Audio T Verdict
The Rega Atlas MK2 is a precision tracking force gauge designed for customers who want a more reliable and repeatable cartridge setup than a basic pocket scale or the markings on a tonearm counterweight can provide.
Its substantial aluminium case, temperature-compensated load cell and dedicated amplification circuitry are intended to provide dependable measurements over many years of turntable ownership.
Accuracy of ±0.01 g makes the Atlas suitable for fine cartridge adjustment, while the expanded MK2 measuring range of 0.5–10 g accommodates conventional Hi-Fi cartridges and a broader selection of specialist designs.
The custom front guard makes positioning straightforward by aligning with the edge of the platter. Once positioned and re-zeroed, the Atlas provides a stable reading with minimal complication.
Rega Atlas MK2 Tracking Force Gauge
The Rega Atlas MK2 is a precision electronic gauge for measuring the vertical tracking force applied by a turntable cartridge.
Correct tracking force is an essential part of cartridge and tonearm setup. The Atlas allows the applied force to be measured directly at the stylus rather than relying solely on the scale printed around a tonearm counterweight.
Inside the durable aluminium casework is a highly stable load cell and precision amplification circuit. A shaped front guard protects the measuring mechanism while helping position the gauge consistently against the edge of the platter.
Although designed by Rega, the Atlas is not limited to Rega turntables or cartridges. It can be used with suitable turntables and cartridges whose required tracking force falls within its 0.5–10 g measuring range.
Why Tracking Force Matters
Tracking force is the downward pressure applied by the cartridge stylus as it follows the record groove.
Every cartridge manufacturer specifies a recommended force or operating range. Applying the correct value allows the stylus suspension and generator to operate as intended.
Tracking Force Set Too Low
- The stylus may mistrack difficult passages
- Distortion may increase
- Central imaging may become less stable
- The stylus may move less securely within the groove
Tracking Force Set Too High
- The cartridge suspension may operate outside its intended range
- Stylus and record wear may increase
- Dynamic freedom may be reduced
- The cartridge may sit unusually low
Always begin with the cartridge manufacturer's specified tracking force rather than selecting a value by guesswork.
What Changed with the MK2?
The original Atlas was developed after Rega experienced reliability problems with outsourced tracking force gauges used within its tonearm production areas.
The redesigned MK2 expands the measuring range to 10 g and incorporates improvements to stability and sensitivity.
This broader range allows it to accommodate conventional moving magnet and moving-coil cartridges together with heavier-tracking specialist designs.
- Expanded 0.5–10 g measuring range
- Improved measurement stability
- Improved sensitivity
- ±0.01 g stated accuracy
- 20 g safe overload limit
- Automatic battery-saving sleep mode
Precision Load Cell
The Atlas uses a premium full-bridge shear-beam load cell.
The load cell converts the downward force applied to the measurement pad into an electrical signal. Precision amplification circuitry then processes that signal before the result is shown on the digital display.
Rega temperature compensates the load cell across a wide operating range to help maintain measurement stability as room conditions change.
The measuring system is also designed to resist deterioration and the effects of normal handling over time.
Consistent Gauge Positioning
The curved front guard is shaped to align with the outer edge of the turntable platter.
This helps place the Atlas in a repeatable position whenever tracking force is checked.
Consistent positioning is useful because tonearm geometry means that the measured force can vary slightly when it is checked at noticeably different points across the platter.
The front guard also helps protect the exposed measurement arm and stylus pad while the gauge is being handled or stored.
How to Use the Rega Atlas MK2
- Install a suitable 9 V PP3 battery in the compartment on the underside of the gauge.
- Switch on the Atlas using the rear rocker switch.
- Wait while the display shows its start-up sequence and returns to zero.
- Remove the turntable platter mat.
- Set the tonearm anti-skate or bias to zero where the arm provides an adjustable control.
- Lower the tonearm cueing lever so the lift platform will not support the arm.
