Dayton Audio DA135-8 5-1/4" Aluminum Cone Woofer

The Dayton Audio DA135-8 5-1/4" aluminium cone woofer delivers precise and articulate mid-bass reproduction, making it an excellent choice for discerning audio enthusiasts and DIY speaker builders. Its rigid aluminium cone ensures minimal distortion, allowing for clean, accurate sound across a wide frequency range. This versatile driver is ideally suited for use in high-fidelity two-way or three-way loudspeaker systems, as well as dedicated subwoofer and mid-bass applications. With a total Q factor of 0.54, it performs exceptionally well in both sealed and ported enclosures, offering flexibility for various design preferences and listening environments.

Technically, the DA135-8 features a copper voice coil wound on a robust former, with a DC resistance of 6.4 ohms and an inductance of 0.97 mH. Its sensitivity is rated at 85 dB SPL at 1 metre with 2.83V input, while the maximum linear excursion (Xmax) reaches 3 mm, contributing to a displacement volume (Vd) of 22.6 cm³. The mechanical (Qms) and electrical (Qes) Q factors are 2.61 and 0.68 respectively, resulting in a well-damped total Qts of 0.54. The woofer’s nominal diameter is 133.4 mm, with a mounting depth of 63.1 mm and a cut-out diameter of 111.5 mm, secured by four fixing holes. Whether you are upgrading an existing design or building from scratch, this driver offers reliable, high-quality performance.