633 Engineering

product types: 

  • tube amplifiers
  • overdrive and boost effects


633 Engineering is a UK amplifier brand founded by Cliff Brown in 2013. Cliff had previously worked as Chief Design Engineer at Soundcraft Studer Group and then at Blackstar Amplification. 633 Engineering amps are hand made in the UK and they also build custom amps and overdrive effects.

Source: 633 Engineering website (18 September 2023)


633 Engineering Yelvertoft , NTH
United Kingdom
Northamptonshire GB