SPH-135TC HiFi-Woofer With Twin Coil - 101430

HiFi bass-midrange speaker, 2 x 60W_MAX, 2 x 8Ω

Dual voice coil and polypropylene cone with good midrange attenuation, suitable for both miniature subwoofers and powerful 2-way speaker systems as bookshelf speakers or very slim column speakers.

Klang+Ton

"... a real highlight for that price."
Technical Specification

• Impedance (Z) : 2 x 8Ω
• Resonant frequency (fs): 40Hz
• Max. frequency range : f3-6,000Hz
• Rec. crossover freq. (fmax.): 4,000Hz
• Music power : 2 x 60W_MAX
• Power rating (P) : 2 x 30W_RMS
• SPL (1W/1m): 85dB
• Suspension compl. (Cms): 1.69mm/N
• Moving mass (Mms): 8.9g
• Mech. resistance (Rms): 0.7kg/s
• Mech. Q factor (Qms): 3.44
• Electr. Q factor (Qes): 0.48
• Total Q factor (Qts): 0.42
• Equivalent volume (Vas): 16 l
• DC resistance (Re): 2 x 7.5Ω/ 3.8Ω
• Voice coil induct. (Le): 2 x 0.6mH/ 0.6mH
• Voice coil diameter: 20mm
• Voice coil former: aluminium
• Voice coil winding height: 10.5mm
• Air gap height: 6mm
• Linear excursion (X_MAX): ±2.25mm
• Eff. cone area (Sd): 95cm²
• Volume displacement (Vd): 21.4cm³
• Force factor (BxL): 4.2Tm
• Reference efficiency (No): 0.2%
• Magnet diameter: 100mm
• Magnet weight : 380g
• Mounting cutout : Ø 123mm
• Mounting depth : 70mm
• Dimensions: 138x138mm
• Weight : 1.2kg
• Rec. net cabinet volume:
• Closed: 10 l
• Bass-reflex: 20 l