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  • Model: Scan-Speak 32W/4578T00
  • Shipping Weight: 7.5kg



The 32W/4878T00 is the most powerful sub woofer designed by Scan-speak to this date, with its large 3” voice coil, extreme linear excursion and low resonance frequency is it perfect to reproduce the deepest frequencies. It features a brand new type of paper-sandwich cone with a special foam filling technology (patented) that gives the cone very high stiffness and relative low weight. The motor system has heavy duty copper sleeves for optimizing eddy currents and minimizing self-induction.

· Paper sandwich cone with Patented foam filling
· Patented Symmetrical Drive motor
· Spider with balanced woven in tinsel leads
· Extreme linear excursion (+/-14 mm)
· 3” Voice coil, Titanium former and paper reinforced
· Stiff and strong die cast aluminium chassis

T-S Parameters
Resonance frequency [fs] 18 Hz
Mechanical Q factor [Qms] 7
Electrical Q factor [Qes] 0.33
Total Q factor [Qts] 0.32
Force factor [Bl] 12.5 Tm
Mechanical resistance [Rms] 2.42 kg/s
Moving mass [Mms] 150 g
Compliance [Cms] 0.52 mm/N
Effective diaph. diameter [D] 260 mm
Effective piston area [Sd] 531 cm˛
Equivalent volume [Vas] 207.5 l
Sensitivity (2.83V/1m) 90 dB
Ratio Bl/√Re 7.1 N/√W
Ratio fs/Qts 56.3 Hz
Electrical Data
Voice Coil & Magnet Data
Nominal impedance [Zn] 4 Ω
Minimum impedance [Zmin] 4 Ω
Maximum impedance [Zo] 69 Ω
DC resistance [Re] 3.1 Ω
Voice coil inductance [Le] 0.5 mH
Power Handling
100h RMS noise test (IEC 17.1) 350 W
Long-term max power (IEC 17.3) 1000W
Voice coil diameter 75 mm
Voice coil height 36 mm
Voice coil layers 2
Height of gap 8 mm
Linear excursion ± 14 mm
Max mech. excursion ± 28 mm
Unit weight 7.5 kg

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Units:  2