The ER18RNX is an 18 cm (6,5’’) cone driver, developed for use as a long throw high
fi delity woofer or woofer/midrange unit.
An edge coated reed/paper pulp cone which together with the perfectly matched
moving parts gives a smooth, extended frequency response.
A bumped back plate in the magnet system, together with the very long and light
weight copper clad aluminum voice coil, allow extreme coil excursion with low
A heavy copper ring below the T-shaped pole piece, to reduce non linear and modulation distortion.
The extremely stiff and stable injection moulded metal basket, keeps the critical components in perfect alignment. Large windows in the basket both above and below the spider reduce sound refl ection, air fl ow noise and cavity resonance to a minimum.
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