old hi fi gear
Woody wrote:
Good idea to power up the amp every so often for a few hours to make
sure the reservoir caps don't dry out, otherwise keep it cool.
** Electro caps lose their electrolyte constantly and the warmer they are the faster it happens. Small caps are the most vulnerable.
When left uncharged for long periods, a chemical reaction takes place called "depolarising" that both reduces the cap's vale and increases its capacitance. If this happens to a reservoir cap,it may overheat and explode when the item is switched on.
Depolarising can be prevented by running the equipment on a regular basis.
More importantly, running equipment for a few hours warms it up and drives out any moisture that has collected.
..... Phil
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