Splitting an audio output may or may not change the output level, depending on the output "impedance" (sort of like low resistance) of the preamp, if it's low, you won't affect the level and\or frequency too much with more than one "

You also need to keep in mind that in most cases using both preamp’s outputs at the same time running two separate but identical amps, will present half of one of the amp’s input impedance to the preamp. Depending on the preamp output impedance and th

How to split the preamp output Subscribe to Ask Paul Ask a Question. July 9, 2018 by Paul McGowan. If you want to use a single preamplifier to feed two separate power amplifiers, how do you properly split the preamp's output signal with losing any qua