- Place the Atlas on the platter with its curved front guard aligned against the platter edge.
- Press the Zero/Wake button to re-zero the gauge in its measuring position.
- Use the tonearm finger lift to position the stylus gently on the measurement pad.
- Allow approximately three seconds for the reading to settle.
- Adjust the tonearm counterweight as required.
- Repeat the measurement until the recommended tracking force is reached.
- Return the anti-skate or bias control to the appropriate setting.
- Switch off the Atlas using the rear rocker switch after use.
Lower the Stylus Carefully
Use the tonearm finger lift and lower the stylus gently onto the measuring pad.
Do not drop the tonearm or drag the stylus across the surface of the gauge. The stylus and cantilever are delicate and can be damaged by sudden or sideways movement.
Removing the Platter Mat
Rega recommends removing the platter mat before positioning the Atlas.
This provides a firm and level support for the gauge and prevents soft fibres from pressing against the underside of the measurement mechanism.
Check that there is no dust, felt or other obstruction beneath the measurement arm before zeroing the unit.
Setting Anti-Skate or Bias
Where the tonearm includes an adjustable anti-skate or bias control, reduce it to zero before taking the measurement.
This removes the lateral force which would otherwise pull the tonearm sideways while it is resting on the gauge.
Some tonearms use automatic or fixed bias and do not provide a user adjustment. Do not attempt to force or modify a fixed mechanism. Audio T can advise on the correct procedure for your particular tonearm.
Restore the Bias Setting Afterwards
Remember to return the anti-skate or bias control to the correct operating position once the tracking force has been set.
Leaving an adjustable bias control at zero may affect cartridge tracking during normal record playback.
Zeroing the Gauge
For the most accurate result, position the Atlas on the platter before pressing the Zero/Wake button.
The gauge must remain still while it is zeroing. Moving it during this process may cause an incorrect reading or trigger the CAL warning.
Ensure the Atlas is level and that nothing is touching the measurement arm or pad.
Using the Atlas with a Suspended Turntable
Pressing the Zero/Wake button may disturb the suspension of some turntables and prevent the gauge from zeroing correctly.
Where this occurs, Rega advises zeroing the Atlas on a firm, level surface before carefully transferring it to the platter.
A small temporary weight can be left on the measurement pad during transfer to prevent the gauge from entering sleep mode. Remove the weight carefully once the Atlas is positioned.
Audio T can check tracking force and wider setup on suspended turntables where the process is less straightforward.
Measurement Pad Position
Place the stylus near the centre of the measurement pad.
Rega states that a slightly off-centre stylus position will not affect measurement accuracy, but careful central placement reduces the possibility of the stylus slipping from the pad.
Allow approximately three seconds for the load cell and display to settle before using the reading.
Automatic Display and Sleep Mode
When switched on, the display briefly illuminates before returning to zero.
The display then switches off while the green power indicator remains illuminated. The Atlas is ready to measure in this state.
Applying force to the measurement pad automatically activates the display and shows the measured tracking force.
After approximately 45 seconds without detecting any weight, the Atlas enters sleep mode to conserve battery power and the indicator changes from green to red.
Press the Zero/Wake button to reactivate and re-zero the gauge.
Battery Information
The Atlas requires one 9 V PP3 battery.
The battery compartment is located on the underside of the unit.
When the remaining battery level is low, “Bat” appears on the display. Replace the battery before relying on the gauge for further cartridge adjustment.
Switch the Atlas off using the rear rocker switch after measuring rather than relying solely on sleep mode.
CAL Display and Troubleshooting
The Atlas is designed to be maintenance free, but a severe shock or unsuitable setup condition may cause “CAL” to appear on the display.
Before arranging service, check that:
- The gauge is on a firm and level surface
- The unit was not moved during zeroing
- Nothing is touching the measurement arm
- No platter-mat fibres are trapped underneath
- No weight is resting on the pad during start-up
- The battery has sufficient charge
Switch the unit off, correct the setup and restart it. If CAL continues to appear, the Atlas may require inspection or recalibration.
