STK Professional Audio

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SP-218S	SP-118S	SP-118SL	SP-215S	SP-115S	SP-4733N
SP-253N	SP-212	SP-1563P	SP-4730N	SP-4730H	SP-153H
SP-152H	SP-152L	SP-122H	SP-122	SP-112	SP-115M
SP-112M	SP-620CW	SP-810CW	SPM-155H	SPM-152H	SPM-122
SP-810CM	SP-605CM	SP-605CMT

SP-218S

Front View / Rear View

Manual / Dimensions

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.