Tube Guitar Amp Head from Jet City Amplification
Jet City Amplification will expand in 2013 their Flex programmable technology and will apply it to the 20HFLEX guitar amp head.
![[NAMM] Jet City 20HFlex amp head](https://img.audiofanzine.com/img/product/normal/1/7/173263.jpg?fm=pjpg&w=334&h=243&fit=contain&s=1beab3caf2a048e8c294a16f16c33687)