U-Turn Audio Orbit Theory Turntable User Guide
- June 4, 2024
- U-Turn Audio
Table of Contents
Orbit Theory Turntable
User Guide
Getting started
A. Remove the foam block from the spindle. Remove the foam ring and twist
the tie from the tonearm.| B. Place the platter on the spindle. Connect
the power adapter and plug in the RCA cables.
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Install belt
A. Wrap belt around pulley groove. Then hold the belt along the platter’s
back edge with your right hand.
B. Keeping your right hand in place, use your left hand to guide the belt
into the groove around the platter.
C. Change speeds (33 or 45 RPM) using the speed control knob.
Level turntable
A. Position the turntable on a stable surface. Place bubble level
(included) anywhere on top of the plinth.| B. If the bubble is not
centered, adjust the height of the feet to level the turntable. Turn the
bottom of the foot to raise or lower it.
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Turntable is level
Lower back foot or raise front feet
Raise front left foot or lower front right and back foot
Tonearm setup
Important: Follow all steps for balancing the tonearm. Incorrect balancing may cause damage to the stylus or your records. For help, visit uturnaudio.com/learn.
A. Install counterweight
With tonearm in rest, slide counterweight onto tonearm until it covers about
half of the indicator
line. The counterweight will click into place.| B. Remove stylus
guard
Pinch the tab on the bottom of the stylus guard to release and remove it. Do
not touch the stylus.
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Tonearm setup continued
A. Lower cue lever before balancing tonearm| B. Make sure anti-skate
is turned off. To do so, lift the anti-skate rod up until it clicks into
place.
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Balance tonearm
A. Position tonearm
Remove tonearm from rest and hold the
headshell over the platter. Do not allow
the stylus to touch the platter.| B. Adjust counterweight
While holding the headshell, rotate the entire
counterweight backward until tonearm is balanced
and floating horizontally when the headshell is released.
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Set tracking force
A. Calibrate counterweight dial
Place tonearm in rest. While holding the counterweight so it does not move,
turn only the
dial so the“0” marking lines up with the indicator line.| B. Set tracking
force
Rotate the counterweight and dial together until the
indicator line is aligned with the desired tracking force
value on the dial.
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Set anti-skate
A. Activate anti-skate
Push the anti-skate rod down until it clicks out of the locked position and
rests on the tonearm base.| B. Adjusting anti-skate force
To adjust the anti-skate force, move the anti-skate weight to the desired
setting on the anti-skate rod.
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Final setup
A. Install dust cover
Slide the dust cover onto the hinges.| B. Using the built-in phono preamp
(if equipped)
The preamp is enabled when the preamp LED light is
on. To turn the preamp on or off, press the bypass switch.
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Orbit Theory Diagram
3-year warranty
We stand by our products with a 3-year warranty that covers any defects in
materials or workmanship.
You can view our full warranty policy at
uturnaudio.com/warranty.
If you need warranty service, please contact us at
[email protected] or by phone at
781-451-1445.
Additional support
Setup videos & tutorials
uturnaudio.com/learn
Email
[email protected]
Phone
781-451-1445