U-Turn Audio - Orbit Theory Turntable

Our most advanced turntable. Engineered for uncompromising playback.


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  • OA3 Pro Tonearm with one-piece magnesium armtube, dial counterweight, and adjustable anti-skate.
  • Choice of Ortofon 2M Blue or Bronze cartridge.
  • Ultra-quiet motor with electronic speed control (33/45 RPM).
  • Grooved acrylic platter with precision aluminum spindle and seamless silicone belt.
  • Adjustable-height aluminum feet with Sorbothane for vibration isolation.
  • Natural hardwood plinth in walnut, ebonized oak, or white oak.
  • CNET's Best Turntable Under $1000, TIME's Best Inventions 2023


We're proud to be an authorized online dealer of U-Turn Audio

Our most advanced turntable yet

Seriously detailed playback

Introducing our OA3 Pro Tonearm. One-piece magnesium armtube is light yet rigid for exceptionally low resonance. Upgraded gimbal bearing allows for near-frictionless tonearm movement. Easily adjustable for flawless tracking.

Loaded with upgrades

Sorbothane-damped feet. Grooved acrylic platter. Machined aluminum spindle. Every detail has been thoughtfully designed to elevate your listening experience.

Exclusively on Theory

Enhanced tonearm adjustability

Adjustable anti-skate and dial counterweight make it easy to fine-tune performance.

Ultra-quiet motor

Theory’s motor uses heavy-duty magnets to minimize vibration and ensure near silent operation.

Upgraded gimbal bearing

OA3 Pro features a high-precision bearing design with all stainless steel components.

Aluminum spindle and pulley

Machined from aircraft-grade alloy for increased precision and durability.

Easily adjustable for flawless tracking

Fine tune your tonearm to optimize cartridge performance. OA3 Pro’s dial counterweight allows you to set tracking force without a stylus gauge. And its adjustable anti-skate uses a hinged weight to apply consistent force across the entire record surface.

Precision engineered from the inside out

OA3 Pro’s upgraded gimbal bearing allows the tonearm to move with exceptional freedom. Both the bearing shaft and housing are machined from stainless steel and threaded for highly precise axial preload. This means less resonance in the tonearm and near-frictionless movement across the record. 

Pinpoint speed accuracy

Theory features a DC-powered sine wave generator system that monitors and adjusts speed thousands of times per second. Our advanced motor controller utilizes a crystal oscillator to drive the ultra-quiet motor with pinpoint accuracy. The result? Minimal wow & flutter and no motor noise during playback.


-72 dBA

Wow & Flutter


Orbit’s new groove

Our frosted acrylic platter is grooved to keep the belt in place. All platter surfaces are precision machined for ultimate flatness and virtually zero runout. The platter rotates on a machined aluminum spindle and inverted main bearing with self-lubricating polymer bushings.

Less vibration. More clarity.

Theory’s adjustable Iso-Level Feet are constructed out of aluminum and layered with Sorbothane – the gold standard for vibration isolation. Preventing vibrations from reaching the stylus lets you hear the most subtle details of your music with outstanding clarity.

Plug and play

Optional built-in phono preamp lets you connect to your favorite components. Featuring Pluto 2 technology with low-noise circuitry and high quality components like WIMA film capacitors and precision resistors.

Hand assembled in the USA

Our expert technicians assemble and test every turntable in our Woburn, MA workshop – allowing us to deliver a consistently high level of quality.

Expert support from real people

Whether you're a first-time vinyl listener or a seasoned audiophile, we’ll help you choose, set up, and care for your sound system. We stand by our turntables with a comprehensive 3 year warranty and 30 day return policy.


  • Playback speeds 33/45 RPM electronically changed
  • Dimensions 16.75 x 12.5 x 4.25"
  • Wow & flutter < 0.1%
  • Nominal speed +/- 0.5%
  • S/N Ratio - 79 dBA
  • Rumble < -72 dBA
  • Tonearm effective length 220 mm
  • Tonearm effective mass 8 g
  • Overhang 19 mm
  • Input voltage 115V/60Hz
  • Output connection RCA
  • Warranty 3-year limited warranty

Additional Info


  • Tonearm
  • Drive system
  • Plinth & Platter

Orbit Arm 3 Pro Tonearm Molded magnesium armtube with adjustable anti-skate and counterweight.

Cartridge Ortofon 2M Blue with nude elliptical stylus or Ortofon 2M Bronze with Nude Fine Line stylus.

Cue Lever Silicone-damped Cue Lever for easy tonearm operation.

In the box

  • AC Adapter
  • RCA Cables
  • Orbit Theory
  • Dust Cover
  • Felt Mat

Drive system

  • Ultra-quiet Motor AC synchronous with advanced motor controller.
  • Electronic Speed Control Change speeds (33/45 RPM) with the turn of a knob.
  • Drive Belt All-new seamless silicone belt.
  • Main Bearing Self-lubricating polymer bearings with stainless steel shaft. Precision aluminum spindle.

Plinth and Platter

  • Solid Hardwood Plinth Your choice of walnut or ebonized oak.
  • Isolation Feet Adjustable-height aluminum feet with Sorbothane for vibration damping.
  • Platter Grooved acrylic platter with frosted finish.