Everything needs a warm up: Speaker surrounds, phono cartridges, amps, preamps. Every dang thing! Enter your text ...
The warm-up time of speakers (apart from the run-in time) is rarely mentioned, so nice to see it noticed here. I would say it’s equally important, perhaps even more so than warning up electronics. Prior to any serious listening session (and when the surroundings permit) I often start by turning up the volume significantly beyond my typical reference volume level with some "highly energized" music, and then leave the room for a while to let it "settle in" (half an hour is more than enough). This little treatment can be done, and is necessary I find from the very get-go of turning on the stereo or later on in the process to really have the sound "snap in" and become slightly more present/fuller and alive. Maintaining the lower reference volume level from the beginning seems not to do the same over time, so it’s not really about speeding up a warm-up process rather than having the speakers cross a threshold of sorts with higher levels, that frees the sound increments further. I’ve noticed the same effect with different speakers, so I would assume it to have general importance.
