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11-08-2010, 03:09 PM
| | Registered User | | Join Date: Jan 2009 Location: Chicago, IL | | | Equalizer not working in 400+
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Ok on last show i blew a main fuse in my MB400+. I changed it now the amp is working, but when i press graphic eualizer on the amp is silent. I didn't have time to check it but i suppose that there is another fuse inside amp for equalizer that i need to change.
Is that correct??? |
11-08-2010, 06:22 PM
| | Registered User | | Join Date: Jul 2007 Location: Dallas, TX | | | Time to take it in to see the good amp doctor.
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11-09-2010, 11:29 AM
| | Registered User | | Join Date: Jan 2009 Location: Chicago, IL | | | Anybody can give more concrete answer??? |
11-09-2010, 11:39 AM
| | Registered User | | Join Date: Jul 2007 Location: Dallas, TX | | | Yeah, an amp tech will give you a solid answer.
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11-09-2010, 11:44 AM
| | Registered User | | Join Date: Jan 2009 Location: Chicago, IL | | | I dont wany to pay a tech for just a fuse exchange. Dont have time nor money for that. |
11-09-2010, 11:49 AM
|  | Sponsored by Jagermeister | | Join Date: Nov 2002 Location: Seattle / Tacoma | | | No there is no other fuse inside.
The fuse blows for a reason, and it's usually because of a bad output tube or a short. It's time to take it to a tech. |
11-09-2010, 12:40 PM
| | Registered User | | Join Date: Jan 2009 Location: Chicago, IL | | | It blowed a fuse when i connected it to crappy ashdown cab. Usually I play with it through two 1x15 MB RR, but this time I had no place in car and used Ashdown 8x10 crap and it blowed. |
11-09-2010, 01:17 PM
| | Registered User | | Join Date: Dec 2005 Location: Phoenix. Az. | | | Something easy you could try is plugging/unplugging a guitar cord into the EQ foot pedal jack a few times. Its a long shot but maybe the EQ jacks contacts are hung up and causing this.
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11-09-2010, 02:56 PM
| | Registered User | | Join Date: Jan 2009 Location: Chicago, IL | | | You know when I hitted the guitar the master vol was set on 8 and the volumes were at 5. It was dark and the bassis form previous band changed settings on knobs and I didnt realized it at first. I think that ashdown couldnt stand it and thats why fuse blew out. |
11-09-2010, 03:30 PM
|  | Registered User | | Join Date: Aug 2007 Location: Toronto Ontario Canada | | | As you have been advised, if the main power fuse blew there is a problem with your amp. It has nothing to do with what speaker cabinet you were using when the fuse blew. The EQ section is, IIRC, a SS unit. You amp NEEDS to be checked out by a tech and that has nothing to do with whether you have the time or the money.
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Paul
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11-09-2010, 05:01 PM
| | Registered User | | Join Date: Jul 2007 Location: Dallas, TX | | | Yeah seriously, the cab, the amps settings, all that stuff- moot. You have a really nice amp, it needs to be looked over by a pro and made right. Anything else will most likely just cause further damage. Take it in.
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11-10-2010, 02:54 AM
| | Registered User | | Join Date: Jan 2009 Location: Chicago, IL | | | Ok, it looks I really have to go to an amp doc. Thanks a lot guys. | | Thread Tools | Search this Thread | | | | 
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