DIY valve power amp blowing mains fuse HELP

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Sweetsound

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Guys, please help.  :help:

My valve power amp blew her mains fuse tonight whilst I was listening to some music. I thought, OK, let's just change the fuse and she'll be good to go...so she blew that one two! Any ideas?!

The fuse is a 1A glass type for what it's worth. All components used are new except the mains transformer (ST35 original), output transformers and choke. All electronics masterfully done by Karel Mars about 3 months ago, and she played perfect up to tonight.

Here's the original thread:

http://www.avforums.co.za/index.php/topic,17235.msg226727.html#msg226727

I checked and smelled for signs of burning around the mains transformer but nothing that I can pick up.

Thanks in advance...  :sweat:
 

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