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 Post subject: FET preamp 9 volt only?
PostPosted: Wed Jan 09, 2019 4:12 pm 
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Joined: Thu Jan 19, 2012 6:54 pm
Posts: 320
Does the FA 1 clone FET preamp have similar properties to a charge pump based boost?

Meaning that if there is more than 9 volts, the FA 1 clone IC will get damaged?


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PostPosted: Wed Jan 09, 2019 4:19 pm 
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Joined: Mon Feb 04, 2013 8:28 pm
Posts: 1352
Location: Richland, WA.
Nah, the IC can handle ± 25V.

HA1457 datasheet: http://nice.kaze.com/av/HA1457.pdf
2SK246 datasheet: https://www.promelec.ru/pdf/2SK246.pdf

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