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Hi-Fi bass-midrange speaker, 100WMAX, 60WRMS, 8Ω
A design which has become classic by now and materials which seem to be basic but are of perfect workmanship, thus allowing for an excellent sound!
Paper cone with special coating, rubber surround with optimised profile, very linear radiation range free of resonance, the ideal equipment for modern 2-way combinations.
NUMBER ONE product code: SPH-175
TECHNICAL DATA:
Impedance (Z) | 8Ω |
Resonant frequency (fs) | 33Hz |
Max. frequency range | f3-5,000Hz |
Rec. crossover freq. (fmax.) | 3,000Hz |
Music power | 100WMAX |
Power rating (P) | 60WRMS |
SPL (1W/1m) | 90dB |
Suspension compl. (Cms) | 1.86mm/N |
Moving mass (Mms) | 12.5g |
Mech. resistance (Rms) | 1.3kg/s |
Mech. Q factor (Qms) | 1.98 |
Electr. Q factor (Qes) | 0.43 |
Total Q factor (Qts) | 0.35 |
Equivalent volume (Vas) | 48 l |
DC resistance (Re) | 5.7Ω |
Voice coil induct. (Le) | 0.5mH |
Voice coil diameter | 25mm |
Voice coil former | aluminium |
Voice coil winding height | 10mm |
Air gap height | 6mm |
Linear excursion (XMAX) | ±2mm |
Eff. cone area (Sd) | 137cm2 |
Volume displacement (Vd) | 27.4cm3 |
Force factor (BxL) | 6Tm |
Reference efficiency (No) | 0.4% |
Magnet diameter | 84mm |
Magnet weight | 350g |
Mounting cutout (diameter) |
162mm |
Mounting depth | 70mm |
Dimensions | 177 x 177 mm |
Weight | 1.2kg |
Rec. net cabinet volume | |
Closed |
16 l |
Bass-reflex |
35 l |
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