The Marshall Time Modulator is an analog delay line-based musical effects device created by Stephen St. Croix that could be used to produce a wide variety of flanging and chorus effects.
[1][2] The device was heavily used by the record producer Martin Hannett, who Paul Humphreys has said "used it on everything".
[3] Bands who worked with Hannett described it as the "Marshall Time Waster.
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