Well. From what I look back, A90 output capabilty at M or H gain are almost the same if I'm not wrong
(both Gain settings have Same output swing level 49Vp-p of dynamic range)
M Gain 2.0x , Max input 8.8V
Multiply get A90 max voltage output 17.6V
H Gain 6.0x , Max input 2.9V
Multiply get...