SKU: 39385672444

Audio-Technica AT33xMONO/I Dual Moving Coil Monaural Cartridge

Sale price$418.05 Regular price$464.50
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Description

Audio-Technica AT33xMONO/I Dual Moving Coil Monaural CartridgeAT33xMONO I The latest update to the venerable AT33 Series the first extensive overhaul in years brings new warmth and fullness to your favorite music. Incorporating technological and material improvements, including our first use of die cast zinc at the base of the cartridge to ward off unwanted resonance and improve expressiveness in the mid to low frequencies, the AT33x Series cartridges let you hear the finest details across the audio spectrum.

AT33xMONO/I

The latest update to the venerable AT33 Series – the first extensive overhaul in years – brings new warmth and fullness to your favorite music. Incorporating technological and material improvements, including our first use of die-cast zinc at the base of the cartridge to ward off unwanted resonance and improve expressiveness in the mid to low frequencies, the AT33x Series cartridges let you hear the finest details across the audio spectrum.

The AT33xMONO/I features a “True Mono” dual moving coil design that is unaffected by any vertical noise components picked up from the record groove, instead generating electrical signal only from horizontal movement. This results in exceptionally clear monaural sound with a more substantial low end and reduced surface noise. The dual mono coil design is also ideal for mono playback on a stereo system.

To further enhance its monaural performance, the cartridge is equipped with a 0.65 mil conical nude stylus, which is perfect for tracking the constant width and depth of mono record grooves. Our newly developed suspension mechanism uses piano wire for even more tracking accuracy, lowering the dynamic compliance slightly for more substantial audio, particularly in the mid-low range. 

The cartridge’s composite body, made of die-cast zinc, aluminum, and high-rigidity polymer, reduces and disperses resonance across the entire body, resulting in balanced, natural sound reproduction that doesn’t favor particular frequencies. PCOCC (Pure Copper by Ohno Continuous Casting) coils ensure pure, smooth signal transmission, while the neodymium magnet and permendur yoke (shaped for optimal monaural sound reproduction) create a strong magnetic field that maximizes power generation efficiency, resulting in responsive, high-resolution analog playback.

Like all AT33x Series cartridges, the body of the AT33xMONO/I includes threaded holes for easy mounting (just two screws required). These threaded holes are especially useful when mounting the cartridge to an integrated tonearm. 

Please Note: AT33xMONO/I’s stylus assembly is not field-replaceable, but Audio-Technica offers a fee-based Moving Coil Exchange Program to properly service your moving coil cartridge.

Features

  • AT33x Series dual moving coil monaural cartridge with 0.65 mil conical nude stylus

  • Balanced, high-resolution sound reproduction brings out all the details in a piece of music 

  • “True Mono” dual moving coil design only generates electrical signal from horizontal movement for exceptionally clear monaural sound with a more substantial low end and reduced surface noise

  • PCOCC (Pure Copper by Ohno Continuous Casting) coils provide pure, smooth signal transmission

  • Neodymium magnet and permendur yoke (shaped for optimal monaural sound reproduction) maximize energy efficiency for high-resolution, responsive playback

  • Composite cartridge body (die-cast zinc, aluminum, and high-rigidity polymer) reduces resonance throughout the body for balanced, natural sound reproduction

  • Highly rigid and dense die-cast zinc material is used at the base of the cartridge to suppress unwanted vibrations and improve the expressiveness of the mid-to-low frequency range

  • Threaded mounting holes make it easier to mount the cartridge to a headshell, especially one integrated into a tonearm

  • 0.65 mil conical nude stylus tracks the center of the record groove for reliable performance and excellent fidelity

  • High-hardness duralumin pipe cantilever

  • Newly developed suspension mechanism and rubber damper design (with lower dynamic compliance than other A-T cartridges) enable the cartridge to be used with a variety of tonearms

  • Thick gold plating on the terminal pins reduces contact resistance and enhances sound quality

  • Crafted and hand-finished by artisans in Japan

Please Note: AT33xMONO/I’s stylus assembly is not field-replaceable, but Audio-Technica offers a fee-based Moving Coil Exchange Program to properly service your moving coil cartridge.

