ranatungawk
New Member
Hi;
I built a pre amp with LA3161 (please see the attachment). Basically it’s working fine, but it generate considerable level of noise. I set power (12V) with 230-12v transformer, bridge rectifier and smoothing cap (1000mfd). Then I feed power with a 12V battery, and found it was working fine with battery power. So please let me know how can I make a power supply with a fully smooth output.
I built a pre amp with LA3161 (please see the attachment). Basically it’s working fine, but it generate considerable level of noise. I set power (12V) with 230-12v transformer, bridge rectifier and smoothing cap (1000mfd). Then I feed power with a 12V battery, and found it was working fine with battery power. So please let me know how can I make a power supply with a fully smooth output.
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