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Schaffer–Vega Diversity System
diversity system The Schaffer–Vega diversity system (SVDS) was a wireless guitar system developed in 1975–76, engineered and prototyped by Ken Schaffer in New York City, and manufactured by the Vega Corporation, El Monte, California. A handheld microphone version was introduced in 1977.
This made it possible to use the systems on unused VHF television broadcast frequencies and protected the receivers from even strong spurious local signals (such as nearby police calls, taxi dispatch, etc.). Limited by the US FCC to 50 mW output, the Schaffer-Vega Diversity System maintained reliable transmission for up to 100 meters in a line of sight from transmitter to receiver. [12] In 2015, the audio section of the SVDS was put into production and brought to market as a stand-alone effect by Filippo "SoloDallas" Olivieri and selected for inclusion in Guitar Player Magazine's 2015 Hall of Fame.
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