Pulsar Audio EchorecThe best software emulation of the Binson Echorec 2 The Pulsar Echorec is a software emulation of the iconic echo delay unit of the same name produced by the Italian brand Binson in the 1960s. The sound of this magnetic disk delay differs from the tape delays used at the time, and has largely contributed to the audio signature of many 70s bands: Pink Floyd, The Shadows, Jimmy Page etc. Vintage Echorec devices are known for their saturation, self