Gustard R26 +U18 + C18 , very interesting combo and other reviewers might be right. Good sounds.

https://www.youtube.com/watch?v=RfutfUKRGtQ

https://www.facebook.com/masahiro.ishizuka.54/videos/609085107690387

https://www.linkedin.com/embed/feed/update/urn:li:ugcPost:7017263406244130816

https://video.fc2.com/content/20230107gq4McAKZ