Simul-Class™ Power Amp (Patents 4,532,476 & 4,593,251) featuring a 45/90 Watt Power Switch that incorporates concept elements from our Patent Pending Multi-Watt™ and Patented Duo-Class™ technologies providing two power and two operating class options: Choose 2 power tubes operating 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

• Bias Select Switch (6L6 / EL34)
• Fixed Bias for Consistent, Maintenance Free Performance
• Single Channel simplicity with the performance versatility of a Multi-Channel amp through 3 Footswitchable Modes (Classic Boogie Clean, Vintage Low Gain, Vintage Hi Gain)
• Channel Control Features: Volume (Gain), Treble, Mid, Bass, Presence & Master Volume
• Slip Cover
• All-Tube, Long Spring Reverb with Auto Reverb Defeat Switch for Vintage Hi and Lo Modes (Defeat Mode removes Reverb from Vintage Hi or Low Modes but retains Reverb on Clean Mode – Normal Mode applies Reverb to all Modes)
• Reverb Hard-Bypass Switch removes entire Reverb Circuit from amp
• FX Loop w/Automatic Hard-Bypass to completely remove when not in use
• Slave Out w/Level Control
• External Switching Jacks for Vintage Low/Hi (Clean is default) & Reverb
• 17” Aluminum Chassis (rack-mountable option available)
• 2 Button Footswitch (Classic Clean, Vintage Low/Hi)

NOTE: Mesa Boogie products are excluded from Free Shipping and Discount Coupons.