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Re: Maximum draw on 90 volt power supply


A cable system usually draw amperage at a certain cable temperature. But when it get hotter in the summer the coaxial cable will draw more current due to higher cable loss. This is more important if your summer versus winter temperature is high, specially for northern cable system. Florida is not much affected by this problem, but here in northern Quebec the temperature is around + 15C in the summer and - 40 C in the winter and sometime more.
Because of that if you do not use a reserve for summer temperature you can have HUM in your system in the summer if you have designed the system for 15 Amps for cold weather and this 15 amps draw can go around 17 amps if no more in the summer, which is outside of most amplifier capacity.
Joe 50
This is CABL.com posting #306193. Tiny Link: cabl.co/mbrOL
Posted in reply to: Re: Maximum draw on 90 volt power supply by infoaddict
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