>>10276015 (lb)
<old slide
Technically speaking, you would have to tune the instrument to A430.54 to get a key of C that is evenly divisible by 8hz, ''not' A432.
A432 Only works for the key of A. That's why the "A" is there, genius. ;)
sauce: https://www.flutopedia.com/pitch_to_frequency.htm
PS- the slide has been with us since 2017. Get new shit.