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power up and shut down

I feel foolish for posting this, but:
I recently purchased a new preamp (Fi Y) which has no mute switch. My previous preamp was an Audible Illusions Mod3, so I didn't have an issue with the "power up and shut down" procedure.
My question: Does it harm the speakers, or other components, to only turn the tubed preamp on and off, while leaving the solid state stuff running? (I'm using a Pass Aleph3 amp and it sounds so much better when I leave it on..).
What's the proper procedure for "power up and shut down"??

thanks.
jeff_s12a

Showing 2 responses by jeff_s12a

jeff_s12a OP
27 posts
 
Thanks for the suggestions..
I've tried switching off the preamp while the Aleph 3 is on. Power up = annoying little 'buzz' (about 5-10 seconds) while the tubes 'engage'..(Can DC current hurt the amp?). Power down = two (always two) tiny pops and done.
I've been searching desperately for the source of 'hum' in my system and this compounds my frustration... I've tried cheater plugs on the components, cheater plugs on the 'surge protector', tidying up the interconnects and power cords, sacrificing a goat...
jeff_s12a OP
27 posts
 
I do have everything (sources and preamp) plugged into a single surge protector. I'm going to try pulling all the interconnects and re-installing...
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