8" Dual-Voice-Coil  (400-1348A)    Specifications      Faxback Doc. # 15868
Subwoofer

Nominal Impedance:.........................................4/8 ohms +/- 15%
Frequency Response:...........................................40 Hz-2500 Hz
Free Air Resonance (Fs) Frequency:....................................40 Hz
Infinite Baffle Resonance Frequency:..................................39 Hz
Piston Area (SD):.................................................0.0214 m2
Rated Power Input - Nominal:...........................................50 W
RMS Thermal Power Limit (PMAX):.......................................100 W
Flux Density (BL):..................................................5.17 TM
DC Voice Coil Resistance (RE, ohms):...........................2.9/5.5 ohms
Voice Coil Inductance (LVC at 1 kHz):..........................0.49/0.50 mH
SPL:...................................................87/85 +/- 2 dB/1W/1m
Moving Mass (Mms):..................................................25.98 g
Electrical Q Factor (QES):.........................................0.72/1.4
Mechanical Q Factor (QMS):.............................................3.26
Total Q Factor:...................................................0.59/0.97
Equivalent Acoustic Volume (VAS):....................................36.8 I
Mechanical Suspension Compliance (CMS, UM/N):...................561.28 UM/N
Mechanical Mass of Cone Assembly and Free Air Load:.................25.98 g
Mechanical Mass of Cone Assembly Only:..............................24.18 g
Peak-to-Peak (Maximum) Linear Excursion:............................3.35 mm
Cutout:..................................................7 Inches (17.8 cm)
Depth:...............................................3 7/16 Inches (8.7 cm)
Power Handling:................................................50 Watts RMS
Magnet Weight:........................................................18 oz
Speaker Weight:....................................................54.31 oz

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


(ALL-07/13/95)

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