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Office Master

Office Master 7780 Paramount Medium Adj. Lumbar Ergonomic Task Chair

Office Master 7780 Paramount Medium Adj. Lumbar Ergonomic Task Chair

Regular price $566.80
Regular price Sale price $566.80
Sale Sold out
Ships within 2-4 weeks

Customizations Total: $0.00

The Paramount 7780 medium ergonomic task chair features full-scale ergonomic adjustments such as adjustable lumbar, seat depth adjustment (seat slider), independent seat and back tilt, and easy ratchet back height adjustment. Provides traditional timeless design with a fabric panel back. A more basic styling designed for a broad range of workers and environments (such as mid-managerial levels). Paramount series chairs are an ideal choice for workplace standardization, given a breadth of complementary seat and back size options that truly fit users of virtually any physical stature.

Perfectly suited for users of average to medium statures. 300 lbs max.

NOTE: The above video demonstrates the general adjustment capabilities of a chair similar to model 7780. The actual functions & appearance of your chair may differ significantly from the video & illustration shown above. Please match the functions seen here with the functions listed for your model chair in the product description. For example, the Adjustable Lumbar is not available on the PT62 model, however it is available on many Paramount Series chairs.

Optional equipment available includes a wide variety of Arms, Memory Foam Seat, Cylinder, and Casters. See below for more detailed information.

A wide variety of 5 fabric grades as well as leather available with 429 total color options. See link to Fabric and Color catalog below:


Features & Benefits:

  • Adjustable lumbar
  • Pneumatic lift
  • Easy back height adjustment
  • Tilting backrest
  • Tilting seat
  • Seat depth adjustment
  • Swivel/rocking tilt
  • Tilt lock at any angle
  • Tension knob
  • Fabric panel back


  • Seat Height Range: 17" - 22"
  • Back Dimensions: 18" w x 21" h
  • Seat Dimensions: 20" w x 17.5"-20.5" d
  • Overall Width: 27"
  • Overall Height: 39-48"
  • Weight Capacity: 300 lbs
  • 12 year Limited Warranty 




  • 5" Black - Seat height range: 17" - 22" (standard)
  • 5" Black Heavy Duty - Seat height range: 17" - 22"
  • 4" Black Heavy Duty - Seat height range: 16" - 20"
  • 6" Black Heavy Duty - Seat height range: 18" - 24"

    TLC Seat:

    • Sigh-producing , dual-density seat cushion featuring 2 different pieces of co-molded foam (comfort + support layers). 

      Seat Slider (standard):

      • SLD - Seat depth adjuster, for that perfect fit of back and seat.

      Fabric Panel Back (standard):

      • Matching fabric applied onto outer back shell.


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