SPH-170AL  
Number 10.3830
High-tech bass-midrange speaker, 100WMAX, 8Ω

Made in Germany with cone and dustcap completely of aluminium, special design for particular reinforcing, 8-hole screw connection, extra dynamic sound and optimum bass parameters, for bass and bass-midrange applications in compact high-end speaker systems.

Hobby HiFi 6/00

"... pleasantly attractive price, cuts an excellent figure!"

 Impedance (Z) 8Ω 
 Resonant frequency (fs) 39Hz 
 Max. frequency range f3-2,500Hz 
 Music power 100WMAX 
 Power rating (P) 50WMAX 
 SPL (1W/1m) 89dB 
 Suspension compl. (Cms) 1.2mm/N 
 Moving mass (Mms) 15.3g 
 Mech. Q factor (Qms) 3.7 
 Electr. Q factor (Qes) 0.43 
 Total Q factor (Qts) 0.39 
 Equivalent volume (Vas) 32 l 
 DC resistance (Re) 6.8Ω 
 Force factor (BxL) 7.73Tm 
 Voice coil induct. (Le) 0.8mH 
 Voice coil diameter 25mm 
 Voice coil former Kapton 
 Linear excursion (XMAX) ±4mm 
 Eff. cone area (Sd) 137cm2 
 Magnet weight 15.6oz. 
 Weight 1.3kg 
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