This week’s amplifier head is the largest amplifier I’ve looked at so far in this weekly series. I’m still comfortable including the Jet City 20HV though because of the awesome Aerosmith video they include on the amplifier home page. Well, there are other reasons too, but I’d need an entire article to cover them all. Luckily, I have this article! … 52 Amplifier Heads, week 12—Jet City 20HV