Number One SPH-170TC 6.5" Midrange Speaker 2x60W Max. 8ohm

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Dual voice coil and polypropylene cone with good midrange attenuation, suitable for both very small subwoofers and high-power 2-way speaker systems. Klang+Ton 6/00 "A real big hit for that price!"

Technical Specification

• Impedance (Z) 2 x 8ohm
• Resonant frequency (fs) 33Hz
• Max. frequency range f3-5,000Hz
• Rec. crossover freq. (fmax.) 3,000Hz
• Music power 2 x 60WMAX
• Power rating (P) 2 x 40WRMS
• SPL (1W/1m) 88dB
• Suspension compl. (Cms) 1.38mm/N
• Moving mass (Mms) 16g
• Mech. resistance (Rms) 1.1kg/s
• Mech. Q factor (Qms) 2.98
• Electr. Q factor (Qes) 0.48
• Total Q factor (Qts) 0.41
• Equivalent volume (Vas) 31 l
• DC resistance (Re) 2 x 7.5ohm;/ 3.8ohm
• Voice coil induct. (Le) 2 x 0.6mH/ 0.6mH
• Voice coil diameter 25.5mm
• Voice coil former Kapton
• Voice coil winding height 10.5mm
• Air gap height 6mm
• Linear excursion (XMAX) ±2.25mm
• Eff. cone area (Sd) 127cm2
• Volume displacement (Vd) 28.6cm3
• Force factor (BxL) 5.2Tm
• Reference efficiency (No) 0.2%
• Magnet diameter 100mm
• Magnet weight 380g
• Mounting cutout Ø 142mm
• Mounting depth 82mm
• Dimensions Ø 166mm
• Weight 1.4kg
• Rec. net cabinet volume
• Closed
• 16 l
• Bass-reflex
• 36 l