Why pre & power amp should not be switched off?


New member
Username: Bals

Post Number: 2
Registered: Nov-07
I heard from couple of sites that the pre- power amp should NOT be powered down immediately after playing for couple of hours.

I do not understand the reason behind it. Can someone explain the reason behind it please?

Thanks in advance.

- Bals.

Platinum Member
Username: Jan_b_vigne

Dallas, TX

Post Number: 11737
Registered: May-04

You mean let them idle for a few hours after you have finished listening and then turn them off? That's a new one on me. I generally leave my gear on all the time. But I've never heard of letting a pre amp cool down. I can guess at a very "out there" reason but it is too extreme to be of any consequence.


Silver Member
Username: Mike3

Wylie, Tx USA

Post Number: 846
Registered: May-06
Lately I do not turn anything off either, except the Tuner as I thought I might have been getting some bleed over from it.

Silver Member
Username: Davidpa

Portland, Oregon US

Post Number: 496
Registered: Nov-05
I leave everyting on except for my processor.
Unless Im going to be out of town for more than a few days, then it all goes down.

Gold Member
Username: Nuck

Post Number: 9224
Registered: Dec-04
For just the pre(is it tubed?), I cannot imagine why.
My class A amps are shut down after use and warmed for 10 mins before use again.
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