Eric Zapata uses a dual-amp setup where both amps run into a single cab via a Radial Headbone VT. On the bottom is an Amplified Nation Steel String Singer, which was based on a Dumble Steel String Singer S/N #005. It contains four 6550 tubes running at a staggering 150 watts. The power section is articulate, punchy, and stays clean at extreme levels of volume. It also has a cathode follower driver tube, which is an additional 12AT7 located in the power section. The cathode follower adds output with extremely low distortion.

On top is a custom built Royal JPP100. The Royal and the Steel String run into what started out as a Marshall JTM45 4x12 cab, but he converted it to a 2x15 loaded with Electro-Voice 15L speakers.