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Old 4th October 2008, 04:29 PM   #1
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Default Wich fuse to?

Hey!

I have really stupid question.
I bought an active subwoofer amp and i changed the enclousure. But i lost the fuse.

Now, amp in this: http://www.mds.se/?Link=http%3A//www...ItemId%3D24123

Sorry for sweden, but the english version doen`t work...

Can anyone tell, what fuse i shoud use?

A nother silli question: the power cable contains 3 wires: blue (neutral), brown (phase) and green(earth). With wich wire i have to connect fuse?
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Old 4th October 2008, 04:32 PM   #2
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Doesn't it say right on the amp? Or at least tell you what the draw power is?
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Old 4th October 2008, 05:00 PM   #3
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Yes. It says both on this enclosure. Fuse value is given in triangle. Is that what you're looking for?:

Click the image to open in full size.
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Old 4th October 2008, 05:06 PM   #4
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The problem is, that it was written on the old (original) enclousure, but i have thrown it away allready.

Can you explane "draw power", I`m not sure, what this means.

On the transformer, there is written only 120W, don`t have more information.
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Old 4th October 2008, 05:06 PM   #5
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But one old friend made some simple measurments, and he told that this amp has 80W.
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Old 4th October 2008, 05:08 PM   #6
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If I read it correctly it says 1.6 amp 250 V.

Thanks Martin.
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Old 4th October 2008, 05:27 PM   #7
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Can`t see what`s written in this trieangle.
Is it 1,25A?
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Old 4th October 2008, 05:27 PM   #8
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Okay, let say it is 1,6A.
It has to be this "slow" one, right?

And the second part on the question.
Fuse on the neutral or phase?
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Old 4th October 2008, 05:48 PM   #9
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I think you want your fuse on your hot wire but I'm not sure about the fuse whether you want a fast acting or delay type. I would guess fast acting but not sure. Is it the standard automotive type glass cylinder with metal ends?
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Old 4th October 2008, 10:55 PM   #10
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Duh, if this amp has an earth wire, it is a Class-1 apparatus. And it is, because it also lacks the double boxed sign for Class-2 apparatus. In that case it should have 2 mains fuses: One in the Line wire and one in the Neutral wire. Otherwise it does not comply to CE regulations. And it MUST be connected to an earthed mains socket for safety.

Also the rating and kind of the fuse should be marked clearly on the amp itself. I strongly doubt if this amp is checked/tested for CE compliance and if the CE sign is valid.

But the answer to your question: 1.6A slo acting should be fine in this case.

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