Should I turn my XP-22 off when not being used?

BlueFox

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Nov 8, 2013
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Before the XP-22 I had an XP-20. The 20 didn’t have a power switch, so it was on all the time. A couple of years ago I upgraded to the XP-22, and it does have a power switch. After getting it I have left it powered on all the time. A few months ago it developed a problem, but is now repaired and working fine. However, I wonder if I had powered it off when not being used if it wouldn’t have broke. I listen to my stereo on Tuesday, Friday, and Saturday nights, but the pre is on all the time.

As an experiment, I am going to start turning it off when shutting down Wednesday morning, and Sunday morning. Unless someone can make a good point about leaving it on 7/24. Thanks.
 

Gregadd

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Apr 20, 2010
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A solid state device can benefit from being left on. Indeed my receiver has standby mode. Voltage surge or lightning strike can be a problem. Don't just turn lit off. Unplug it. Should you decide to go that route.
I recommend the Trip-lite surge protector
 

dan31

Well-Known Member
Jul 22, 2010
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Any chance you can call Pass and ask them? I leave my Spectral preamp on 24/7. When I asked Spectral they said it was designed to be left on.
 

BlueFox

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As this post is months old, I forgot about it. Turning if off lasted a week, and it has been on non stop since then.

In so far as the problem, last year it started popping in the left channel. Some component went bad, and I sent it back to Pass. They fixed it, no charge, and returned it after some burn in and testing. Works fine now.
 

passfreak

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Sep 24, 2018
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Thanks for the update BlueFox. I read someone else created a thread also had an issue with their 22...so you are the second owner who has had to send their 22 back. Should one be concerned that there may possibly be a quality issue?
Paying good money for a product with the reputation of Pass, one does not expect to see any problem.
 

BlueFox

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Nov 8, 2013
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Any piece of electronic gear can fail. While my XP-22 did have a problem, Pass quickly fixed it (for free), and it has worked great since then. I certainly would buy another if I needed a second preamp.
 
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PASS_10

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Apr 6, 2020
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I just had the same thing happen to my XP-22. Popping in the left channel. Not sure what's wrong with it but it sounds like a typical capacitor failure. I had an old Pioneer receiver from the 70's go in a similar way years ago. Bad time for it to go and I'm on the other coast so shipping it back isn't cheap!

I was curious if anyone else had this issue. So far seems like there are three of us on here.
 

Audire

Active Member
Jan 19, 2019
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No problems on my XP-22. Except during storms here in FL I keep mine on 24/7. Works perfectly so far.
 

Don C

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Jul 21, 2013
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If any parts are weak, but still work, a "turn on surge" of electricity can cause the weak part to fail.

Cycling a device on and off is used to "burn in", and kill off weak (soon to fail) parts in space and military production.

Keep the XP-22 on 24/7.

If a failure occurs Pass Labs will replace the part, and the unit will be more reliable in the future

If you turn off the XP-22 it will take a day or two of being on to return to best sound quality.
 
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Mikem53

Active Member
Oct 1, 2020
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I leave mine on all the time, as Pass recommends.. everything else too, except power amps..
 
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Mikem53

Active Member
Oct 1, 2020
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A solid state device can benefit from being left on. Indeed my receiver has standby mode. Voltage surge or lightning strike can be a problem. Don't just turn lit off. Unplug it. Should you decide to go that route.
I recommend the Trip-lite surge protector
Agreed, but you can do much better than Trip-lite or other devices using MOV’s.
Zerosurge
 

Gregadd

WBF Founding Member
Apr 20, 2010
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it has been some time since i purchased a Triplitre(tm).It is built like a brick outhouse. You can stand on it without damage. At the the time they guaranteed to replace your equipment as a result of a direct lightening strike. However they never claimed any sonic benefits.
 

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