12" Polypropylene Cone  (400-1026A)   Specifications   Faxback Doc. # 15876
Woofer

Nominal Impedance:...................................................8 ohms
Frequency Response:.........................................30 Hz - 3000 Hz
Free Air Resonance (Fs) Frequency:....................................25 Hz
Infinite Baffle Resonance Frequency:..................................23 Hz
Piston Area (SD):.................................................0.0523 m2
Rated Power Input - Nominal:...........................................50 W
RMS Thermal Power Limit (PMAX):.......................................100 W
Flux Density (BL):..................................................6.66 TM
DC Voice Coil Resistance (RE, ohms):...............................5.6 ohms
Voice Coil Inductance (LVC at 1 kHz):...............................0.45 mH
SPL:......................................................88 +/- 2 dB/1W/1m
Moving Mass (Mms):...................................................61.5 g
Electrical Q Factor (QES):.............................................1.13
Mechanical Q Factor (QMS):.............................................3.13
Total Q Factor:........................................................0.83
Equivalent Acoustic Volume (VAS):..................................297.19 I
Mechanical Suspension Compliance (CMS, UM/N):......................766 UM/N
Mechanical Mass of Cone Assembly and Free Air Load:.................61.46 g
Mechanical Mass of Cone Assembly Only:..............................54.59 g
Peak-to-Peak (maximum) Linear Excursion:............................2.90 mm
Cutout:...............................................10 1/4 Inches/28.5 cm
Depth:.................................................5 1/4 Inches/14.3 cm
Power Handling:................................................50 Watts RMS
Magnet Weight:......................................................17.7 oz
Speaker Weight:.....................................................72.9 oz

Specifications are typical; individual units might vary.  Specifications
are subject to change and improvement without notice.


(ALL-07/13/95)