Test Bench - Eighteen Sound 18TLW3000 18” Dual Voice Coil Woofer

The transducer under review this month is from the Italian pro sound company, Eighteen Sound. Designated a subwoofer, the 18TLW3000 is a high power handling woofer rated at 1,800 WRMS with substantial features, including what Eighteen Sound calls a “Tetracoil” dual winding and interleaved sandwich voice coil (ISV). This article was originally published in Voice Coil, December 2013.

This Test Bench analysis discusses Celestion CF1840JD pro sound 18” woofer. The CF1840JD is a fairly high power handling woofer rated at 1,000 WRMS (AES standard), featuring a substantial ferrite finite element analysis (FEA) optimized motor assembly, an 18” Kevlar-loaded paper cone and large 5.5” diameter paper dust cap. This article was originally published in Voice Coil, December 2014.