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Hertz ST 25A NEO 1" High Efficiency Bullet Tweeters (Pair)
Hertz ST 25A NEO 1" High Efficiency Bullet Tweeters (Pair)
HIGH EFFICIENCY COMPRESSION DRIVER
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.
Product highlights:
- 1-13/16" aluminum dome bullet tweeter
- designed for SPL competition
- handles up to 50 watts RMS (100 watts peak)
- high-pass crossover point: 5,000 Hz at 12 dB per octave
- frequency response: 3,000-20,000 Hz
- impedance: 4 ohms
- sensitivity: 107 dB
- top-mount depth: 1"
Data table
| Size mm (in.) | 44 (1.8) |
| Power Handling - Peak W | 100 Hi-pass filtered @ 5 kHz - 12 dB Oct. |
| Impedance Ω | 4 |
| Frequency response Hz | 3k ÷ 20k |
| Sensitivity dB SPL | 107 |
| Voice coil Ø mm (in.) | 25 (1) |
| Magnet | Neodymium |
| Cone/Dome | Aluminium |
Features
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.
Technologies
-
NATURE PROOFCompact and lightweight, the new spl neo systems are extremely loud and do not fear nature elements for an unlimited fun in every condition!
Hertz ST 25A NEO 1" High Efficiency Bullet Tweeters (Pair)
HIGH EFFICIENCY COMPRESSION DRIVER
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.
Product highlights:
- 1-13/16" aluminum dome bullet tweeter
- designed for SPL competition
- handles up to 50 watts RMS (100 watts peak)
- high-pass crossover point: 5,000 Hz at 12 dB per octave
- frequency response: 3,000-20,000 Hz
- impedance: 4 ohms
- sensitivity: 107 dB
- top-mount depth: 1"
Data table
| Size mm (in.) | 44 (1.8) |
| Power Handling - Peak W | 100 Hi-pass filtered @ 5 kHz - 12 dB Oct. |
| Impedance Ω | 4 |
| Frequency response Hz | 3k ÷ 20k |
| Sensitivity dB SPL | 107 |
| Voice coil Ø mm (in.) | 25 (1) |
| Magnet | Neodymium |
| Cone/Dome | Aluminium |
Features
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.
Technologies
-
NATURE PROOFCompact and lightweight, the new spl neo systems are extremely loud and do not fear nature elements for an unlimited fun in every condition!


