[Clem]

I’m new to the forum with respect to active communication  Is there a finished dual open baffle sub.( GR- Research)
that is being offered for sale?

[Phil A]

Welcome to AC!  After 3 posts you can look at the trading post circle.  You can also go to hifishark.com and do a search (and filter by region - e.g. North America) of terms like 'GR Research' or 'Open Baffle' and it searches a bunch of sites.

[FullRangeMan]

I’m new to the forum with respect to active communication  Is there a finished dual open baffle sub.( GR- Research)
that is being offered for sale?

Welcome to AC 
I believe you can check the Trading Post Circle even under 3 post to read the sales offers.
https://www.audiocircle.com/index.php?board=104.0