T12-7544-Y190-A4, 12" Coaxial Transducer, 75mm voice coil

PRECISION TRANSDUCERS

T12-7544-Y190-A4

COAXIAL WOOFER

FEATURES

n  75mm voice coil Low frequency and 44mm voice coil Hi frequency

n  700 Watt continuous program power handling

n  Sensitivity 97 dB (LOW), 109 dB (HI)

n  Frequency range 43.8Hz-3KHz (LOW), 900Hz-18KHz (HI)

n  BL of 13.5824 Txm to provide a faster and accurate low frequency

SPECIFICATIONS (General specifications)

NOMINAL DIAMETER: 12 inch / 320 mm                             RATED IMPEDANCE: 4 ohm

AES POWER HANDLING: 350 W                                         MAX. POWER HANDLING: 700 W

SENSITIVITY: 109.0 dB                                                             FREQUENCY RANGE: 43.8 Hz-3KHz

MINIMIM IMPEDANCE: 3.5 ohm                                             VOICE COIL DIAMETER: 2.95 inch / 75 mm 

VC WINDING MATERIAL: Copper                                         MAGNETS: Ferrite

OVERALL DIAMETER: 320 mm / 12 inches                       

Thiele - small parameters

RESONANCE FREQUENCY (FS): 43.8 Hz                 DC RESISTANCE (RE): 3.50 ohm

MECHANICAL FACTOR: 10.75 Qms                          ELECTRICAL FACTOR (QES): 0.347 Qes

TOTAL FACTOR: 0.3361 Qts                                        BL FACTOR (BL): 13.5824 T x m 

EFFECTIVE MOVING MASS (MMS): 59.4144 g          EQUIVALENT CAS AIR LOADED (VAS): 78.0723 liters 

EFFETTIVE PISTON AREA (SD): 0.0531 m2             VOICE COIL INDUCTANCE @ 1KHZ (LE1K): 36.5915MH