How long daes it take your gear to warm up?


Assuming that one turns off/on the audio equipment every day. How long does it take for your gear to perform as it best after a cold start? I ask because my Rotels RA-1090 need about 2 hr to really shine, otherwise the highs are ear piercing and the bass notes lack some punch. Any of you have to go through a similar time of warm up period?
tiofelon
Solid state should be left on all the time. If you have not tried it do so tonight and see if tomorrow it does not sound more liquid and effortless.
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