I'm not sure how the invoice numbers work, I'm not positive there is a correlation. I ordered on 11/1/2023 with Invoice #179, and received SN 00023.
It was hard for me to be patient, but in the end I have an amazing pair of speakers for what I consider a steal of a price. The speakers are gorgeous, use very high quality components, are well built, and sound better than anything I have every owned....and I've had some expensive speakers over the years (at least for me)
Any new company will have some growing pains, and I think the positive response to the Caladans from the New Record Day video caught everyone off guard.....and pressed them into production earlier than planned. For me it was well worth the frustration.