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3 low noise microphone preamplifier circuit using ne5532 lf356 .
Circuit Adjustable Bass Filter From 50 Hz To 150 Hz NE5532 - Xtronic
3 Low noise microphone preamplifier circuit using NE5532 LF356
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Ne5532 Preamp Schematic - PCB
NE5532 preamp works only in mono - diyAudio