SPECIFICATION


Nominal Basket Diameter
12", 304.8mm


Nominal Impedence*
8 ohms


Power Rating**


Watts
150W


Music Program
N/A


Resonance
89Hz


Usable Frequency Range
70Hz - 5.5kHz


Sensitivity***
102dB


Magnet Weight
59 oz.


Gap Height
70Hz - 5.5kHz


Voice Coil Diameter
0.31", 7.92mm




THIELE & SMALL PARAMETERS



Resonant Frequency (fs)
89Hz


DC Resistance (Re)
7.36


Coil Inductance (Le)
0.47mH


Mechanical Q (Qms)
10.02


Electromagnetic Q (Qes)
0.49


Total Q (Qts)
0.47


Compliance Equivalent Volume (Vas)
34.1 liters / 1.2 cu.ft.


Peak Diaphragm Displacement Volume (Vd)
42cc


Mechanical Compliance of Suspension (Cms)
0.09mm/N


BL Product (BL)
17.4 T-M


Diaphragm Mass Inc. Airload (MMs)
36 grams


Efficiency Bandwidth Product (EBP)
181


Maximum Linear Excursion (Xmax)
0.8mm


Surface Area of Cone (Sd)
519.5 cm2


Maximum Mechanical Limit (Xlim)
N/A




MOUNTING INFORMATION



Recommended Enclosure Volume


Sealed
Acceptable


Vented
Acceptable


Driver Volume Displaced
137.3 cu.in. / 2.25 liters


Overall Diameter
12.02", 305.3mm


Baffle Hole Diameter
10.97", 278.6mm


Front Sealing Gasket
Fitted as standard


Rear Sealing Gasket
Fitted as standard


Mounting Holes Diameter
0.25", 6.4mm


Mounting Holes B.C.D.
11.63", 295.4mm


Depth
5.2", 132mm


Net Weight
11.1 lbs, 5 kg


Shipping Weight
13.2 lbs, 6 kgs




MATERIALS OF CONSTRUCTION



Coil Construction
Copper voice coil


Coil Former
Polyimide former


Magnet Composition
Ferrite magnet


Core Details
Non-vented core


 
 


Basket Materials
Pressed steel basket


Cone Composition
Paper Cone


Cone Edge Composition
Paper cone edge


Dust Cap Composition
Zurette dust cap