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″)

Overall Dimensions
Nominal Power Handling (DIN)P500W
Transient Power 10ms1500W
Sensitivity 2.83V/1M85.8 dB SPL
Frequency ResponseSee graph
Cone/Dome MaterialComposite cellular fiber
Net WeightKg5.95
Nominal ImpedanceZ8Ω
DC ResistanceRe6.2Ω
Voice Coil Inductance @ 1KHzLBM1.32mH
Voice Coil DiameterDIA130mm (5.1")
Voice Coil Height35mm (1.37")
HE Magnetic Gap HeightHE12mm (0.47")
Max. Linear ExcursionX± 11.5mm (0.45")
Voice Coil FormerAluminum
Voice Coil WireHexatech™ Aluminum
Number Of Layers2
Magnet System TypeHigh flux double ferrite vented
B Flux DensityB0.64 T
BL ProductBXL13 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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  • Specifications