Are you asking which model of Toshiba tube has the highest power? A1943 and C520.

Among all Toshiba tubes, A1943 and C520 have the highest power and the best effect, but the parameters of the two tubes are different.

Toshiba is a brand registered with the China Trademark Office on February 15, 2016. It provides automatic ticket vending machines, automatic ticket checking machines, air conditioners, TVs and other products.