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RC3U-20 3 Space ATA Rack

Every OSP ATA rack-case is custom designed with rugged 3/8" laminate plywood and industrial-grade hardware, keeping your gear safe and ready roll when you are.


For over a decade, OSP has been providing quality cases for affordable prices. Whether you're rolling into a different arena every night, setting up and tearing down a portable church every Sunday, or simply taking your amp across town for this week's gig, you'll find an OSP case to be a perfect companion for keeping your gear safe during transport.

  • 3/8" Plywood with Black Laminate
  • Tongue and Groove Metal Railing with High-Impact Ball Corners
  • Industrial-Grade Rivets, Latches, Slip-Resistant Rubber Feet
  • 3-Space standard 19" Rack Rails (Front/Back), 20" deep (excluding lids)


3 Space, 20" deep. 1/4" Plywood with laminate.

Full Outside Dimensions (includes allowances for casters, ball corners & feet as applicable):

  • 21.25"(W) x 7.25"(H) x 26.5"(D)

Product Weight:

  • 18.6 lbs

Shipping Dimensions and Weight:

  • 24.25"(W) x 8"(H) x 27"(D)

  • 21.5 lbs