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Mobile Fidelity UltraDeck +M

Manual belt-drive turntable with pre-mounted MasterTracker cartridge

Item # 406UDPLUSM

The audiophile-grade, factory-installed MasterTracker cartridge brings out extreme accuracy and detail.

The audiophile-grade, factory-installed MasterTracker cartridge brings out extreme accuracy and detail.

Item # 406UDPLUSM

In stock

Other options

Since 1974

Years of experience making people happy.

60-day returns

If you don't love it, send it back.

Free lifetime tech support

Whenever you need a hand.

About the Mobile Fidelity UltraDeck +M

An audiophile-grade turntable, made in the U.S.A.

Mobile Fidelity created this audiophile-grade turntable for fans to play the company's limited edition remastered records on. The amazing Mobile Fidelity UltraDeck features a factory-installed MasterTracker cartridge, designed by Mobile Fidelity to bring out extreme accuracy and detail from your records.

An audiophile-grade turntable, made in the U.S.A.

Mobile Fidelity created this audiophile-grade turntable for fans to play the company's limited edition remastered records on. The amazing Mobile Fidelity UltraDeck features a factory-installed MasterTracker cartridge, designed by Mobile Fidelity to bring out extreme accuracy and detail from your records.

Praise for the Mobile Fidelity UltraDeck from Stereophile magazine:

"The MoFi UltraDeck is one of the most lucid-, engaging-, and natural-sounding record players available for under $5,000. Highly recommended."

—Herb Reichert, Stereophile February 2018
Read the full review

The American-made Mobile Fidelity UltraDeck looks great and sounds amazing.

The American-made Mobile Fidelity UltraDeck looks great and sounds amazing.

Thoughtful, innovative design

Mobile Fidelity asked some legendary designers to weigh in on the details of the UltraDeck, because they know details matter to audiophiles. They used a dense, noise-reducing polymer called Delrin® to make the platter, and had a former NASA consultant design the 'table's unique anti-vibration feet. A clever inverted bearing system makes the platter spin flawlessly.

They also worked hard to foolproof the initial setup process by simplifying placement of the counterweight and anti-skating weight. To make things even easier, the Mobile Fidelity UltraPhono phono stage with headphone amplifier and its little brother, the StudioPhono without headphone amplifier, are both perfectly matched to this turntable — straight out of the box.


Product highlights:

  • Featured in our article: Best turntables for 2023
  • made in the U.S.A.
  • 10-inch straight Ultra aluminum gimbaled bearing tonearm for smooth tracking
  • adjustable tracking force, vertical tracking angle, azimuth, and anti-skate
  • 300 RPM stepped-pulley AC motor provides excellent speed stability
  • plinth: three aluminum plates bonded to a solid MDF body
  • includes pre-mounted MoFi MasterTracker moving magnet cartridge
    • Micro-Line diamond stylus traces grooves with microscopic precision
    • frequency response: 20-25,000 Hz
  • solid 1-5/16" Delrin® polymer platter
  • Cardas Audio wiring maintains pristine signal purity throughout the signal path
  • steel inverted bearing system for smooth, quiet platter rotation
  • unique MoFi anti-vibration feet isolate your turntable from sound-muddying vibrations
  • 33-1/3 and 45 rpm speeds (manual speed change)
  • signal-to-noise ratio: 74 dB
  • wow and flutter: 0.017-0.025%
  • gold-plated RCA and ground terminal connectors (cable included)
  • 19-11/16"W x 6"H x 17"D
  • weight: 24.1 lbs.
  • warranty: 3 years (1 year for the supplied cartridge)
  • Our 60-day money-back guarantee
  • requires a phono preamp or phono input on receiver or preamplifier
  • MFR # UltraDeck +M

What's in the box:

  • Turntable
  • Tonearm (installed)
  • MasterTracker catridge/stylus (installed)
  • Platter
  • Belt
  • 6.5' AC power cord
  • 49" Stereo RCA cable
  • Counterweight
  • Anti-skate weight
  • Stylus brush
  • Dust cover (installed)
  • 2 Hex-screws
  • Hex-screwdriver
  • 2 Hex-wrenches
  • Turntable Instructions
  • Catridge Instructions
  • "Attention!" note
  • "Please Note:" sheet
  • Warranty Card
  • MoFi brochure

Customer reviews

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Mobile Fidelity UltraDeck +M reviews

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More details on the Mobile Fidelity UltraDeck +M

Stacey B.

