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Thermionic Culture Freebird | Media

Three-channel Equaliser
Published November 2011
By Hugh Robjohns

The images on this page accompany Hugh Robjohns' review of the Thermionic Culture Freebird valve equaliser, which appeared in SOS November 2011. The image names explain what each of the test plots — generated using an Audio Precision Analyser — illustrates.

Thermionic Culture Freebird | Media

Thermionic Culture Freebird | Media

Thermionic Culture Freebird | Media

Thermionic Culture Freebird | Media

Thermionic Culture Freebird | Media

Thermionic Culture Freebird | Media

Thermionic Culture Freebird | Media

Thermionic Culture Freebird | Media  

Published November 2011