TDL's Studio 1 uses a version of the same aluminum-dome tweeter that appears in the Acoustic Energy AE2.
6.5" Cobex Woofer & 1" Aluminium Tweeter
Passive design utilizing the "transmission-line" woofer-loading principle with dual HF / LF speaker connectors for optional bi-amping
complete with their original speaker grilles
A full in-depth review can be found here >TDL STUDIO 1<