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ST 25A NEO
NEO line bullet tweeters are a totally new project, lighter and more compact compared to the previous ST 25 and with superior performance thanks to the use of Neodymium N38 H for the motor units and a FEM (Finite Element Method) optimized driver/horn design. The “Active” version, ST 25A Neo provides tweeter only.
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| Component | HIGH EFFICIENCY COMPRESSION DRIVER |
| Size mm (in.) | 44 (1.8) |
| Power Handling - Peak W | 100 |
| Power Handling - Peak Note | Hi-pass filtered @ 5 kHz - 12 dB Oct. |
| Impedance Ohm | 4 |
| Voice Coil Ø | 25 (1) |
| Frequency Response Hz | 3k ÷ 20k |
| Weight of one component kg (lb.) | 0,39 (0.86) |
| Magnet | Neodymium |
| Dome | Aluminium |
| D mm | 35,5 |
| Re Ohm | 2,9 |
| Fs Hz | 3900 |
| Le mH | 0,03 |
| BL T*m | 2,05 |
| Spl dB | 107 |
| A | 57 mm | 2.24 in. |
| B | 43,5 mm | 1.7 in. |
| C | 55,5 mm | 2.19 in. |
| D | 29,7 mm | 1.17 in. |
1. Powerful Neodymium magnet providing high performance with compact size.
2. FEM (Finite Element Method) optimized phase-plug and loading horn.
3. CCAR (Copper Clad Aluminium Ribbon) voice coil for unheard-of thermal and mechanical capability ready for an easy replacement with replacement body kit.
4. Extra-light aluminium membrane to maximize SPL with high current, screw terminals.
5. Body waterproofing and anti-UV treatment to allow safe outdoor use without discoloration over time.
Compact and lightweight, the new spl neo systems are extremely loud and do not fear nature elements for an unlimited fun in every condition!
