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Schiit Asgard 2 Fuse

post #1 of 6
Thread Starter 

Hi All,

 

Tis my first post so be gentle, I'm hoping you guys can help me! 

 

I bought a second hand Schiit Asgard2 the other day which turned out to be a US 115VAC version (I'm in the UK on 230V).  When it came it had some huge transformer and plug block MacGyvered to the plug to step the voltage down.  Unfortunately, although it works, the transformer buzzes like crazy and gets a bit too hot for comfort.  I googled the make and model of the transformer and apparently it is only designed to be used for a short period or it will overheat and cut out which is a pain.

 

After some extensive trawling of the internet, I found there are jumpers that can be altered inside the Asgard unit to change the transformer over from US 115v to UK 230v which should be simple enough.  I was wondering whether anybody had tried this modification and whether it works, and if so what type (slow/fast blow) and rating of fuse I would need to change the current one to so it will be compatible?

 

Any help would be appreciated.

 

Cheers

 

Rich


Edited by RD6320 - 5/30/14 at 5:25am
post #2 of 6
Can't tell you for sure about the jumpers, but it's a common feature in many amps.

As for the fuse, that's easy. Power=volts × current, so if the supply voltage is doubled, then you need to cut the amperage rating of the fuse in half. If Schiit used a 500ma fuse at 115V, then you need a 250ma fuse at 230V. (Don't worry about whether it's really 110V or 220V - the math difference is not enough to affect the rating of the fuse.)
post #3 of 6

Why not just ask ****? 

post #4 of 6
Thread Starter 

I did this morning but I wasn't expecting an answer so soon, they just replied now.  Can't complain at that for customer service.

 

I'm glad I can get it sorted now, it is a fantastic amp with my K702s.

 

Thanks very much for your help Tomb!

___________________________________________________

 

It’s a 1A fast-blow fuse, 5 x 20mm. Please note that changing the fuse to any non-qualified (audiophile) version will void the warranty.

 
Nick T.
 
Schiit Tech
post #5 of 6
Quote:
Originally Posted by RD6320 View Post
 

Please note that changing the fuse to any non-qualified (audiophile) version will void the warranty.

 

 

I like this line. 

 

A DIY turned MOT who shall remain nameless told me he once sold an amp to a guy who liked fuses. 

A few weeks later the guy called him up asking where he gets his fuses... 

The builder asked why, and was told that his customer bought and tested alllll sorts of fuses and in the end liked the one that the amp came with the best. 

It was from Radio-Shack. 

post #6 of 6
Thread Starter 

Just done the soldering and it works great, I'm the proud owner of a converted 230v Schiit Asgard!  

 

Thanks again everyone.

 

Rich

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