HERTZ by Elettromedia

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NEO line bullet tweeters are a totally new project, lighter and more compact compared to the previous ST 35 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 35A Neo provides tweeter only.

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Data table

Size mm (in.) 46 (1.8)
Power Handling - Peak W 120 Hi-pass filtered @ 5 kHz - 12 dB Oct.
Impedance 4
Frequency response Hz 2k ÷ 20k
Sensitivity dB SPL 109
Voice coil Ø mm (in.) 35 (1.4)
Magnet Neodymium
Cone/Dome Aluminium


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.

6. Aluminium back cover for superior heat dissipation.

7. Impressive low frequency extension and efficiency.



    Compact and lightweight, the new spl neo systems are extremely loud and do not fear nature elements for an unlimited fun in every condition!

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