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This is NOT a toy, only for ages over 15.

Screaming Angels is a 6 voice stereo optical theremin.

It produces 6 triangle waves at similar but generally unrelated pitches so produces atonal sounds. The pitch of each triangle waves is controlled by its own light detector. These are paired off into 3 waveforms in the left channel and 3 waveforms in the right.

Copy this link into your browser for a demo:


It is powered by a single 9v battery (Not included). The switch on the side is a power switch. The output is via a 3.5 mm socket at line out level. Please note this is not a headphone socket, you will need something suitable to amplify the output e.g. a stereo with aux in, computer speakers, a soundcard input etc.

I will send a link to download the instructions for use once purchase has been made.

It measures 10cm x 8cm x 3.5cm

Screaming Angels - Electronic Musical Instrument - Light Controlled


Only 1 available


  • Handmade item
  • Materials: electronics, plastic box, spray paint
  • Ships worldwide from United Kingdom
  • Feedback: 128 reviews
  • Favorited by: 111 people

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