MOD 12-50

General Characteristics 
Nominal Overall Diameter  306 mm  12 in 
Nominal Voice Coil Diameter  32 mm  1.25 in 
Magnet Weight  426 g  15 oz 
Overall Weight  4.05 lbs 
Flux Density  1.10 T 

Thiele-Small Parameters 
Voice Coil DC Resistance  RE  6.30 Ω 
Resonance Frequency  ƒS  82 Hz 
Mechanical Q Factor  QMS  7.5
Electrical Q Factor  QES  1.73
Total Q Factor  QTS  1.4
Mechanical Moving Mass  MMS  29.4 g 
Mechanical Compliance  CMS  129 µm/N 
Force Factor  BxL  7.43 Wb/m 
Equivalent Acoustic Volume  VAS  43.6 lt. 
Maximum Linear Displacement  XMAX  1.5 mm 
Reference Efficiency  nO  1.33 % 
Diaphragm Area  SD  490.9 cm2 
Losses Electrical Resistance  RES  28 Ω 
Voice Coil Inductance @ 1kHz  LE  0.66 mH 

Constructive Characteristics 
Magnet  Ferrite 
Voice Coil Winding  Copper 
Voice Coil Former  Epotex
Cone  Paper 
Surround  Integrated Paper
Dust Dome  Non Treated Cloth 
Basket  Pressed Sheet Steel 

Electrical Characteristics 
Nominal Impedance  8 Ω 
Rated Power  50 W 
Musical Power  100 W 
Sensitivity@1W,1m  94.3 dB

$ 74.00

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