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??? Fuse UpGrade??What Size???

 In an effort to maximize the potential of my SimAudio Moon 240i integrated amplifier I have decided to try one of the Synergistic Research Purple fuses...
 The owners manual states it uses a 4 amp,Fast Blow,Type AG fuse..
 However,there are 2 sizes of this fuse offered,5mm x 20mm & 6.3mm x 32mm..How do I determine which size I need? Pulling the old one out & measuring it comes to mind but I was hoping there is a faster way to determine this...
 Thanks very much for any assistance..

freediver
hilroy48
145 posts
 

Go with a 6 amp fuse Fast blow. SR fuses had a history of blowing on inrush current startup if you went with factory size. 

evanpress
18 posts
 

The Cable Company has them on sale.  

I would call SimAudio (Moon) tech support to get their opinion/advice.  I've received helpful advice from them on my Moon 390 set-up.

 

audioman58's avatar
audioman58
4,120 posts
 

One is 20 mm ,one is 32 mm, you can see if it looks small or longer

and if fast blow always go 1 size up I have had fuses go in fast blow fuses on startup why ? The cheap stock fuses can vary up to 20%  

vicdior
26 posts
 

I recently upgraded my fuses for my Shindo Mr T,Aqua LinQ transporter and Weiss 501 MK2 for the Pink fuses and after experimenting with the right direction and between 100-200 burn in time,I can hear a very noticeable difference with the soundstage(,wider and higher),Instrments and voices are more detailed and airy and the overall sound is more live. I also recently bought a Rel S510 sub and Wow! It was probably my biggest upgrade. I know adding a second sub would complete the 20% on the 80 % upgrade but I live in a condo with neighbours downstairs so 1 is satisfying for me, should have done this years ago.

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