Step 4Parts and tools...
Soldering iron and solder
Drill and bits
Stepped drill bit (for large holes--fuse holder)
Screw drivers, etc.
Parts
-- Isolation transformer
-- Fuse holder and fuse
-- Scrap wood
-- Heat-shrink tubing
-- Three-prong cord (scavenged from an old computer)
-- Line wire, misc wire, wood screws, etc.
-- Metal plate for mounting fuse holder
-- Strain-relief for the cord
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Current draw can be calculated from wattage and voltage:
I = W / E (current = wattage / voltage)
For a 35 watt amp:
35 / 120 = ~290mA
Add maybe 2-3% for the iso transformer, and the lowest practical value is probably about 500mA (or 0.5A); but use 350mA or 400mA if you can find one...