Thunderbird IV Gibson USA Nikki Sixx Thunderbird Bass Epiphone Thunderbird IV Epiphone Nikki Sixx Blackbird Epiphone Goth Thunderbird IV Epiphone Special Run Thunderbird IV limited edition silverburst Epiphone Thunderbird Pro IV Epiphone Thunderbird Pro V Epiphone Thunderbird Classic-IV Pro Gibson Thunderbird non-reverse bass Epiphone Thunderbird Vintage Pro Features of current and recent models The standard Gibson Thunderbird IV has a nine-ply mahogany-walnut neck-through with mahogany wings attached to form the body, and was offered in vintage sunburst or walnut finishes. The Nikki Sixx Thunderbird bass has a mahogany-walnut neck-through with flame maple wings attached to form the body, finished in transparent black cherry. The fretboard is inlaid with red acrylic Xs at the third, fifth, seventh and twelfth frets. The Gibson Thunderbird Studio models (which were also available as five-string versions) have mahogany necks set into mahogany bodies. This model was discontinued in 2007. The Gibson Thunderbird IV zebra wood bass, 2007, limited run of 400 (Gibson guitar of the week, week 11)."ZebraBird" Thunderbird short scale bass, 30.5 inch scale, 2011, limited run of 400. "Short Scale Thunderbird" The Epiphone Thunderbird IV, a budget alternative to the Gibson models, has a maple bolt-on construction onto a mahogany body, and is finished in vintage sunburst or ebony. It was produced from 1999 through 2021. The Epiphone Goth Thunderbird is similar to the Epiphone Thunderbird IV. However, it has a mahogany body, a Celtic cross symbol on the pickguard, and is finished in a "pitch black" flat finish. The Epiphone Nikki Sixx Blackbird is similar to the Epiphone Goth Thunderbird in build and appearance. However, in addition to the mahogany body, it has a slim profile mahogany neck, the fretboard is inlaid with white iron cross fret markers, the Thunderbird logo is overlaid on an iron cross for the symbol on the pickguard. It also features "Deep Sixx" humbucker pickups, an "Opti-Grab" handle on the tailpiece and an on-off switch instead of traditional volume-tone controls. The Epiphone Thunderbird IV limited edition, a budget alternative to the Gibson models, has a maple neck bolted onto an alder body, Alpine white finish with black hardware and assembled at the Epiphone Custom Shop in Korea. This model is currently no longer produced. (Epiphone has had other runs of the LE in other colors, as well.) The Epiphone Special Run Thunderbird-IV limited edition silverburst is also an Epiphone alternative to the Gibson model with a maple