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Used Sunn 1200S Tube Head Late 1960s

This is a unique amp constructed in the late 60s / early 70s. The Sunn 1200S does work extremely well for guitar and bass depending on the cabinets you're utilizing. It runs a powerful 120 watts and has a ton of clean, clear headroom. It's powered by 4 6550s that really lead to the special tonal characteristic it has. It loves to be paired with vintage JBLs or Celestions. 


  • Bright input (x2)
  • Normal input (x2)
  • Volume
  • Treble
  • Bass
  • Contour
  • Rate Depth
  • Reverb
  • Mid Boost on/ off
  • Main output 8 ohms
  • Extension output 4 ohms

The amp is in pretty great shape for its age. It has been updated with a modern 3 prong power chord. The original spring tank has been swapped out. Tubes have been swapped due to standard maintenance through the amps life. The trem on this one is quite weak. 

If you have any questions please feel free to reach out!