STK Professional Audio

HOME > PRODUCTS > PASSIVE SPEAKERS

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-4730N / SP-4730H

Front View / Rear View

Manual / Dimensions

The SP4730N and 4730H is full-range 3-way system trapezoidal enclosure with one 8” “SK8208” mid range woofers vented for articulate sound.
The SP4730N & H offers very high power outputs with 15” "SK15500" transducer vented for more tight, punchy bass. This systems perfectly provide for voice speech and live music. The 4730N is 4 ohm input and 4730H is 8 ohm input.

3-Way passive full-range system.
The barrier strip internal mode selector is bi-AMp mode changeable.
The one 2” SK-60D exit compression drivers on a SABS 2 horn.
An internal passive cross over network frequency is 500Hz, 2 kHz, 12dB/Octave.
The enclosure construction: By STK “STANDARD”
Ultra tough, the scratch proof warnex texture coated.
35mm pole mount receptacle on the top and bottom.
STK caster option.

SPECIFICATIONS

Model	SP-4730N / SP-4730H
PHYSICAL SPECIFICATION
System configuration	3-Way Full Range
LF system & Loading	One SK 15500 15" woofer, Vented
MF system & Loading	One SK8208 8" woofer, Vented
HF system & Loading	One 2 "Voice coil compression driver
Operating Mode	Passive or BI-Amplified
Controls	Powering Mode select strip
Enclosure Material	Plywood,MDF
Enclosure Finish	Black warnex texture coated
Connectors	Two neutrick speakon
Grille	Powder coated perforated steel
Optional accessories	1. STK Caster "SCP80" or "SCP100" 2. STK Pole "SPM35130"
Demensions ( ±0.13 inch / ±3 mm)	Height: 832 Front width: 600 Rear width: 456 Depth: 480
Trapezoid angle(degrees)	18
Shipping/CBM	0.359
Net weight	39.34 kg
Shipping weight	42.6 kg
TECHNICAL SPECIFICATION
Frequency Response
±3 dB	53Hz ~ 18kHz
-10 dB	44Hz ~ 20kHz
Recommended High-Pass Frequency	50Hz
Axial Sensitivity(dB SPL, 1 watt @ 1m)	Full Range Passive 102
Nominal Input Impedance(ohms)	Full Range Passive: 4 / 8 LF: 4 / 8 MF: 8 HF: 8
Power Handling, Watts
(Continuous/Program/Peak)	Full Range Passive: 400/800/1600
(Continuous)	LF: 400
(Continuous)	MF: 220
(Continuous)	HF: 60
Max Calculated SPL (Referenced to 1 m)
Full Range Passive Peak	134
Full Range Long Term	128
Norminal disperson(degrees @ -6dB)
Horizontal	90 °
Vertical	40 °

*Specifications subject to change without notice.