Hertz SPL Show ST 25K Neo 1.8 Inch Compression Driver Bullet Tweeter 100w Max

The Hertz SPL Show ST 25K Neo is a 1.8-inch compression driver bullet tweeter rated at 100W peak (4 ohm), from Hertz's SPL Show range. It features a neodymium N38 H motor, aluminium membrane, and a waterproof, anti-UV treated body suited to high-output in-car and outdoor SPL systems.

This listing is the Kit version, supplied with a metallic mesh grille and inline crossover filter. For use with an active crossover or DSP, see the ST 25A Neo (tweeter only).

Key specifications

• Type: high-efficiency compression driver bullet tweeter
• Power handling: 100W peak (hi-pass filtered @ 5 kHz - 12 dB/octave)
• Impedance: 4 ohm
• Frequency response: 3 kHz - 20 kHz
• Voice coil: 25 mm CCAR (copper clad aluminium ribbon)
• Diaphragm: aluminium, neodymium N38 H magnet
• Body: waterproof and anti-UV treated
• Weight: 0.39 kg
• Version: Kit, with metallic mesh grille and inline crossover filter

The SPL Show NEO line bullet tweeters are a new project — lighter and more compact than the previous ST 25, with improved performance from the neodymium N38 H motor and a FEM (Finite Element Method) optimised driver and horn design.

Features

• Neodymium N38 H magnet for high performance in a compact package.
• FEM (Finite Element Method) optimised phase-plug and loading horn.
• CCAR (Copper Clad Aluminium Ribbon) voice coil for high thermal and mechanical capability, with easy replacement via body kit.
• Extra-light aluminium membrane to maximise SPL, with high-current screw terminals.
• Waterproof body with anti-UV treatment for safe outdoor use without discolouration over time.
• Kit version includes metallic mesh grille and inline crossover filter.