Unusual JVC reverb scope for sale on FB marketplace in Nashville TN

[gene_stl]

https://www.facebook.com/marketplac...,\"upsell_type\":21,\"grouping_info\":null}"}
Not my listing and no connection to the seller.

 

[Soundfield]

It's certainly not a 'scope! - just a couple of bulbs and a few pieces of coloured plastic that rotate to change the pattern as you move the reverb knob.