Active guitar pickups (which includes piezo pickups) and all analog musical circuitry benefits from higher voltage. (The benefit is increased headroom). A fresh, regular “AA” battery produces 1.5 volts and that decreases as it loses its charge down to 1 volt where the device stops working. So, in general, if you’re about to record with…
What is a Class A Discrete Mic preamp?
Let’s break down each part of this: “class A” is a type of amplifier circuit that reproduces the whole audio signal. This is different than a “class B” amplifier which only produces the top or bottom of the sound wave. class B amplifiers are used two-at-a-time so one reproduces the top while the other reproduces…