@andera I have joined. To get more traction on the group I feel you need more discussions. The more people interact with a group the more that group's posts appear in member's newsfeeds and alerts. Take a look at 'the audio cognoscenti group' a Uk-based audio group that sprang out of the very successful and well-moderated 'audiophiles uk - hifi and music'. That former group, although new, is active and growing.
good luck!
good luck!