Slow synth like loop edited from recording of a feedback loop.
Harsh, ringing feedback drone with fluctuations in tone
Aggressive and strong buzzing feedback drone
Harsh shuddering feedback drone
A glitchy square wave bass swell taken from a recording of a mixer feedback loop.
High pitched machinery noise randomly phasing and modulating
Rapidly pulsing shrill feedback drone
Shrill and chaotic gritty feedback drone
A rasping dirty bass feedback loop noise.
Choppy and thin distorted feedback loop