Build a Tube Type Linear Amplifier For CB Or Other HF Bands Ep13: Building A Single 6JZ6 Amp Pt4March 11, 2020 Build a Tube Type Linear Amplifier For CB Or Other HF Bands Ep13: Building A Single 6JZ6 Amp Pt4 Adding “Super Mod” and an input circuit to the single tube 6JZ6 Amp.