A cheap fuse is much like cheap tubes, cheap sockets,cheap interconnects and cheap speaker wires, cheap power cords etc.
They all work.
If that's all you want stick with them.
Some of us have found out that upgrading the fuse makes an improvemnent, just like upgrading the other things i've listed.
While you're at it, upgrade to dedicated 20 amp lines, and better receptacles, better IEC connectors and RCA inputs.
The total end result is well worth the extra few dollars.
