Peerless by Tymphany SDS-P830855 4" Woofer Treated Paper SDS Woofer

The Peerless by Tymphany SDS-P830855 4" Woofer is a high-performance bass and mid-bass driver designed to bring clarity and precision to your audio projects. Featuring a treated paper cone, this woofer delivers a natural, detailed sound that enhances both low-end punch and midrange articulation, making it an excellent choice for custom speaker builds, automotive audio upgrades, or home theatre systems. Its robust construction ensures reliable performance across a variety of demanding applications.

This woofer excels in sealed or ported enclosures, where its controlled response and low distortion shine. With a linear excursion of 12.3 mm, it handles dynamic passages with ease, producing tight, accurate bass without sacrificing detail. The 4-inch nominal diameter allows for compact designs, while the 254 mm subwoofer variant offers deeper extension for larger setups. Whether used as a dedicated subwoofer or a mid-bass driver, it integrates seamlessly into multi-way systems.

Technically, the SDS-P830855 boasts a total Q factor of 0.48, balancing transient response and low-frequency extension. Its sensitivity of 83.1 dB SPL at 2.83V ensures efficient power handling, while the 5.6 ohm DC resistance and 0.343 mH voice coil inductance contribute to stable impedance. The 4.56 mechanical Q and 0.539 electrical Q values indicate controlled damping for accurate reproduction. With a 93 mm cutout diameter and six mounting holes on a 114 mm bolt circle, installation is straightforward.

In summary, this Peerless woofer offers exceptional value for audiophiles and DIY enthusiasts seeking reliable, low-distortion bass and midrange performance in a compact form factor.