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11-03-2011, 01:39 PM
| | Registered User | | Join Date: Apr 2011 Location: Upstate NY | | | Brown AC power?
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Could the AC power in a building/room be so off that it makes a good amp sound bad? At rehearsal last night, I plugged my new Fender Bassman TV Duo Ten into the wall and it sounded "warbly". I've also noticed that the 2x10 Eden combo that they have at the rehearsal space sounds blown, which I thought it was, due to abuse. I've used the Duo Ten for two gigs recently and it sounded perfect. One outside and one at a basement party. Could brown or dirty power affect an amp negatively? |
11-03-2011, 01:52 PM
| | Registered User | | Join Date: Mar 2007 Location: White Plains | | | If the voltage swings enough, yes.
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11-03-2011, 01:57 PM
| | Registered User | | Join Date: Apr 2011 Location: Upstate NY | | | Will it hurt the amp or just make it sound bad? It's a real dump and everything I've played through sounds blown. That's the first time I've ever brought my own amp. |
11-03-2011, 02:06 PM
| | Registered User | | Join Date: Jun 2011 Location: Santa Rosa, CA USA | | | It’s not good and I wouldn’t chance it with my equipment. It’s really important to use properly wired and maintained AC outlets (up to code) or you risk damaging your equipment. |
11-03-2011, 02:10 PM
| | Registered User | | Join Date: Apr 2011 Location: Upstate NY | | | Well, thanks guys. That settles that. I won't be bringing my amps to that pit anymore. |
11-03-2011, 02:37 PM
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Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | Quote:
Originally Posted by Quitter  Could brown or dirty power affect an amp negatively? | It can, but so can room acoustics, especially small rooms. |
11-03-2011, 02:46 PM
| | Registered User | | Join Date: Jun 2011 Location: Santa Rosa, CA USA | | Yeah, and make sure your band practices in the right size box and don’t practice bass in the closet.  |
11-03-2011, 02:48 PM
| | Registered User | | Join Date: Jun 2011 Location: Santa Rosa, CA USA | | Quote:
Originally Posted by Quitter Well, thanks guys. That settles that. I won't be bringing my amps to that pit anymore. | Good call, and you're welcome.
EDIT:
BTW, a outlet tester is cheap and worth it’s weight in gold - it doesn’t test for everything but it is a “Must Have” idem in the gig bag. http://en.wikipedia.org/wiki/Receptacle_tester
Last edited by Joe Louvar : 11-03-2011 at 03:19 PM.
Reason: see edit
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11-03-2011, 03:05 PM
|  | Registered User | | Join Date: Aug 2007 Location: Toronto Ontario Canada | | | Yes but it doesn't tell you if the voltage is correct or how many appliances may be on the same circuit.
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Paul
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11-03-2011, 03:11 PM
| | Registered User | | Join Date: Jun 2011 Location: Santa Rosa, CA USA | | | Your right Paul and? |
11-03-2011, 04:58 PM
|  | In case you missed it, I work for QSC Audio!
Applications Engineer, QSC Audio | | Join Date: Jul 2001 Location: Costa Mesa, Calif. | | | Yes, but I wouldn't jump to the conclusion that the AC is bad without checking it first. |
11-03-2011, 05:10 PM
| | Registered User | | Join Date: Mar 2004 Location: Alameda, California | | | A cheap multimeter can tell you what the AC line voltage is. I'd test the outlet with both a multimeter and an outlet tester.
And it's not only your gear that's at risk if the wiring is bad....
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