The Benjola is an open source, analog, experimental music synthesizer. 
It is an expanded adaptation of the amazing <a href="http://casperelectronics.com/finished-pieces/benjolin/">Benjolin</a> synthesizer developed by dutch artist and engineer Rob Hordijk. 
<a href="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/VCO_v1.jpg"><img src="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/VCO_v1-300x192.jpg" alt="" title="VCO_v1" width="300" height="192" class="alignnone size-medium wp-image-983" /></a>

<a href="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/VCF_v1.jpg"><img src="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/VCF_v1-300x135.jpg" alt="" title="VCF_v1" width="300" height="135" class="alignnone size-medium wp-image-984" /></a>

<a href="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/Rungle_v1.jpg"><img src="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/Rungle_v1-300x185.jpg" alt="" title="Rungle_v1" width="300" height="185" class="alignnone size-medium wp-image-985" /></a>

<a href="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/BenjolaEcho.jpg"><img src="http://casperelectronics.com/wp-content/uploads/Benjolin/Benjola/BenjolaEcho-300x207.jpg" alt="" title="BenjolaEcho" width="300" height="207" class="alignnone size-medium wp-image-986" /></a>