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NUMBER ONE SPH-135/AD

NUMBER ONE SPH-135/AD
SPH-135/AD
Hi-fi bass-midrange speaker, 40 W, 8 Ω
Carbonised cone of high rigidity, but with very good inside damping
Flat wire coil
Optimised transient response
For any bass-midrange application in compact speakers and as high-performance midrange speaker

Technical specifications SPH-135/AD
  • Impedance (Z): 8 Ω
  • Frequency range: f3-6,000 Hz
  • Resonant frequency (fs): 39 Hz
  • Power rating (RMS): 40 W
  • Peak music power output (MAX): 60 W
  • Sensitivity: 89 dB/W/m
  • Suspension compl. (Cms): 2.14 mm/N
  • Moving mass (Mms): 7.8 g
  • Mech. Q factor (Qms): 3.40
  • Electr. Q factor (Qes): 0.42
  • Total Q factor (Qts): 0.37
  • Equivalent volume (Vas): 26 l
  • DC resistance (Re): 5.5 Ω
  • Force factor (BxL): 5.00 Tm
  • Voice coil induct. (Le): 0.47 mH
  • Voice coil diameter: Ø 25.5 mm
  • Voice coil former: Kapton
  • Linear excursion (XMAX): ± 1.75 mm
  • Eff. cone area (Sd): 95 cm2
  • Magnet weight: 380 g
  • Magnet diameter: Ø 100 mm
  • Mounting cutout: Ø 121 mm
  • Mounting depth: 64 mm
  • Dimensions: 135 x 135 x 70 mm
  • Width: 135 mm
  • Height: 135 mm
  • Depth: 70 mm
  • Admiss. ambient temp.: 0-40 °C
  • Weight: 1.09 kg
  • Packing unit: 1
  • Type of speaker: 5.5"
Speaker components
Type Midrange
Size, inches 5.5
Impedance, Ω 8
Peak power, W 60
RMS power, W 40
Sensitivity, dB 89
Magnet type --

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