jim elshaw
New Member
Drummer by trade. Wannabe guitar hero.
Posts: 11
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Post by jim elshaw on Jan 14, 2015 6:24:28 GMT -7
Hi. I recently left my new Maz 18 NR in "standby" mode for about 24 hours by accident. Will this do any harm to anything? My rectifier tube really glows but don't remember if that's how it normally looks or not. Thanks.
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Post by Maddog on Jan 14, 2015 6:37:16 GMT -7
It should be fine.....there's a story that will probably surface here about our fellow member "Phil" whose child turned his Ghia on with no speaker hooked up for like 3 days.... I don't remember the details; somebody help me here.... Your Maz should be just fine, Jim...
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Post by benttop (Steve) on Jan 14, 2015 7:04:39 GMT -7
What Lee said. You're good.
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Post by Albert on Jan 14, 2015 8:18:53 GMT -7
Yeah you'll be ok you just completed the burn in process
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Post by simpleton on Jan 14, 2015 10:53:34 GMT -7
Dang I bet it felt a little warm to the touch. That would freak me out !! Sounds like you're all right. Welcome to the forum.
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Post by Ed M. on Jan 14, 2015 11:00:20 GMT -7
It's happened to many of us.....
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Post by premiumplus (Dave) on Jan 14, 2015 18:18:28 GMT -7
If you think about it, they are designed to operate. And standby is operation without high voltage...so only the rectifier tube was really doing any work. Everything else is just staying warm, the tube heaters were glowing happily, like they're supposed to. No problem. Even if you left it in full operation state, all it's going to do is put some wear on your tubes. It's an amplifier. They're designed to run! Tube amps have run for years without shutdown. Think about TV and radio transmitters. Back before transistors, they ran 24/7 except for maintenance. I think you're fine.
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Post by zpilot on Jan 14, 2015 21:32:48 GMT -7
No worries Mate. Having said that, those transmitters were rated for "continuous service" whereas the transformers in guitar amps are for "intermittent service". So it's not a good practice.
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jim elshaw
New Member
Drummer by trade. Wannabe guitar hero.
Posts: 11
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Post by jim elshaw on Jan 15, 2015 7:21:09 GMT -7
Thanks everybody. Feel better now. Lol. Cheers!
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Post by premiumplus (Dave) on Jan 15, 2015 7:24:38 GMT -7
It's all good and I totally agree that it's not good practice, but more for wear and tear on the amp (caps and tubes) than worry about a breakdown. Doctor Z could verify this for us, but I'm pretty sure he specifies his transformers for continuous duty. It costs a little more but Z is known for building a rugged amp. The other consideration would be the temperature inside the amp chassis, and it's possible effect on the lifetime of electrolytic capacitors. But again, tube amps run hot and Doc uses high temperature rated capacitors for that reason. It's a great question, and I hadn't thought about it for a while. So I did some digging and found some info about transformer duty ratings here: www.control-transformer.com/transformer-terms-faq.asp?id=50&action=view&msgid=18So all that considered, (plus the fact that I've left my Maz 8 and some old Fenders on overnight too) I have to assume that these amps will run 24/7. If they really were rated for intermittent duty, we would have been told to run them for a period of time, followed by cool down time. All that said...I'd be checking the numbers closer if it were another amp. But with Z amps, the only thing I'm going to worry about is which one I want to buy next.
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Jan 15, 2015 11:54:13 GMT -7
I did the same thing with a Z wreck for 2 days - No issues
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