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Sphere on Spiral Stairs
  • Professional Audio

  • Design & Manufacturing

  • Analog & Digital Mixers

  • Related Technology R&D

Sphere on Spiral Stairs


1977 - 1995

Trident Audio Head of R&D

Peter worked in the Trident factory at Shepperton film studios, building, testing, installing and designing custom studio mixers. He maintained several of the mixers in London studios and theatres, including Trident Studios,

and also serviced several international locations.

1995 - 2002

Mackie Designs EVP Engineering

Peter relocated to Seattle as chief mixer engineer, and later managed worldwide engineering operations,

including subsidiary's in USA, Canada and Europe.

2003 - present

Stonepower Ltd Managing Director

Peter started his design and consulting company, based in the UK and China.

Stonepower has worked with numerous international pro-audio brands, contract manufacturers and suppliers.


The company focus is continuing research and development of analog and digital mixers, and related technologies,

such as DSP effect chips and modules.



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