Features & specs

Color Black
Operation Manual
Speeds 33-1/3, 45
Drive Type Belt
Pitch Control No
Phono Preamp No
USB Output No
Bluetooth Built-In No
45 RPM Adapter Yes
Audio Cable Detachable
Power Cable Detachable AC Cable (3-pole)
Materials and Construction
Plinth MDF/Aluminum
Platter Delrin polymer
Tone Arm Shape Straight
Tone Arm Material Aluminum
Tone Arm Lift Finger, Lever
Cartridge Info
Included Cartridge MasterTracker
Cartridge Type MM
Removable Headshell No
Tracking Weight 2.0 g (20mN)
Frequency Response 20-25,000
Output Voltage 3.0
Load Impedance 47,000
Load Capacitance 100
Audio Specs
Signal to Noise Ratio 74
Wow and Flutter 0.017
Dimensions and Warranty
Width (Inches) 19.6875
Height (Inches) 6
Depth (Inches) 17
Weight 24.1 lbs.
Turntable Parts Warranty 3 Years
Turntable Labor Warranty 3 Years
Cartridge Parts Warranty 1 Year
Cartridge Labor Warranty 1 Year

Product Research


Ultra Tonearm: Custom-developed and manufactured in the USA, the MoFi UltraDeck+M's 10" Ultra tonearm uses smooth, high-quality ball bearings for low friction in the vertical and horizontal plane so all you hear is what is in the grooves. Cardas Audio wiring maintains signal purity from the headshell leads all the way through to the high-quality, gold-plated RCA connectors.

MasterTracker Cartridge (MM): MasterTracker features a V-Twin dual-magnet generator that mirrors the layout of the cutting head that originally makes a record's grooves. Employing two low-mass, powerful magnets aligned in a V formation parallel with the record grooves, MasterTracker accurately extracts music from your LPs and features stellar tracking ability.

  • Well-Damped Billet Aluminum Body: The well-damped billet aluminum body controls resonances for tight, accurate bass reproduction. MasterTracker has the lightest-weight magnets in the Tracker Series, delivering the kind of detailed, open performance normally attributed to high-end moving-coil cartridges
  • Micro-Line Diamond Stylus: By using a Micro-Line diamond stylus shaped like the cutting head of a record lathe, MasterTracker traces vinyl groove walls with microscopic precision.
  • This turntables come with the tracking force preset by the factory. Using this predetermined factory setting (indicated by the pre-installed yellow tape) prevents the need for a force gauge. Just place the counterweight properly on the back of the tonearm (directly behind the pre-installed yellow tape) aand you are done. No need to balance or perform any other steps for tracking weight. Do not remove the yellow tape until the counterweight is installed and you have tested playback.
  • If the yellow tape is removed before installing the counterweight, then the factory setting is lost and a force gauge must be used. The cartridge requires the tracking force be set between 1.8g and 2.2g. Using a tracking force gauge is necessary because the counter weight has no adjustment markings.

Isolated AC Synchronous Motor: The 300 RPM stepped-pulley AC motor provides excellent speed stability for pitch accuracy and rhythmic drive. The Delrin pulley has two positions for 33-1/3 and 45 RPM speed selection. Motor vibrations are kept away from the platter and stylus by using advanced dampening materials that decouple the motor from the rest of the turntable.

1.3" Delrin Platter: The UltraDeck+M turntable features a massive 1.3" Delrin platter. The increased mass creates blacker sonic backgrounds and a lower noise floor. Delrin is a next-generation polymer developed by Dupont. In the world of audio, Delrin's highly crystalline structure presents a wonderful impedance match to vinyl records, effectively grounding unwanted noise and keeping it away from the stylus.

Hardened-Steel Inverted Bearing System: The UltraDeck+M's hardened-steel inverted bearing system is designed for smooth, quiet rotational stability. The extremely low tolerance combination of steel, bronze, and sapphire will provide many years of high-performance playback.

Constrained Layer Dampening: The UltraDeck+M turntable features an aluminum plate carefully bonded to an MDF body to add mass and eliminate tonal coloration, maintaining the true sound found on the record.

Anti-Vibration Feet: Any vibration of the stylus that is not created by the grooves in the record is a distortion that will mask musical detail. Developed in conjunction with the engineering team at Harmonic Resolution Systems, the world leader in vibration isolation for audio equipment, the included MoFi anti-vibration feet isolate the UltraDeck+M turntable from bad vibrations.

RCA Connections: Connection to the phono input of your amplifier can be made with connecting cables of your choice through the turntable's gold-plated stereo RCA phono jacks and grounding screw. The UltraDeck+M turntable comes supplied with a 49" stereo RCA cable with ground wire.

Note: If your receiver does not have a suitable Phono MM input, a separate phono pre-amplifier (sold separately - see Accessories Tab) is required to connect the turntable to your amplifier.

Dust Cover: The MoFi UltraDeck+M comes supplied with a hinged cover to prevent dust build-up on the turntable.

