[time-nuts] Lead acid battery noise levels

Hal Murray hmurray at megapathdsl.net
Wed Jul 10 12:01:32 EDT 2013


andy at bardagjy.com said:
> The SRS 560 and 570, low noise voltage and current preamplifiers
> respectively, both use bog standard sealed lead acid batteries. 

Is that to reduce power supply noise or to get a clean ground that isn't 
connected to wall power?


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