HERTZ by Elettromedia

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HT 20


Utmost performances in minimum space. HT 20 is a car audio tweeters with neodymium magnet, Tetolon® soft dome and 20mm ø, ferrofluid-cooled mobile voice coil. Despite the reduced dimensions, HT 20 provides a rear acoustic load chamber, to extend the low frequency limits without incurring resonance effects. High energy magnet and accessories for factory location and flush mounting ensure minimum size, providing flexibility and easing installation in whatever car compartments. Recommended for two-way or multi-way systems, or as supertweeter.

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Data table

Size mm (in.) 20 (3/4???)
Power Handling - Peak W 100
Impedance 4
Frequency response Hz 1.9k ÷ 22k
Sensitivity dB SPL 91
Voice coil Ø mm (in.) 20
Magnet Neodymium
Cone/Dome Tetolon


1. Tetolon®  soft dome tweeter.
2. 20mm ø, ferrofluid-cooled mobile voice coil.
3. High energy Neodymium magnet.
4. Rear acoustic chamber.
5. Revolving support and accessories for factory location and flush mounting.
6. Very flexible, high current input cable.

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