amp fuses,quick blow or slow blow? |
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lickweed
Old Croc Joined: 02 May 2009 Location: leyton Status: Offline Points: 2489 |
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Posted: 10 December 2009 at 3:47pm |
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Hi
I need to replace a fuse in mine mackie m1400 amp,its a 32mm,ceramic, 8 amp fuse.
which one i should use-quick blow or slow blow.
Many thanks for your advice
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djstefanos
Old Croc Joined: 18 November 2005 Status: Offline Points: 2355 |
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your topic sounds very dodgy
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Stray-Sounds
Old Croc Joined: 13 March 2008 Location: Wales Status: Offline Points: 2426 |
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I did this once and the amp caught fire inside next time i switched it on
that was a slow blow fuse.. i just thought an 8 amp fuse would blow at 8 amps.. knows |
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<a href="http://www.soundhirewales.co.uk/">PA & Lighting - Sound Hire Wales</a> |
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DjMidKnight
Registered User Joined: 31 August 2009 Location: Abq NM Status: Offline Points: 298 |
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its a quick blow fuse, idk about mackie spacificaly but all of the ones i use are type ACG.
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reality is meerly a compilation of what our limited sences precieve as being fact therefore there is no true universal reality and as such i propose that space and time can be bent twisted and altered
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lickweed
Old Croc Joined: 02 May 2009 Location: leyton Status: Offline Points: 2489 |
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Thanks guys for info
Im not an electrician and i thought that there are just one kind of fuses,but there are many.
So quick blow it is.
Thanks once more
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Wrighty
Old Croc Joined: 17 April 2004 Location: Devon Status: Offline Points: 1801 |
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You can tell by the letters which are usually stamped into one or both end caps on the fuse. 5AT or T5A is anti-surge 5A, for example. 5AF or F5A is fast blow 5A. The same lettering code is often printed next to the fuse holder.
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ALL YOUR BASS ARE BELONG TO US.
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Saul
Old Croc Joined: 15 June 2007 Status: Offline Points: 5912 |
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maybe it's just you
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djstefanos
Old Croc Joined: 18 November 2005 Status: Offline Points: 2355 |
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maybe it is
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Centauri
Old Croc Joined: 29 November 2004 Location: Newcastle Aus Status: Offline Points: 1792 |
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According to the Mackie service manual, the fuse should be an 8A SLOW BLOW type.
Usually the mains fuse on an amp is the slow blow type due to the filter capacitors initial inrush current which can pop a fast blow fuse. |
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lickweed
Old Croc Joined: 02 May 2009 Location: leyton Status: Offline Points: 2489 |
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Thanks again for your replies.
Some say slow some say quick.
In service manual its a 8a sb fuse which i presume is slow blow(sb).
So looks like slow blow.
I will email them just to be 100% sure.
Thanks everyone
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_djk_
Old Croc Joined: 23 November 2004 Location: United States Status: Offline Points: 6002 |
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Make sure it is a ceramic type, they have powder in them to quench the arc that forms when they blow. |
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djk
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brokenjoe
Old Croc Joined: 31 May 2009 Location: Birmingham Status: Offline Points: 3722 |
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i prefer slow blow... depending on the situation and location
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