BL Product BL 17.5  T-M
Diaphragm Mass Inc.Airload Mms 71 grams
MOUNTING INFORMATION 
Overall Diameter 315mm
Baffle Hole Diameter 285mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 297mm
Depth 147mm
Net Weight 3.7 kg
Shipping Weight 4.5 kg

Packing Size: 665x335x350mm (4PCS)

20”/1440pcs  40”/2980pcs  40”H/3480pcs