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   SP-218S
 
 
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The 218S dedicated subwoofer with two of 18” “SK” transducers in a vented trapezoidal enclosure.
Has designe very specially,the dual SK181000F woofers provide very high peak and long term outputs.

  • Dedicated subwoofer system extend, 40Hz Response.
  • The enclosure construction: “STK STANDARD” 18mm plywood,18mm MDF with dado-cut joints and volted 3mm steel plate to both the top and one on each inside cabinet.
  • Recessed cups on the top accept the foot pads of an SP4733N or another pro series subwoofer.
  • Ultra tough, the scratch proof warnex texture coated.
  • Impact-resistant perforated metal grill(1.5mm)with weather proof powder coated.
  • 3 side handles one on each side and one rear side for easy repositioning.
  • “SCP” STK caster option.
 
SPECIFICATIONS
Model SP-218S
PHYSICAL SPECIFICATION  
System configuration Dedicated Subwoofer
Components & Loading SK181000F dual 18", Vented
Operating Mode Passive
Enclosure material Plywood with MDF
Enclosure Finish Black warnex texture coated
Connectors Two neutrick speakon
Grille Powder coated perforated steel
Optional accessories 1. STK caster "scp80"(80mm wheel)
2. STK caster "scp100"(100mm wheel)
Demensions
( ±0.13 inch / ±3 mm)
Height: 1165
Front width: 604
Rear width: 357
Depth: 754
Trapezoid angle(degrees) 20
Shipping/CBM 0.6923
Net weight 97kg
Shipping weight 110.7 kg
TECHNICAL SPECIFICATION  
Frequency Response  
±3 dB 30Hz ~ 200Hz
-10 dB 25Hz ~ 200Hz
Recommended High-Pass Frequency 30Hz
Axial Sensitivity(dB SPL, 1 watt @ 1m) 98
Nominal Input Impedance(ohms) 4
Power Handling(Watts, Continuous) 2000
Power Handling(Watts,Program/ Peak) 4000/8000
Max Calculated SPL (Referenced to 1 m)  
Peak 135.5
Long Term 129.5
Suggested System A STK VS-40
Suggested System B STK VS-34
*Specifications subject to change without notice.
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