ジョン・スパイカー使用機材
John Spiker (Tenacious D)
ベース
・Fender Jazz Bass
・Fender Precision Bass
・Fender Tony Franklin Fretless Precision Bass
・Fender Mustang Bass
・Danelectro Dano '63 Long-Scale Bass
・Fender FB-55 Banjo
アンプ
・Fender Super Bassman Bass Head
・Fender Bassman 410 Neo Bass Cabinet
・Gallien-Krueger 1001RB-II Bass Head
・Gallien-Krueger 115RBH Bass Cabinet
・Gallien-Krueger 410RBH Bass Cabinet
・'80s Carvin Head
・Ampeg 4x10 Cabinet
・Ampeg Heritage B-15
・Crate GX-15 guitar amp
エフェクター
・Tech 21 SansAmp RBI Bass DI Preamp
・Fulltone Bass-Drive