30cm Tief-Mitteltöner mit Gusskorb und Neodymantrieb.

8Ohm, 500W, 50-4000Hz (empf. Trennung 2000Hz), 97dB/W/m. 77mm Schwingspule aus temperaturfestem Glasfiber. Xmax +/-6mm, Gewicht 4kg.

Empf. Gehäusevolumen 50-20l Bassreflex (-6dB @ 50Hz)

Ausgedehnter, sehr linearer Frequenzganz.

Nominal Specifications

• Nominal Diameter 12", 300 mm
• Overall Diameter 12.44", 316 mm
• Bolt Circle Diameter 11.75", 298.5 mm
• Baffle Cutout Diameter 11.18", 284 mm
• Depth 6.13", 155.75 mm
• Flange and Gasket Thickness 0.49", 12.45 mm

Electrical Specifications

• Minimum Impedance 6.4 Ohm
• Nominal Impedance 8 Ohm
• Nominal Power Handling*** 500 W
• Maximum Power Handling**** 1,000 W
• Sensitivity (1W/1m) 97 dB
• Frequency Range 45 - 4000 Hz
• Voice Coil Diameter 3", 77 mm
• Winding Material Aluminium
• Former Material Glass Fiber
• Winding Depth 0.71", 18 mm
• Magnetic Gap Depth 0.41", 10.5 mm
• Flux Density 1.2 T

THIELE & SMALL Parameters

• Resonant Frequency (fs) 45 Hz
• DC Resistance (Re) 5.1 Ohm
• BL Product (BL) 17.5 N/A
• Diaphragm Mass inc. Airload (Mms) 56 grams
• Mechanical Compliance of Suspension (Cms) 0.22 mm/N
• Rms 3.24 Kg/s
• Electromagnetic Q (Qes) 0.26
• Mechanical Q (Qms) 6.90
• Total Q (Qts) 0.25
• Compliance Equivalent Volume (Vas) 2.69 ft³, 76.2 dm³
• Surface Area of Cone (Sd) 76"², 490.4 cm²
• Maximum Linear Excursion (Xmax)* 7.25 mm
• Xdamage** 16 mm
• Coil Inductance (Le) 0.83 mH
• Diaphragm mass (Mmd) 50 g
• Eta Zero 2.5 %

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