SPT-3rt
SPT-3rt is the best tools of UNiKA Stage Series. This tool is suitable for any speaker manufacturer, touring and fixed installation applications. It can be used for testing phase either speaker or balance cable. An external microphone input socket can be connected external dynamic microphone to test the speakers that have been hung up. By using neodymium magnet to combine transmitter and receiver units for easy carrying.
Specifications
| Signal type | Pulse tone from buzzer |
| Frequency spectrum, electrical | 1Hz to 20KHz |
| Frequency spectrum, acoustic | 200Hz to 5KHz |
| Output level, electrical | 0 to 1V (Acoustic level is fixed) |
| Output load impedance | >1KΩ |
| Output source impedance | 1KΩ |
| Power supply | 9V PP3 Alkaline battery (approx. 50 hours) |
| Power consumption | 10mA |
| Frequency spectrum, electrical | 1Hz to 20KHz |
| Frequency spectrum, acoustic | 10Hz to 1KHz |
| Input impedance (Mic) | 1KΩ |
| Input impedance (Line) | 10KΩ |
| Input level (Mic) | 10mV – 1V |
| Input level (Line) | 0.5V to 50V |
| Output level | 0V to 1V |
| Power supply | 9V PP3 Alkaline battery (approx. 50 hours) |
| Power consumption | 10mA |
| Dimensions/Shipping dimensions ( W x D x H ) | 120 X 95 X 56 mm |
| 20pcs packs dimensions ( W x D x H ) | 245 X 195 X 117 mm |
| Weight/Shipping weight | 0.4 Kg / 0.45kg |
| 20pcs packs shipping weight | 10.0 Kg |
| Operating temperature | 0°~50°C |
| Storage temperature | -30°~+75°C |
Source: https://www.unikapro.com/portfolio-item/spt-3rt/