Audio T Setup and Support
Audio T staff can help diagnose operating problems, check the Atlas and set the tracking force, cartridge alignment and bias on your turntable.
Contact your local Audio T store
for cartridge setup advice, turntable servicing or further information.
Safe Measuring Range
The Atlas MK2 measures forces between 0.5 g and 10 g.
Do not confuse the 20 g safe overload specification with the normal measuring range. It describes the maximum accidental load the mechanism is designed to withstand safely, not a recommended cartridge setting.
Avoid pressing on the pad by hand, resting equipment on the measurement arm or using the Atlas as a general-purpose weighing scale.
Suitable for Moving Magnet and Moving-Coil Cartridges
Tracking force is a mechanical cartridge requirement and is separate from whether the cartridge uses a moving magnet or moving-coil generator.
The Atlas can therefore be used with either type, provided the manufacturer's recommended tracking force falls within the gauge's measuring range.
It can also be used with cartridges from manufacturers other than Rega.
When Should Tracking Force Be Checked?
Tracking force should be checked whenever:
- A new cartridge is installed
- A tonearm counterweight has been removed or moved
- The turntable has been transported
- The cartridge body appears unusually low
- Tracking or distortion has changed unexpectedly
- The turntable has received an impact
- A suspended turntable has been serviced
- Routine turntable maintenance is carried out
It is also sensible to check the setting periodically, particularly where the turntable is moved, cleaned frequently or accessible to children or pets.
Tracking Force Is Only Part of Cartridge Setup
Accurate tracking force is important, but it does not correct other turntable or cartridge setup issues.
A complete cartridge installation may also require:
- Correct cartridge alignment
- Secure mounting bolts
- Correct tonearm balance
- Suitable anti-skate or bias
- Correct tonearm height where adjustable
- Suitable azimuth where adjustable
- A level and stable turntable support
- A clean and undamaged stylus
Audio T can install and align suitable cartridges and check the complete turntable setup rather than adjusting tracking force in isolation.
Care and Storage
Switch off the Atlas after each use and store it in a dry area at a stable room temperature.
Protect the measurement pad and arm from snagging, pressure and accidental impact.
Do not place other accessories on top of the gauge and do not store it where the measurement arm can catch on packaging, fabric or cables.
Clean the aluminium case with a soft, dry cloth. Do not apply cleaning fluid to the measurement pad or allow liquid to enter the case.
What the Rega Atlas MK2 Does Not Do
No Cartridge Alignment
- Measures tracking force only
- Does not set cartridge overhang
- Does not replace an alignment protractor
- Does not check cartridge azimuth
No Automatic Tonearm Adjustment
- Does not move the counterweight
- Does not set anti-skate or bias
- Does not alter tonearm height
- The user must make the required adjustments
No Turntable Speed Measurement
- Does not measure rpm
- Does not adjust motor speed
- Does not replace a strobe kit
- Does not connect to a turntable power supply
No Cartridge Diagnosis
- Does not assess stylus wear
- Does not test channel balance
- Does not identify suspension damage
- A visual or technical inspection may still be required
Not a General-Purpose Scale
- Designed for cartridge tracking force
- Not a commercial weighing instrument
- Normal measuring limit is 10 g
- Do not use the pad for unrelated objects
Who Is the Rega Atlas MK2 For?
