Amp biasing question

I don’t have a problem (that I know about), but from what I have read here is that:

1) if the amp is on, the preamp should be connected and powered up

2) biasing should be done with no input from the preamp.

Am I misunderstanding something?

immatthewj12-24-2022 9:50pm

ghdprentice Details Discussions Posts This discussion Message User 7,539 posts 12-26-2022 at 10:09pm Copy Comment URL Report Comment Edit Delete @cleeds Ok. I guess that could happen. Fortunately never to me. My ARC Ref amps have a 3.5 minute warm up before coming on-line and the preamp (Ref 6SE) has a 1.5 minute warm up before coming on-line. So unless I go get a cup of coffee between turning on the preamp and amp that will not happen. I guess ARC thought of everything. Cool.
ghdprentice Details Discussions Posts This discussion Message User 7,539 posts 12-26-2022 at 10:04pm Copy Comment URL Report Comment Edit Delete My Audio Research amps are self biasing.
ghdprentice Details Discussions Posts This discussion Message User 7,539 posts 12-25-2022 at 06:34pm Copy Comment URL Report Comment Edit Delete The point of sequencing is in case your preamp causes a thump when turned on. This way I f the amp is off, the thump does not go through to the speakers. If your equipment doesn’t do it, then not something to worry about. My preamp or up stream equipment does not produce any noise, so it doesn’t mater. I don’t think I owned a piece of electronics that thumped for decades. All of my equipment is tube and has a delayed soft on. So, no racket regardless of the sequence.