Phase Tech T643 tweeter, 1" silk dome, 30 Watt, Pat# 3328537, from 335ES setup

Description

This is a nice Phase Tech Tweeter rated at 30W and has a 1" silk dome (black)
Speaker measures 4.84 Ohms and 285uH (not 385uH marked off by 2 not 3 digit)
13.5 Ounces, & magnet dia is 2.8"  triangular mount holes are a 79mm * 3
At this 4.84R and 285uH measure; leads me to believe this has a 6 to 8 Ohm rating.
working pull from a 335ES  similar also is the 435 Euro Series
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Basement clear-out - many Audio items and Loud Speakers.
Selling my collection on Downsize.
There are other audio and speakers at solar_home eBay pages.