RCF LF18G401

The RCF LF18G401 is an 18 inch neodymium woofer rated 900W RMS (1800W program) at 8 ohms, delivering 98 dB sensitivity across a 30 to 1000 Hz range. It features a fiberglass-loaded cone with a high-excursion triple-roll surround for 50 mm peak-to-peak excursion, a 4 inch copper voice coil, and dual forced-air ventilation. Thiele-Small parameters include a 33 Hz resonance frequency and 268 liter Vas. Weighs 13 kg and is built as a raw low-frequency transducer for high-output subwoofer enclosures.