Member Blog Posts: amplifier, battery
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Battery-Powered Amplifier Known as Ruby
Posted Feb 03, 2012 By Circuit ProjectsThe circuit has been enhanced from another version of battery-powered amplifier where an input buffer feeding the inverting input and the volume control changed from the output rheostat to the type and placement while reducing the gain potentiometer from 5K to 1K Ohms.
The treble detail…
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