A warm welcome to Colotube

Colotube builds and sells High End vacuum tube amplifiers – in the UK valve amplifiers - at the highest quality standards. After years of research and development, 

We would enjoy hearing from you. Contact us today.

The new little stereo amplifier has:

4 x 4PL1 

2 x 6SN7GT

Selling price $ 1900.-

Gino Colombo