_:n9635c2c304b048e695d2a17e7d23001cxb0
<http://schema.org/description>
"Introduction This article discusses the procedure used to install stainless steel driver and passive radiator retaining rings on my SDA SRS 1.2TL speakers and the initial listening evaluations after installation. Figure 1. A package from the ringmaster: driver and passive radiator retaining rings for five sets of SDA's.…"
<https://forum.polkaudio.com/discussion/103241/steel-retaining-rings-for-sda-drivers-and-passive-radiators/p1>