Nominal Specifications
Nominal Diameter 10", 250 mm
Overall Diameter 10.1", 256.8 mm
Bolt Circle Diameter 9.6", 243.8 mm
Baffle Cutout Diameter 9.2", 233.8 mm
Depth 4", 102 mm
Flange and Gasket Thickness 0.31", 8 mm
Electrical Specifications
Minimum Impedance 6.8 Ohm
Nominal Impedance 4 Ohm
Nominal Power Handling*** 150 W
Maximum Power Handling**** 300 W
Sensitivity (1W/1m) 96 dB
Frequency Range 50 - 4,500 Hz
Voice Coil Diameter 1.45", 37 mm
Winding Material Aluminium
Former Material Kapton
Winding Depth 0.47", 12 mm
Magnetic Gap Depth 0.31", 8 mm
Flux Density 1 T
THIELE & SMALL Parameters
Resonant Frequency (fs) 55 Hz
DC Resistance (Re) 5.9 Ohm
BL Product (BL) 8.2 N/A
Diaphragm Mass inc. Airload (Mms) 24.4 grams
Mechanical Compliance of Suspension (Cms) 0.3 mm/N
Rms 0.74 Kg/s
Electromagnetic Q (Qes) 0.9
Mechanical Q (Qms) 12
Total Q (Qts) 0.8
Compliance Equivalent Volume (Vas) 1.52 ft³, 43.3 dm³
Surface Area of Cone (Sd) 49.8"², 321.3 cm²
Maximum Linear Excursion (Xmax)* 4.7 mm
Xdamage** 10.4 mm
Coil Inductance (Le) 0.42 mH
Diaphragm mass (Mmd) 21.14 g
Eta Zero 0.95 %
Notes
*Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
**Maximum excursion before permanent damage
***2 Hours Test According to AES 2-1984 Rev. 2003
****Maximum power is defined as 3dB greater than nominal power
