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PA-woofer 18" 2x4Ohm 2x350W

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Inkl. moms
Kr. 4.299,00
SPH-450TC PA-woofer 18" 2x4Ohm 2x350W Product picture 1024SPH-450TC PA-woofer 18" 2x4Ohm 2x350W Curve 1024SPH-450TC PA-woofer 18" 2x4Ohm 2x350W Pictogram 100SPH-450TC PA-woofer 18" 2x4Ohm 2x350W Drawing 1024
Impedance (Z) 2 x 4Ω
Resonant frequency (fs) 20Hz
Max. frequency range f3-1,500Hz
Rec. crossover freq. (fmax.) 400Hz
Music power 2 x 500WMAX
Power rating (P) 2 x 350WRMS
SPL (1W/1m) 93dB
Suspension compl. (Cms) 0.22mm/N
Moving mass (Mms) 305g
Mech. resistance (Rms) 12.7kg/s
Mech. Q factor (Qms) 2.97
Electr. Q factor (Qes) 0.27
Total Q factor (Qts) 0.25
Equivalent volume (Vas) 480 l
DC resistance (Re) 2 x 3.7Ω/1 x 7.4Ω
Voice coil induct. (Le) 2 x 1.1mH/1 x 4.6mH
Voice coil diameter 99.3mm
Voice coil former aluminium
Voice coil winding height 37.8mm
Air gap height 12mm
Linear excursion (XMAX) ±12.9mm
Eff. cone area (Sd) 1,250cm2
Volume displacement (Vd) 1,612.5cm3
Force factor (BxL) 32.4Tm
Reference efficiency (No) 1.37%
Magnet diameter 220mm
Magnet weight 5.7kg
Mounting cutout Ø 425mm
Mounting depth 220mm
Dimensions Ø 460mm
Weight 17kg
Rec. net cabinet volume  


70 l


135 l

 Dual Voice Coil Subwoofer of Highest Power Capability

Incredibly powerful bass reproduction from surprisingly small cabinets. Extensive ventilation of the voice coil. Subwoofer, 2 x 500WMAX, 2 x 4Ω

High-quality inverse cone, gold-plated terminals, diecast basket, extra long excursion, double centering spider, suitable for professional and semiprofessional DJ and PA applications and for car hi-fi and home cinema applications of highest requirements.

Klang+Ton 01/2010

"For the sustainable earthquake effect in the home cinema! The SPH-450TC is a legend which unites everything required for a bass speaker: 46cm diameter, 13mm linear excursion in both directions, breath-taking resonance frequency at 24 Hz."

Klang+Ton 01/2010

in the Raver cinema building concept

"In our home cinema, it easily outclassed all other existing subwoofers."


"In view of this sound converter designed with an extra long excursion, all other bass speakers introduced in HOBBY HIFI so far simply fade."

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