Polk Audio RTi Series 1″ Dome Tweeter Part # RD0690-3
*The Eminence SD-28 dome tweeter is a good replacement for many Polk Audio tweeters that are discontinued, but some modification is needed. You will need to remove the bad tweeter from the face plate and mount this tweeter on the original Polk face plate.
This is an OEM genuine Polk Audio tweeter and is new current production stock. The tweeter has a chopped oval silver face plate.
– RTi4, RTi6, RTi8, RTi10 and more.
Impedance: 4 ohms
Re: 3.0 ohms
Voice Coil Diameter: 1″ (25.4mm)
ABS Plastic Silver Face plate