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Smart Belle SR-71 Solid State Amplifier

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The new SR-71 features the following controls 

Channel 1

  • Volume
  • Level for FET Boost control
  • Bright
  • Mid
  • And Rock/Jazz switch
  • Treble 
  • Middle 
  • Bass

Channel 2

  • Drive
  • Volume

Master section 

  • Master volume
  • Presence 

Rear panel

  • D Style buffered effects loop with send and return controls and on off switch.

Foot Switch

FET Boost


Preamp boost

The Preamp Boost control is a feel supercharger that makes the amp move aggressive with a faster response.