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Customer Q&A

6 questions already asked

Do you need a mat go on on top of the Delrin platter or do you use it like an acrylic platter without a mat?
[ Charlie  Feb 03, 2021 ]
12 answers
Without the mat
[ David  Feb 08, 2021 ]
Good evening. No mat required. An awesome table.
[ Amy  Feb 05, 2021 ]
You should not use a mat. The platter has an inset for LP labels.
[ DAVID  Feb 03, 2021 ]
I don't use a mat. I'm sure you could if you wanted to
[ Francis  Feb 03, 2021 ]
Hello, you can utilize this without the need of a mat. The record is placed directly on the platter.
[ LEONARD  Feb 03, 2021 ]
I don't believe it's necessary but the platter is slippery. I use a clamp to weight the record down.
[ MICHAEL  Feb 03, 2021 ]
I did not get any separate mat and i have been impressed with the turntable--even with some fairly warped records it has behaved well.
[ Daniel  Feb 03, 2021 ]
I do not use a mat.I guess I trust mofi to get the best sound.I do use a weight to couple the record to the platter.Also the weight helps with the cleaning brush.You could try a mat but you will have to adjust the tone arm.
[ DAVID  Feb 03, 2021 ]
I don't use a mat; the platter holds the record just fine.
[ ROLF E.  Feb 03, 2021 ]
I use it without a mat but do use the Mofi record clamp. It sounds wonderful.
[ michael  Feb 03, 2021 ]
No mat required.
[ THOMAS J  Feb 03, 2021 ]
No mat needed with the Delrin platter.
[ THOMAS J  Feb 03, 2021 ]
what's the difference between Ultra deck and ultra deck + M, I see a $200 price difference between the 2 turntables, what M stands for?
[ Israel  Feb 04, 2020 ]
2 answers
The difference is the cartridge that is supplied. The 200.00 price difference covers the upgraded cartridge to the MasterTracker
[ Eric  Dec 16, 2020 ]
Thanks for your question. For information on comparing two or more models I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget.
[ Krissy  Mar 05, 2020 ]  Staff
What is the break in period for this turntable and cartridge?
[ joseph  Jun 28, 2019 ]
2 answers
For us it seemed to only be a few weeks. Sounds great
[ Amy  Jun 29, 2019 ]
I can ' t really answer that because mine sounded so good straight out of the box (after meticulous set-up) that it met or exceeded the fidelity of the Mo-fi disks I was playing.
[ Randall Carlson  Jun 28, 2019 ]
What does the Mobile Fidelity Ultradeck +M come with? It does not show a power supply or power cable in the pictures. Do I need to buy a power cable, if yes which one is recommended for this TT?
[ Jeff  Feb 03, 2019 ]
5 answers
Power cable included.
[ THOMAS J  Feb 03, 2021 ]
It comes with a power cord. The "What's in the Box" section of the product page has a link to the owners manual that shows what's included.
[ Thomas  Feb 06, 2019 ]
It comes with a standard three-pronged AC power cord.
[ Andrew  Feb 06, 2019 ]
I was surprised by how much it came with. It does include power cable, RCA( with ground) cables, also included are a number of cartridge accessories like a stylus brush, and Allen wrenches to do the fine adjustments on both cartridge and tone arm. I have used the provided power cable without issue and would not recommend paying extra for one.
[ Michael  Feb 06, 2019 ]
It comes with a dust cover and power cable. The power supply is internal to the deck. You will need to put the balace weight on and the anti skate wait on. Everything you need is in the box. It is a fantastic deck, enjoy!!!
[ Paul  Feb 06, 2019 ]
Does the needle lift when the record is played through?
[ Craig  Nov 11, 2018 ]
2 answers
It doesn't lift but the control lifts the arm for manual placement on the arm holder.
[ THOMAS J  Feb 03, 2021 ]
The turntable does not have an auto-lift function. It's fully manual. It is possible that a Q-UP tonearm lifter could be fitted, but I have not tried.
[ Andrew  Nov 11, 2018 ]
How would this deck do playing through a McIntosh MA5200 MM phono stage?
[ DENNIS  Aug 19, 2018 ]
1 answer
It would do very well. The McIntosh's built-in Phono pre-amp works for both moving magnet and moving coil cartridges so it's fully compatible with the pre-mounted MoFi MasterTracker,
[ Ryan  Aug 22, 2018 ]  Staff

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Mobile Fidelity UltraDeck +UG
Manual belt-drive turntable with pre-mounted Ultra Gold moving coil cartridge
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Excellent moving coil cartridge

The Mobile Fidelity UltraDeck +UG offers these features:
  • pre-mounted Ultra Gold MC moving coil cartridge
  • nude Shibata stylus with boron cantilever
  • frequency response: 20-35,000Hz
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