The Schaffer Replica by SoloDallas

What stands out

• “The SoloDallas Schaffer Replica recreates the Schaffer-Vega Diversity System, a wireless guitar transmitter Ken Schaffer designed and Vega released in 1976 that Angus Young used both live and in the studio, including on Back in Black, …”

  — from the listing

• “Its use case reproduces exactly what the original SVDS did for Young, adding a specific overdrive boost and compression character to the front of an amp, distinct from a standard overdrive pedal's voicing”

  — from the community notes

• “In a chain it sits ahead of the amp exactly where a wireless transmitter would, its circuit shaping gain staging before the tone ever reaches the power tubes”

  — from the community notes

• “AC/DC gear historians treat this as one of the great detective stories in guitar tone chasing, a thirty-year hunt that ended but with a wireless transmitter nobody realized was quietly shaping one of rock's most reco…”

  — from the community notes

• “Builder Fil Olivieri, an AC/DC fan going by SoloDallas, spent thirty years buying up every piece of gear he knew Young had used trying to chase his tone before finally reading a 1984 interview where Young mentioned the SVDS and its two cont…”

  — from the listing