12XA30Nd

• Sensitivity (1 W / 1 m, infinite baffle): 96.5 dB
• Frequency Response: 40 – 20,000 Hz

Thiele & Small Parameters

• Resonance Frequency (Fs): 35 Hz
• Mechanical Quality Factor (Qms): 8.00
• Electrical Quality Factor (Qes): 0.22
• Total Quality Factor (Qts): 0.21

Large-Signal Parameters

• Maximum Linear Excursion (Xmax, one way): 6 mm
• Maximum Excursion Before Damage (Xlim): 28 mm
• Displaced Air Volume at Xmax (Vd): 318 cm³

Power Handling

• AES Power Handling: 350 W
• Program Power: 700 W

Voice Coil

• Nominal Impedance: 8 Ω
• DC Resistance (Re): 6.8 Ω
• Inductance (Le @ 1 kHz): 1.3 mH
• Voice Coil Diameter: 101.6 mm
• Winding Height (Hvc): 16 mm

Motor Assembly

• Force Factor (BL): 18.2 N/A
• Motor Constant (BL / √Re): 6.98 N/√W
• Air Gap Height (Hag): 9 mm

Diaphragm

• Effective Diameter: 260 mm
• Effective Radiating Area (Sd): 530 cm²
• Moving Mass (Mms, including air load): 47 g
• Moving Mass (Mmd): 38.3 g

Suspension Parameters

• Stiffness (Kms): 2.33 N/mm
• Compliance (Cms): 430 µm/N
• Equivalent Compliance Volume (Vas): 172 L
• Mechanical Resistance (Rms): 1.4 N·s/m

Physical Dimensions

• Nominal Diameter: 12 in / 300 mm
• Overall Diameter: 312 mm
• Baffle Cutout Diameter: 283 mm
• Overall Depth: 152 mm
• Estimated Driver Displacement Volume: 2.9 L
• Net Weight: 6.3 kg