Audio Project Amplifier Speaker Loudspeaker Kit
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Battery Supplies - Click HERE for Original Thread
RichardJones
I am using battery supplies on my MOSFET power follower.

2 60Ah 12v SLA per channel.

Do I still need large value caps on the power supply?

Any recommendations for noise reduction etc...?

Thanks!
Jason Hubbard
You should use reservoir capacitors in parallel with the batteries - the current from the batteries relies on a chemical reaction, this inevitably will not be as instantaneous as may be required.

You might want to get some ideas about existing amplifiers notably the hiraga design using this battery/capacitor arrangement from;

http://www.gmweb.btinternet.co.uk/index.htm

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