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12-16-2010, 08:59 PM
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Bass player | | Join Date: Dec 2009 Location: Downunder Oz | | | QSC & Mackie Poweramp test
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This im not even going to comment on, im not even sure they have their specs right ! I wouldnt want it to happen to me...... http://www.youtube.com/watch?v=jiJVoDHyVtE |
12-17-2010, 12:05 AM
| | Registered User | | Join Date: Aug 2005 Location: Glendale, CA (LA County) | | | Mackie have always had very good marketing hype. However, IME My Mackie m1400i failed. My QSC RMX 1450, and my ancient, abused QSC USA 850, have never let me down.
Mackie did cover the repair under warranty, but their labor rate was too low for the local shop (Leo's Pro Audio Oakland, CA) so I had to haul the foolish thing across the Bay to Frisco.
If I need to buy another amp, it will be QSC, Peavey, or Behringer. I will never own another Mackie product.
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12-17-2010, 12:30 AM
| | Registered User | | Join Date: Nov 2007 Location: Chicago, IL | | | My opinion of Mackie just went down another notch.
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12-17-2010, 05:50 AM
|  | Keepin' the Groove Alive ! | | Join Date: Aug 2006 Location: Stax 1966 | | | I wonder if Bob Lee is going to wander into this thread. Would be interested in his comments. I have used QSC amps for years, since the first PLX amps came out. Never had a problem, but I never turned everything up to 10 either!
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12-17-2010, 06:01 AM
|  | Smile more, ok?
Staff Reviewer; Bass Gear Magazine Moderator | | Join Date: May 2004 Location: Columbia MO | | | I've used many QSC PLX amps.
I *always* ran them on 10, and made my gain selections at the preamp.
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12-17-2010, 07:02 AM
| | | | it is my understanding that mackie has always fudged the True power ratings of their amps. like a lot |
12-17-2010, 08:58 AM
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Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | | A Mackie produced video that claims a Mackie amp beats a QSC. And your point is? |
12-17-2010, 02:28 PM
| | | Protect mode that shuts an amp down is just stupid anyhow.
Limiters should kick in - flash some lights and let you know it can't take anymore.
But it shouldn't shutdown. Who wants amps to shutdown in the middle of a performance. The flashing lights should maybe even be a remote connection so the sound engineers can see the situation. Oh, and Pro FOH systems have this kind of monitoring.
If it was as bad as the amp having to totally shutdown, then maybe you don't want it to turn itself back on. You'd want to walk up to the amp, check connections, etc, then push the reset on the breaker. Otherwise, If it automatically comes back on, then by the time the sound engineer gets to check the amp rack, it may be on again and he may not know which amp is going thermal.
They real show they're mocking is also full of pseudo science, but at least they blow things up in the end. 
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12-17-2010, 02:33 PM
|  | Endorsing Curmudgeon: Mal's Kitchen Cruelties ... | | Join Date: Jun 2002 Location: Columbia River Gorge | | Quote: |
Originally Posted by seamonkey Protect mode that shuts an amp down is just stupid anyhow.
Limiters should kick in - flash some lights and let you know it can't take anymore.
But it shouldn't shutdown. Who wants amps to shutdown in the middle of a performance. The flashing lights should maybe even be a remote connection so the sound engineers can see the situation. Oh, and Pro FOH systems have this kind of monitoring.
If it was as bad as the amp having to totally shutdown, then maybe you don't want it to turn itself back on. You'd want to walk up to the amp, check connections, etc, then push the reset on the breaker. Otherwise, If it automatically comes back on, then by the time the sound engineer gets to check the amp rack, it may be on again and he may not know which amp is going thermal.
They real show they're mocking is also full of pseudo science, but at least they blow things up in the end. | Dead short, I
want the amp to shut down, not become an arc welder ...
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12-17-2010, 02:43 PM
| | | | 2 ohm load isn't a dead short. But sure, an amp can detect a dead short and shutdown, but you don't want it to cool for few seconds then start up again. You want it to stay off. Little circuits can be made to measure the speaker resistance, so you know if you're in a dead short, and stay off, and light a light.
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12-17-2010, 03:07 PM
|  | Registered User | | Join Date: Oct 2010 Location: San Franciso Bay Area | | Quote:
Originally Posted by billfitzmaurice  A Mackie produced video that claims a Mackie amp beats a QSC. And your point is? | If it's on YouTube, it must be true! 
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Last edited by audiomitch : 12-17-2010 at 03:08 PM.
Reason: edited to denote sarcasm
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12-18-2010, 11:37 AM
| | Registered User | | Join Date: May 2008 Location: triad, nc | | | ^ haha i cant like this enough times ^
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Originally Posted by blipndub Who cares what sticker he puts on his pos bass. He could put an STP sticker on it and some nascar fan would get all bent out of shape. | |
12-18-2010, 11:59 AM
| | Registered User | | Join Date: Mar 2005 Location: Detroit area, Troy, MI | | | Could have blown a fuse/breaker on the QSC for all we know, or could have been defective amp. ALso don't really know what the conditions that caused it were.
Looked like they just tried to pump out as much power as possible until it shut down.
Wouldn't base any buying decisions on this. Except to maybe not buy Mackie for trying sleazy misleading advertising.
Randy
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12-18-2010, 04:08 PM
| | Registered User | | Join Date: May 2006 Location: austin,tx | | | I don't know about the mackie amps, I just know if it says QSC on it, it's good. My MX700 isn't going anywhere, never failed and it's never been set to anything other than wide-open. |
12-18-2010, 08:03 PM
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Bass player | | Join Date: Dec 2009 Location: Downunder Oz | | | I think it may be bias | | Thread Tools | Search this Thread | | | | 
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