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MP21 & MP21R Combos - Specifications and Facilities

General Features

• Professional combo guitar amplifier
• Performance and studio applications
• All valve signal path, with solid-state rectification
• Simple user controls, but with incredible tonal range
• Optional rugged wheeled flight case
• BalanceAmp™ weight distribution design to ease handling and minimise risk of toppling
• CoolAmp™ thermal design for optimum heat dissipation
• EMC tested and compliant
• CE marked and fully compliant with current safety regulations

Cabinet Features

• Solid hardwood or vinyl covered birch ply construction
• Open-back porting system
• 1 x 12" Celestion Vintage 30 Loudspeaker
• DiffusionGrille® sound dispersion system
• Laboratory instrumentation standard professional carry handles

Preamplifier Features

• Two selectable input gain settings
• Input gain level control
• Bass and treble boost and cut controls
  • (Bass +12dB, to -10dB @ 100Hz.)
  • (Treble +16dB, to -18dB @ 10,000Hz.)
• Switchable mid range boost control
  • (Middle +0dB to +10dB @ 600Hz.)
• * Accutronics long-delay spring line reverb.
• * Reverb. level control
• Two selectable output power settings
• Master volume control
• High gain volume preset control
• Series Fx loop
• Fx return level control
• GigProof® shock and vibration isolation system
• Dedicated ground terminal for electrical safety testing

Power Amplifier Features

• Power supply selectable 115v / 230v 50/60Hz.
• Dual soft-start system for power-on and play surge limitation
• Works with a variety of output beam tetrodes or pentodes
• External bias test points
• Easily accessible bias adjust controls
• Output power up to 55W mean (High output mode) 20W (Low output mode)
• GigProof® Shock and Vibration Isolation system
• Dedicated ground terminal for electrical safety testing

* Available only on MP21R Model