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The 1812AP is a compact, dual powered, one 18” subwoofer, bass-reflex rectangular enclosure, designed for portable systems an a dual channel STK digital power amplifier(very light weight) with active X-over is incorporated into the system.
The one power outputs didicated to powering internal 18” SK18600S woofer, the other one power outputs may be used in of two ways(see to the bellow drawing)
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- Dedicated subwoofer system and full range active systems.
- The enclosure construction: “STK Standard”
- Ultra tough, the scratch proof warnex texture coated
- Two side handles one on each side for easy repositioning.
- Impact-resistant perforated metal grill(1.5mm)with weather proof powder coated.
- 35mm pole mount receptable on the top.
- “SCP” STK caster, “SPM” STK pole option.
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| SPECIFICATIONS |
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| Model |
SP-1812AP |
| ENCLOSURE SPECIFICATION |
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| System configuration |
Powered Subwoofer |
| Components & Loading |
One SK18600 18”, Bass-reflex |
| Operating Mode |
Active |
| Frequency Response |
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| ±3 dB |
40Hz ~ 300Hz |
| -10 dB |
35Hz ~ 300Hz |
| Axial Sensitivity(dB SPL, 1 watt @ 1m) |
100 |
| Nominal Input Impedance(ohm) |
4 |
| Power Handling(Watts, Continuius) |
600 |
| Power Handling(Watts, Peak) |
2400 |
Calculated SPL Limit
(Referenced to 1 m) |
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| Peak |
133, 8dB |
| Long Term |
127, 8dB |
| Optional Accessries 1 |
STK Caster "SCP80" or "SCP100" |
| Optional Accessries 2 |
STK Pole "SPM35130" |
Demensions
( ±0.13 inch / ±3 mm) |
Height 640 |
| Front width 568 |
| Depth 595 |
| Trapezoid angle(degrees) |
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| Shipping/CBM |
0.3188 |
| Net weight |
49.9 kg |
| Shipping weight |
65.7 kg |
| AMPLIFIER SPECIFICATION |
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| Output Power |
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| 4 ohm |
600W x 2 (Internal In, External In) |
| 8 ohm |
390W x 2 (Internal In, External In) |
| Frequency Response |
20Hz ~ 40kHz |
| THD 20Hz ~ 30 kHz |
0.05% |
S/N Ratio
(Filter : A-waiting, RMS) |
105dB |
| Input Sensitivity |
+4dBm(1.23V) |
| Damping Factor |
＞300 |
| Crossover Frequency |
1. 90Hz 24dB/Oct
2. 120Hz 24dB/Oct |
| Low cut Filter |
30Hz 12dB/Oct |
| Input impedance |
10k ohm (Balanced XLR) |
| Connectors Input |
2 x Female XLR |
| Connector output |
1. 2 x Male XLR(Mixer out)
2. 1 x Neutrik type speakon |
| Power Requirements |
1600 Watts |
| Special Features |
1. Sig LED, Cilp LED, PRT LED
2. Digital Power
3. Variable speed fan
4. Low Distortion AB class
5. 7 Way Full Circuit Protection
6.AC Out Let for Satellite Active Speaker |
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| *Specifications subject to change without notice. |
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