Nominal Specifications Nominal Diameter 3“, 80 mm Overall Diameter 3.1“, 81 mm Bolt Circle Diameter 3.62“, 92 mm Baffle Cutout Diameter 2.9“, 73.6 mm Depth 1.55“, 46 mm Flange and Gasket Thickness 0.26“, 6.5 mm Electrical Specifications Minimum Impedance 6.2 Ohm Nominal Impedance 8 Ohm Nominal Power Handling*** 20 W Maximum Power Handling**** 40 W […]
Nominal Specifications
- Nominal Diameter 3“, 80 mm
- Overall Diameter 3.1“, 81 mm
- Bolt Circle Diameter 3.62“, 92 mm
- Baffle Cutout Diameter 2.9“, 73.6 mm
- Depth 1.55“, 46 mm
- Flange and Gasket Thickness 0.26“, 6.5 mm
Electrical Specifications
- Minimum Impedance 6.2 Ohm
- Nominal Impedance 8 Ohm
- Nominal Power Handling*** 20 W
- Maximum Power Handling**** 40 W
- Sensitivity (1W/1m) 91 dB
- Frequency Range 100 – 20,000 Hz
- Voice Coil Diameter 0.75“, 19 mm
- Winding Material Aluminium
- Former Material Kapton
- Winding Depth 0.26“, 5 mm
- Magnetic Gap Depth 0.2“, 4 mm
- Flux Density 1.5 T
THIELE & SMALL Parameters
- Resonant Frequency (fs) 110 Hz
- DC Resistance (Re) 6.2Ohm
- BL Product (BL) 4.5N/A
- Diaphragm Mass inc. Airload (Mms) 2.4 grams
- Mechanical Compliance of Suspension (Cms) 0.7 mm/N
- Rms 0.35 Kg/s
- Electromagnetic Q (Qes) 0.5
- Mechanical Q (Qms) 5
- Total Q (Qts) 0.45
- Compliance Equivalent Volume (Vas) 0.03 ft³, 0.95 dm³
- Surface Area of Cone (Sd) 4.5“², 29.4 cm²
- Maximum Linear Excursion (Xmax)* 1.8 mm
- Xdamage** 7.3 mm
- Coil Inductance (Le) 0.15 mH
- Diaphragm mass (Mmd) 2.3 g
- Eta Zero 0.28 %
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
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