Simul-Class™
Power Amp (Patents 4,532,476 & 4,593,251) featuring Multi-Watt™
(Patent Pending) and Duo-Class™ (Patent 7,173,488) technologies which
provide three power and three operating class options that are channel
assignable via 10/45/90 Watt Power Switches: Choose 2 power tubes
operating in pure vintage Class A (single-ended), producing 10 Watts -
2 tubes running in time-honored Class A/B producing 45 Watts or 4 tubes
running in Mesa’s legendary, patented Simul-Class Power that blends the
best of Class A and Class A/B simultaneously to produce 90 Watts of
pure tonal magic / 4x6L6 (or 4xEL-34), 7x12AX7, 1x5U4
• Bias Select Switch (6L6/EL34)
• Fixed Bias for Consistent, Maintenance Free Performance
• Full Power/Variac Power™ Switch (Patent 5,091,700)
•
3 Fully Independent Channels with 9 Modes (Channel 1 = Clean, Fat or
Tweed™, Channel 2 = Edge, Crunch or Mark I™, Channel 3 = Mark IIC+™,
Mark IV™ or Extreme)
•
Normal/Bold Switch on Channel 1, Normal/Thick Switch on Channel 2 (Mark
I mode only), Normal/Bright Switch & Pentode/Triode Switch on
Channel 3
•
Each Channel features: Independent Gain, Treble, Mid, Bass, Presence,
Master, Footswitchable or Auto-Assignable Contour Depth Control,
Footswitchable All-Tube, Long Spring Reverb Control, Rectifier
Tracking™ (Auto-selects Tube for all 10 Watt Modes, Diode for all 90
Watt Modes, selectable Tube or Diode for 45 Watt Modes on Channels 1
and 2, Diode for 45 Watt Mode on Channel 3 - Patents 5,168,438 &
7,193,458)
