I asked over on the Talkbass forum, the general consensus is YES, this is likely an 80s-90s Monarch Elite (neck-through) 5 string. It likely has Bart J-J 9-S pickups, a HAZ preamp, maple neck, and walnut body wings, though this is just an educated guess.
素晴らしいベース
Incredible playing! What kind of bass guitar is this Mr. Kakumoto? 素晴らしい演奏ですね!角本さんのこのベースギターは何なんでしょうか?
I asked over on the Talkbass forum, the general consensus is YES, this is likely an 80s-90s Monarch Elite (neck-through) 5 string. It likely has Bart J-J 9-S pickups, a HAZ preamp, maple neck, and walnut body wings, though this is just an educated guess.