12CXN76

Sensitivity (1 W / 1 m, infinite baffle): 97.6 dB
Frequency response: 45 – 18,000 Hz

Thiele & Small Parameters

Resonance frequency (Fs, free air): 42 Hz
Mechanical quality factor (Qms): 8.00
Electrical quality factor (Qes): 0.20
Total quality factor (Qts): 0.19

Large‑Signal Parameters

Maximum linear excursion (Xmax, one way): 6 mm
Air volume displacement at Xmax (Vd): 313 cm³

Power Handling

AES power handling: 350 W
Program power: 700 W

Voice Coil

Nominal impedance: 8 Ω
DC resistance (Re): 5.0 Ω
Inductance (Le @ 1 kHz): 0.8 mH
Voice coil diameter: 76 mm
Winding height (Hvc): 16.2 mm
Winding material: Copper
Former material: Glass fiber

Motor Assembly

Magnetic flux density (B): 1.15 T
BL factor: 17.6 N/A
Motor constant (BL / √Re): 7.87 N/√W
Air gap height (Hag): 8 mm
Magnet material: Neodymium ring

Diaphragm

Effective diameter: 258 mm
Effective radiating area (Sd): 522 cm²
Moving mass (Mms, including air load): 47 g
Moving mass (Mmd): 38.4 g
Cone treatment: Waterproof front side

Suspension Parameters

Stiffness (Kms): 3.27 N/mm
Compliance (Cms): 306 µm/N
Equivalent compliance volume (Vas): 120 L
Mechanical resistance (Rms): 1.55 N·s/m

Physical Dimensions

Nominal diameter: 12 in / 320 mm
Overall diameter: 315 mm
Baffle cutout diameter: 282 mm
Overall depth: 170 mm
Flange thickness: 14 mm
Mounting depth: 156 mm
Estimated driver displacement volume: 2.7 L
Net weight: 5.1 kg