Number One SPH-165 High Quality Polyproplene 6.5" Woofer 50W RMS 8Ohm


£42.00 inc vat
£35.00 ex vat
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HiFi bass-midrange speaker, 100WMAX 50W RMS, 8 Ohm

Especially strong drive and high power capability, suitable for all universal HiFi applications of high requirements, very well suited for bass-reflex and band pass cabinets up to horn combinations.

Technical Specification

  • Impedance (Z) 8 Ohm
  • Resonant frequency (fs)33Hz
  • Max. frequency range f3-5,000Hz
  • Rec. crossover freq. (fmax.)3,500Hz
  • Music power 100WMAX
  • Power rating (P) 50WRMS
  • SPL (1W/1m)89dB
  • Suspension compl. (Cms)1.22mm/N
  • Moving mass (Mms)16g
  • Mech. resistance (Rms)1.6kg/s
  • Mech. Q factor (Qms)2.02
  • Electr. Q factor (Qes)0.23
  • Total Q factor (Qts)0.21
  • Equivalent volume (Vas)36 l
  • DC resistance (Re)6.5 Ohm
  • Voice coil induct. (Le)1.1mH
  • Voice coil diameter 35.5mm
  • Voice coil former aluminium
  • Voice coil winding height 15mm
  • Air gap height 8mm
  • Linear excursion (XMAX)3.5mm
  • Eff. cone area (Sd)137cm2
  • Volume displacement (Vd)48cm3
  • Force factor (BxL)9.7Tm
  • Reference efficiency (No)0.5%
  • Magnet diameter 120mm
  • Magnet weight 840g
  • Mounting cutout (diameter) 142mm
  • Mounting depth 89mm
  • Dimensions (diameter) 165mm
  • Weight 2.32kg
  • Rec. net cabinet volume:
  • Bass-reflex > 10 l
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