HERTZ by Elettromedia

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ST 25

High Efficiency Compression Driver

Extremely compact size for explosive performance: ST 25 is the first Hertz car audio compression driver specifically designed for SPL competitions. The 25 mm ST 25 with CCAR (Copper Clad Aluminium Ribbon) voice coil features an extra-light aluminium membrane with high thermal dissipation. An extremely powerful neodymium magnet is employed along with a highly efficient compression loading horn, designed for maximum high frequency acoustic pressure.

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Accessories

Data table

Size mm (in.) 25 (1)
Power Handling - Peak W 100
Impedance 4
Frequency response Hz 3k ÷ 20k
Sensitivity dB SPL 107
Voice coil Ø mm (in.) 25 (1)
Magnet Neodymium
Cone/Dome Aluminium

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