UW 958

UW 958

Ultimate Woofer,Ø 9″, Ø 5.1″ VC , 8Ω, 500W , 85.8dB, FS 28Hz, QTS 0.35 , VAS 39.5LT, XMAX ± 11.5mm (0.45″)

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Overall Dimensions
Nominal Power Handling (DIN) P500W
Transient Power 10ms1500W
Sensitivity 2.83V/1M 85.8 dB SPL
Frequency Response See graph
Cone/Dome Material Composite cellular fiber
Net Weight Kg5.95
Nominal Impedance Z
DC Resistance Re6.2Ω
Voice Coil Inductance @ 1KHz LBM1.32mH
Voice Coil DiameterDIA130mm (5.1")
Voice Coil Height 35mm (1.37")
HE Magnetic Gap Height HE12mm (0.47")
Max. Linear Excursion X± 11.5mm (0.45")
Voice Coil Former Aluminum
Voice Coil Wire Hexatech™ Aluminum
Number Of Layers 2
Magnet System Type High flux double ferrite vented
B Flux Density B0.64 T
BL Product BXL13 N.A
Suspension ComplianceCms0.47mm/N
Mechanical Q FactorQms1.61
Electrical Q FactorQes0.45
Total Q FactorQts0.35
Mechanical ResistanceRms7.374Kg/s
Moving MassMms65.5 g
Eq. Cas Air Load (liters)VAS39.5 Lt
Resonance FrequencyFs28 Hz
Effective Piston AreaSD243 cm ²

Product Information

Features

Uniflow™ Aluminum diecast chassis
High flux double Ferrite magnet system
5.1″ Large Hexatech™ Aluminum voice coil
One-piece paper cone/center dome
Accucenter™ self-centering cone assembly
PFS™ Progression Field Symmetry spider/surround engineering

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