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Ruby: A battery-powered amplifier



Ruby: A battery-powered amplifier

Ruby is a battery-powered amplifier and it is an “enhanced” version of the Little Gem. This amplifier is based on LM386 chip and has an input buffer that is feeding the inverting input. The input buffer helps to retain treble detail going into the 386 chip. It is powered from a single 9V battery. Check schematic and construction details on the link below.

Ruby : A battery-powered amplifier – [Link]

Via Electronics-Lab.com, Published: 2010.08.23


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