Manley Variable Mu Limiter Compressor from 2011. Picture created November 7 2011 by PJ using a Canon EOS 550D camera with the Tamron 28-75 mm f/2.8 lens.
<a href="//commons.wikimedia.org/wiki/User:PJ" title="User:PJ">PJ</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>