Mesa Boogie Roadster Head

Multi-Watt™, Channel Assignable Power Amp (Patent 7,602,927) allows you to assign either 2 or all 4 Power Tubes to each Channel for Power Ratings of 50 or 100 Watts of Class A/B Power via independent 50/100 Watt Power Switches / 4x6L6 (or 4xEL-34), 6x12AX7, 2x5U4 • Bias Select Switch (6L6/EL34) • Fixed Bias for Consistent, Maintenance Free Performance • 4 Fully Independent Channels with 12 Modes (Channel 1 = Clean, Fat or Tweed™, Channel 2 = Clean, Fat or Brit, Channels 3 & 4 = Raw, Vintage High Gain or Modern High Gain) • Each Channel features Independent Gain, Treble, Mid, Bass, Presence, Master, All-Tube Long Spring Reverb, Channel Assignable Dual Rectification with Recto Tracking™ (Diode or Tube Tracking – Patents 5,168,438 & 7,193,458), Fully Buffered FX Loop with Send Level Control (over all channels when activated) • Output Level Control (over all channels when activated) • Footswitchable Solo Level Control – Patent 6,724,897 (over all channels when activated) • Bold/Spongy “Variac” Switch (Patent 5,091,700) • True “Hard” Bypass Switch that removes FX Loop, Output Level & Solo Level Controls from signal path • Tuner Output w/Footswitchable Mute • Slave Out w/Level Control • Fan Cooled (combo only) • External Switching Jacks for Channels 1, 2, 3, 4, Solo, Reverb, Tuner Mute, FX Loop • 8 Button Footswitch (Channel 1, Channel 2, Channel 3, Channel 4, Reverb, Tuner Mute, FX Loop & Solo) • Slip Cover