Dual Polarity Unregulated PSU For High-End Audio Amps

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A power supply suitable
for use with the hi-fi amplifiers presented in the predeeding project is
perfectly simple, and no great skill is required to build (or design)
one. There are a few things one should be careful with, such as the
routing of high current leads, but these are easily accomplished. Design
of this power supply is very simple. A 4 ampere fuse is used to protect
the transformer and two LEDs at the end of
this circuit are used to indicate power state On and Off. At the ouptut
there are 6 capacitors used you can reduce the quantity of these filter
capacitors to 2 or according to your own choice.