"Tim Schwartz"

Also keep in mind as a possibility that the main filter caps are getting
tired, and a bit leaky, so that if the amp has not been switched on for a
week or 2, it might have abnormally high inrush current as the caps
charge/form back up.

** This is rather fanciful thinking.

An inrush surge ( on a 240V supply) that will take out a T3.15 fuse has to
be in the order of 40 to 50 amps. Toroidal transformers in the range of 220
to 300 VA with rectifiers and filter cap banks will provide such surges
almost every time they are switched on.


Lastly, the older 'spring wire' fuses seemed more tolerant of the inrush
current

** Correct, but hard to find them in other than 3AG size and they are much
more expensive.

compared to the modern chemically treated wire ones.


** Where did you hear this one ??

The ones I use are said to be made from "plated wire" - meaning a thick
tin plating over copper. Some are coil shaped and some are not.


It would be helpful if you would mention the make and model of the product
in your posts.

** Bloody oath it would.

What a colossal ASS Kook is for regularly leaving that crucial info out.


..... Phil