I honestly can't think why there would be a difference, it's a bit of wire that does the work.
I meant to say slow blow/time-delay as well. 3.15amp. If you do the maths (and I can't remember the equasions) but taking its rms value of 505watts, a 2amp fuse covers 501watts I think it was. The peak power it can draw however is 1000watts, so I'm thinking surely that 2amp isn't enough.
You could use a 1000amp fuse and the speakers would be fine. The only reason you have a fuse is for when there's a surge in the mains supply, and surges just don't happen these days, or happen very very rarely.
3.15A seems to be spot on, it's completely safe. Also, the decoder is known to be quite fragile, so you don't want a fuse blowing on it and give it a jolt all the time.
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2006 Mac Pro
Dual, dual core xeons @ 2.0Ghz each
2Gb Ram (I'm too poor)
NVidia Geforce 7300Gt 256mb
Onboard Sound - optical out to Logitech Z5500
Digidesign MBox2 output to PMCs
250Gb Drive running both Mac OSX and Windows on seperate partitions, 400Gb Seagate Drive for Windows, 400Gb WD Drive for OSX
24¨ Acer AL2416W (not nearly as bad as you'd think)
Various Lacie external drives
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