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 # classic-47-variant-amp
-Headphone amp for the NE5532 that was available on eBay and other marketplaces in the early to mid 2010s.
+Headphone amp for the NE5532 that was available on eBay and other marketplaces in the early to mid 2010s. PCB reverse-engineered on October 2021; schematic redone in this release.