A Good Choice If You:
- Want precise cartridge tracking force adjustment
- Install or change cartridges regularly
- Own a high-performance moving magnet or moving-coil cartridge
- Want greater confidence than a counterweight scale alone provides
- Need a measuring range of up to 10 g
- Want durable aluminium construction
- Value repeatable positioning on the platter
- Maintain more than one turntable
- Want a long-term turntable setup tool
Consider Another Option If You:
- Need to align the cartridge rather than measure force
- Need to measure turntable speed
- Require a commercial weighing instrument
- Need to measure below 0.5 g
- Need to measure above 10 g
- Would prefer Audio T to complete the entire turntable setup
Key Features
- Precision electronic cartridge tracking force gauge
- MK2 version with expanded measuring range
- Suitable for compatible moving magnet and moving-coil cartridges
- Compatible with Rega and suitable non-Rega turntables
- ±0.01 g stated accuracy
- 0.5–10 g measuring range
- 20 g safe overload limit
- Premium full-bridge shear-beam load cell
- Temperature-compensated measuring cell
- Precision amplification circuitry
- Measurement shown to two decimal places
- Durable aluminium casework
- Custom front measurement guard
- Repeatable platter-edge positioning
- Automatic display activation
- Automatic battery-saving sleep mode
- Zero and wake control
- Low-battery warning
- Powered by a 9 V PP3 battery
- Lifetime limited warranty against confirmed manufacturing defects
Required for Operation
- One suitable 9 V PP3 battery
- A turntable with an accessible platter and tonearm
- The cartridge manufacturer's recommended tracking force
Frequently Asked Questions
What does the Rega Atlas MK2 measure?
It measures the vertical tracking force applied by a turntable cartridge stylus.
How accurate is the Atlas MK2?
Rega specifies accuracy of ±0.01 g.
What is its measuring range?
The MK2 measures tracking force from 0.5 g to 10 g.
What does the 20 g safe overload specification mean?
It is the maximum accidental load the mechanism is designed to withstand safely. The normal measuring range ends at 10 g.
Can it be used with non-Rega turntables?
Yes. It can be used with suitable turntables and cartridges whose required force falls within the available measuring range.
Can it measure moving magnet and moving-coil cartridges?
Yes. Cartridge generator type does not affect tracking force measurement.
Should I remove the platter mat?
Yes. Rega advises removing the mat before positioning and zeroing the Atlas.
Should anti-skate or bias be set to zero?
Set an adjustable anti-skate or bias control to zero before measuring. Do not attempt to alter a fixed or automatic mechanism.
Where should the stylus touch the gauge?
Lower it gently onto the measurement pad. Aim for the centre, although Rega states that a slightly off-centre position will not affect accuracy.
How long should I wait for the reading?
Allow approximately three seconds for the displayed measurement to settle.
Why has the indicator turned red?
The Atlas has entered sleep mode after approximately 45 seconds without detecting any weight.
How do I wake it from sleep mode?
Press the Zero/Wake button. The gauge will re-zero and the indicator will return to green.
What does “Bat” mean?
It indicates that the 9 V PP3 battery is low and should be replaced.
What does “CAL” mean?
It can indicate an unsuitable zeroing condition or a need for recalibration. Restart the gauge on a level surface with nothing touching the measurement arm. Contact Audio T if the warning remains.
Can it be used on a suspended turntable?
Yes, although the Atlas may need to be zeroed on a firm, level surface and then transferred carefully to the platter.
Does it align the cartridge?
No. Cartridge alignment requires a suitable protractor or model-specific mounting system.
Does it measure turntable speed?
No. A separate product such as the Rega Strobe Kit is required to check platter speed.
Why Buy From Audio T?
- Specialist turntable and cartridge advice
- Help confirming the correct tracking force for your cartridge
- Cartridge installation and alignment support
- Tracking force and anti-skate setup
- Turntable health checks and servicing advice
- Help diagnosing mistracking, distortion and excessive hum
- Advice on suitable Rega and non-Rega cartridges
- Rega Strobe Kit and turntable speed guidance
- Demonstrations and practical setup advice from experienced staff
- Ongoing support from the UK's oldest independent specialist Hi-Fi retailer
Contact your local Audio T store
for more information about the Rega Atlas MK2 or help setting up your turntable and cartridge.