Specifications

Cartridge & Stylus
Frequency Response 20 to 30,000 Hz
Vertical Tracking Angle 20°
Tracking Force 2.0 to 2.4 g (2.2 g standard)
Recommended Load Impedance ≥ 100 ohms (when head amplifier connected)
Coil Impedance 10 ohms (1 kHz)
DC Resistance 10 ohms
Coil Inductance 27 μH (1 kHz)
Output Voltage 0.42 mV (1 kHz, 5 cm/sec., horizontal signal)
Output Balance 1.0 dB (1 kHz)
Horizontal/Vertical Output Ratio 25 dB (1 kHz)
Stylus Shape Nude conical
Cantilever Duralumin pipe
Static Compliance 14 × 10-6 cm/dyne
Dynamic Compliance 6 × 10-6 cm/dyne (100 Hz)
Dimensions 16.1 mm (0.63”) × 16.6 mm (0.65”) × 26.1 mm (1.0”) (H × W × D)
Accessories Included Non-magnetic screwdriver; Brush; Washer* × 2; Cartridge installation screws* (M2.6) (8.0 mm (0.31”) × 2, 10.0 mm (0.39”) × 2, 13.0 mm (0.51”) × 2); Protector
Threaded Hole M2.6 × 2
Stylus Curvature Radius 0.65 mil
Type MC
Weight 10.1 g (0.36 oz)
Notes * Washers × 2 and screws (8.0 mm (0.31”)) × 2 are used to secure the cartridge in the box at the time of purchase. Be sure to keep and not lose these after removing the cartridge from the box.

For product improvement, the product is subject to modification without notice.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39385672444

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4.0 ★★★★★
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Tammy
Cuba, US
★★★★★ 5
Best and most durable toy for our German shepherd
Size: Medium, Style: Ultra Tug, Size: Medium, Style: Ultra Tug
We have a German shepherd. This is our 2nd purchase. The first one was her first and favorite toy. We still have the first one. But the strap broke (after a year) bc we didn't realize she hid it under blanket, and she chewed it in half. But after a year of hard play, the strap was worn out. She still plays with her ball, and often carries it with her on her walks. It throws well and I love not having to pick up a slobbery ball. The ball is soft, durable, safe, and easy to play with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 22, 2025
S
Verified Purchase
Sarah Green
Grantham, US
★★★★★ 3
Cord is not durable. Not for unsupervised play.
Size: Medium, Style: Ultra Duo Tug
My dog loves this toy and chewed through the tether in about 15 minutes, making it pretty useless as a tug toy. So the cord is not durable as stated. This is not for dogs who love to chew. Also, it is a bit smaller, much more squishy and chewable than a tennis ball, and I was worried she would chew it apart and that it might get stuck in her throat without the tether, so I took it away, much to her disappointment.
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Reviewed in the United States on May 7, 2026
G
Verified Purchase
GARY
Waukegan, US
★★★★★ 5
Excellent item
This is one of the best items that i've ever purchased. My puppy Destroys every toy and every dog bed that i've ever gotten him. This particular toy is his favorite. It is well made, keeps him entertained And I must say, this company did a great job.
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Reviewed in the United States on January 14, 2026
O
Verified Purchase
Omar Villarreal
Draper, US
★★★★★ 5
Doggy approved 👌
It did the trick my dog loves the toys
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Reviewed in the United States on April 18, 2026
A
Verified Purchase
Alejandro Castillo
Massapequa, US
★★★★★ 3
Puppy's favourite, but not built to last.
My puppy absolutely adores this tug-of-war ball! However, I have to mention the durability—it started fraying after just a few days of use. While it’s still usable, the material doesn’t hold up well to enthusiastic chewing and tugging. If your pup is a strong chewer, this might not last long. That said, for the price and the joy it brings my puppy, I’d still consider buying it again—just with the expectation that it’s more of a short-term toy. Great for light play, but not built for heavy-duty tug sessions.
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Reviewed in the United States on August 12, 2025

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