| Model  | 
                            SPM-155AP | 
                          
                          
                            | ENCLOSURE SPECIFICATION  | 
                              | 
                          
                          
                            | System configuration | 
                            2-Way Full Range | 
                          
                          
                            | LF Components & Loading | 
                            One SK15500 15¡± woofer, vented | 
                          
                          
                            | HF Components & Loading | 
                            One 2 inch voice coil compression driver | 
                          
                          
                            | Operating Mode | 
                            Active | 
                          
                          
                            | Frequency Response | 
                              | 
                            
                          
                            | ¡¾3 dB | 
                            54Hz ~ 19kHz | 
                            
                          
                            | -10 dB | 
                            43Hz ~ 20kHz | 
                          
                          
                            | Axial Sensitivity(dB SPL, 1 watt @ 1m) | 
                            102 | 
                            
                          
                          
                            |  Impedance(ohms) | 
                            8 | 
                          
                          
                            | Power Handling(Watts, Continuius) | 
                            500W | 
                          
                          
                            | Power Handling(Watts, Peak) | 
                            2000W | 
                          
                          
                            | Calculated SPL Limit(Referenced to 1 m) | 
                              | 
                          
                          
                            | Peak | 
                            134dB | 
                          
                          
                            | Long Term | 
                            128dB | 
                          
                          
                            | Norminal Dispersion(degree@-6dB) | 
                              | 
                          
                          
                            | Horizontal | 
                            80 ¡Æ | 
                          
                          
                            | Vertical | 
                            50 ¡Æ | 
                          
                          
                            | Optional Accessries 1  | 
                            STK Pole "SPM35130" | 
                          
                          
                            | Optional Accessries 2 | 
                            STK Eyebolt "SEB08" | 
                          
                          
                            | Optional Accessries 3  | 
                            STK Stand "ST6180" | 
                          
                          
                            Demensions 
                              ( ¡¾0.13 inch / ¡¾3 mm) | 
                            Height 690  
                              Front width 452  
                              Rear width 265 
                              Depth 348  | 
                          
                          
                          
                            | Shipping/CBM | 
                            0.1452 | 
                          
                          
                            | Net weight | 
                            28.1kg | 
                          
                          
                            | Shipping weight | 
                            30.3 kg | 
                          
                          
                            | AMPLIFIER SPECIFICATION  | 
                              | 
                          
                          
                            | Output Power | 
                              | 
                            
                          
                            | 8 ohm | 
                            500W | 
                            
                          
                            Frequency Response
  | 
                            20Hz ~ 30kHz | 
                          
                          
                            | THD 20Hz~30kHz  | 
                            ¡Â0.05% | 
                          
                          
                            | Hum & Noise | 
                            ¡Ã70 dB | 
                          
                          
                            | Input Sensitivity | 
                            MIC: -50dBu 
                              CD/TAPE: 0 dBu 
                              LINE: -10 dBu | 
                          
                          
                            | Equalizer(+/-12dB) | 
                            High: 10 kHz 
                              Mid: 2.5 kHz 
                              Low: 100 Hz | 
                          
                          
                            | Damping Factor | 
                            ¡Ã300 | 
                          
                          
                            | Input impedance | 
                            1k ohm (Balanced XLR) | 
                          
                          
                            | Connectors Input | 
                            XLR, 1/4"TRS, Stereo RCA | 
                          
                          
                            | Connector output | 
                            XLR/TS 1/4" Phone(Line out) | 
                          
                          
                            | Power Requirements | 
                            720 Watts | 
                          
                          
                            | Special Features | 
                            1. Peak LED, Power LED 
                              2. Variable speed Fan 
                              3. Largest power supply capacitance 
                              4. Thermal and full circuit protections. |