Hi everyone, firstly if this is in the wrong part of the forums please excuse me, I'm new here!
Firstly, gear: Thornes Td160 (Ortofon VMS3E, all others parts stock) Myryad MI120, Graham Slee Gram Amp, Celestion Ditton 44's.
So, out of nowhere a nasty, farty distorted bass has appaeared within...