The Marshall Time Modulator is an

analog delay line An analog delay line is a network of electrical components connected in cascade, where each individual element creates a time difference between its input and output. It operates on analog signals whose amplitude varies continuously. In the c ...

-based musical effects device created by Stephen St. Croix that could be used to produce a wide variety of

flanging Flanging is an audio signal processing, audio effect produced by mixing two identical audio signal, signals together, one signal delayed by a small and (usually) gradually changing period, usually smaller than 20 milliseconds. This produces a ...

and

chorus Chorus may refer to: Music * Chorus (song), the part of a song that is repeated several times, usually after each verse * Chorus effect, the perception of similar sounds from multiple sources as a single, richer sound * Chorus form, song in whic ...

effects. The device was heavily used by the record producer

Martin Hannett James Martin Hannett (31 May 1948 – 18 April 1991) was an English record producer, musician and an original partner/director at Tony Wilson's Factory Records. Hannett produced music by artists including Joy Division, the Durutti Column, A Cert ...

, who

Paul Humphreys Paul David Humphreys (born 27 February 1960) is an English singer, songwriter and musician. He is best known as the keyboardist and secondary vocalist of the Electronic music, electronic band Orchestral Manoeuvres in the Dark (OMD), which he f ...

has said "used it on everything". Bands who worked with Hannett described it as the "Marshall Time Waster."Hook, Peter (2013). Unknown Pleasures. Inside Joy Division. London: Simon & Schuster. ISBN 978-1-4711-2980-3. p. 42

References

Effects units {{Electronic-musical-instrument-stub