Noise Technology – System Sound 2.0 – Full DIY Kit

From: £67.50 (Excl. VAT)

A feedback noise device for experimental music and sound art

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In essence, System Sound is a two channel mixer with a microphone, digital oscillator (sine/noise), two tilt EQs and a power amp. Simple standard circuits are connected in a clever way to enable various drones, noises, sound art and chaotic messes even with no input source connected.

Instantly get the sound of a cheap and horrible mixer feeding back, without patching. Add the microphone and some noise to make things even less stable. Mangle drum loops, guitars, scream into the microphone or gently saturate the oscillator.
Send it to your favourite modulation effect and zone out making drones with a touch of feedback to spice things up. Use a speaker to resonate your environment. Find hidden resonances in everyday objects using noise or the sine wav. Attach it onto a wall or a piece of plywood with the four mounting holes for more stability.

Create your own feedback system sound system!


  • Two high gain input preamps
  • An electret microphone
  • A digital oscillator, switchable from sine to noise (both with frequency control)
  • Two powerful (and slightly different) tilt equalisers
  • FM switch to send one input to the oscillator frequency input
  • An effects send with a blend to select which pair of sources are (mostly) sent, and even more gain
  • A normalised feedback loop for both inputs (pre send gain, post blend)
  • A ~1.3W Class AB power amplifier with funky Fahnestock quick-connectors and master volume
  • A line output for sending to a recorder, mixing desk, bass amp, …
  • 9V power input, Boss-style, or optional 9V battery adapter (not recommended for driving large speakers).

System Sound 2.0 – User Manual


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