This gentlemanay be your twin:thetragichero wrote: ↑Thu Mar 03, 2022 2:17 am if you're going into an interface, replacing the 'top' resistor in the voltage divider with a resistor and pot (wired as a rheostat) will give you a bit more volume control in the event that your interface does not want such a hot input signal (did this for a fella for his amp). the OTHER thing to keep in mind is that guitar speakers are REALLY CRAPPY for full range audio, so they knock off a bunch of junk frequencies that sound absolutely awful so some sort of speaker sim/impulse response is absolutely mandatory if you're going to be recording from the line out (i'm sure you can bypass the 'lower' resistor with a cap if you want to make a fixed low pass filter, but you'll still likely want some sort of speaker sim on there)
the *other* good reason to have your line out just an attenuated feed from the output transformer is that you'll then capture whatever tone the output tubes are adding
https://www.dougcircuits.com/lineout.html