Scan Speak - D2904/980000 - Tweeter 4 Ohm SD-2 Motor Classic

Datasheet

The Classic tweeters are among the many highly praised designs in Classic series. They 
have enjoyed success over 3 decades. And still among the best tweeters available. The 
D2905/9000 tweeter kick-started a new era with a line of very high quality 1" 
tweeters, today known as -9300, -9500, -9700 and -9800. Despite their many years 
on the market still used in many top High-End speakers around the world