Tuesday, November 7, 2017

How to distort the bass drum sound of Oberheim DMX


It can be instantly done by connecting a small signal transfomer to the mono line out.


The bass drum volume control is at max. While increasing the master volume control and approaching the max position magic distortion begins to take place.


The transformer used is a bought from Canford UK 1/4in mono jack which has a tiny transformer inside it. Possibly both components made by Neutrik? It is very convenient too as it acts like a DI. In this case hi Z to a low Z that can drive even 150Ω headphones. The Sennheiser HD580 headphones were used bridged to mono so the resultant impedance is 300Ω//300Ω=150Ω.


Setup, signal path:


Oberheim DMX, line mono out - Canford 1/4in jack transformer or impedance converter - Sennheiser HD580


It ties up with the preliminary experiments of analog simulation of magnetic analog sound recording. A transformer instantly records and plays back a music signal by the magnetic field linking both windings.


The distorted bass drum sound reminds of Say it Right - Furtado



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