Mad Professor Old School 21RT 21W 1x12 Tube Guitar Combo Amp

  • Item # 1473774
  • Model # MAD-OS21RTC

As the name implies, The Mad Professor Old School 21RT is designed for classic guitar tones, from the '50s to modern times. You'll be able to get legendary tones from both sides the Atlantic that suit… Learn More

$1,999.99

Availability: In Stock & Ready to Ship

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Get old-school sound in a new-school package.

As the name implies, The Mad Professor Old School 21RT is designed for classic guitar tones, from the '50s to modern times. You'll be able to get legendary tones from both sides the Atlantic that suit country, pop, rock, reggae, soul, hard rock, alternative and every other style-name the clever marketing people at record companies come out with. No need for channel switching as these classic tones from clean to distorted are easy to get by adjusting your guitar’s volume and tone knobs. Coming from a pedal manufacturing company, this amp takes pedals very well. The amp has built in reverb and tremolo for the final old school touch. Call or click to order today!

Technical Specification

Mad Professor Old School 21RT 21W 1x12 Tube Guitar Combo Amp

  • Power: 21W (tube)
  • Tubes: four 12AX7 (preamp); two 6V6 (power amp)
  • Single channel
  • Single input
  • Speaker: 1x12 Jensen Stealth 100
  • Built-in reverb and tremolo
  • Outputs: 4, 8, 16 Ohm speaker outputs
  • Universal power switching between 100/120/230/240V
  • Dimensions: 24" x 10.25" x 20"
  • Weight: 49.82 lb.