Number One SPH-210 High Quality Polyproplene 8' Woofer 50W RMS 8 Ohm


£51.60 inc vat
£43.00 ex vat


HiFi bass-midrange speaker, 100W MAX 50W RMS, 8 Ohm

Speaker of high power rating for all applications as bass speaker and bass-midrange speaker in high-quality 2-way or 3-way speaker systems, also to be used for replacements frequently required for older high-quality speaker systems.

Tech Specs:

  • Impedance (Z) 8 Ohm
  • Resonant frequency (fs)28Hz
  • Max. frequency range f3-4,000Hz
  • Rec. crossover freq. (fmax.)3,500Hz
  • Music power 100WMAX
  • Power rating (P) 50WRMS
  • SPL (1W/1m)90dB
  • Suspension compl. (Cms)1.32mm/N
  • Moving mass (Mms)24.5kg
  • Mech. resistance (Rms)2.0kg/s
  • Mech. Q factor (Qms)2.14
  • Electr. Q factor (Qes)0.27
  • Total Q factor (Qts)0.24
  • Equivalent volume (Vas)81 l
  • DC resistance (Re)6.5 Ohm
  • Voice coil induct. (Le)1.0mH
  • 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)210cm2
  • Volume displacement (Vd)73.5cm3
  • Force factor (BxL)10.3Tm
  • Reference efficiency (No)0.6%
  • Magnet diameter 120mm
  • Magnet weight 840g
  • Mounting cutout (diameter) 183mm
  • Mounting depth 99mm
  • Dimensions (diameter) 210mm
  • Weight 2.42kg
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