Yes, but is was no big thing. At the time we were the sole builder for Turbo. This was the TMS and TSE days. All Turbo cabs had straight angled sections, and one day Andrews was in the Factory and saw some of my early stuff which has always had curves. He simply asked whether his cabs could have the curves, We even did the 121 as a curve but thought it sounded better as original so it stayed straight.
Peace and goodwill to all speaker builders