The 3/4” tweeters D2008 and D2010 are among the many highly praised designs in Classic series. They have enjoyed success for more than 35 years. And still among the best tweeters available.
Datasheet: Datasheet D2008/851100

Size (inches): 0.75
Fs (Hz): 650
Re (ohms): 5.7
Sensitivity (dB): 89
Qt: 0.57
VAS (ltr.): 0.01
Xmax ± (mm): 0.8

Here you can soon find DIY kits for this driver.