this post was submitted on 20 Jan 2025
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Some of the components typically used (e.g. op-amps) in audio gear like pedals need at least 5-10V to work.
If you used AA for those scenarios you're either going to need a load of batteries or you're gonna have a short battery life.
9V batteries are just a better fit for the use case basically and mean things like active pickups & pedals can be kept small
Honestly, if I were designing active guitar gear, I might just try to push 24v phantom power and XLR cables. Have a little power box at the amp or pedalboard and ditch the onboard battery entirely.
But I loathe alkaline batteries...
Fascinating. I had no idea, but this is starting to make sense.
Thank you.