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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Shopper
Boise, US
★★★★★ 5
Nice tire sealant.
Size: 32 oz
This seems to work very well. I will say that it seems to be pretty important to move the wheel around as soon as you can to distribute the product within the tire. I was held up for a few minutes and the Liqui tube seemed to start to set up in one spot and made the tire out of balance so I had to work quick to get it to distribute to the other parts of the tire. It seems to have worked though and so far the tires are holding air very well. I will be interested to see if it lasts for a long time but so far so good.
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Reviewed in the United States on May 18, 2026
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Captain Al
Boise, US
★★★★★ 5
This stuff works!
Size: 32 oz
I was sceptical but wanted to avoid replacing 2 rear tires on my zero turn mower. The tires were leaking air and had bad sidewall cracking. I found the use of the product to be easy and quick. I aired up the tires and rode around the yard a few minutes to distribute the product in the tires. It has been 4 days and both tires remain aired up. Previously both tires would already be flat within this timeframe. Excellent results for me!
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Reviewed in the United States on May 18, 2026
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james Bays. Yup
Fort Morgan, US
★★★★★ 1
Doesn’t work for a car Tire seal slow leak
Size: 16 oz
Does not work for a car tire. Had a slow rim seal leak. Out 32oz in still leaks the same. Do not buy. I got the one with fibers in it. It worked just fine. This does not work. Period. $30 wasted actually I purchased two so I wasted $60 when I could’ve bought probably a new tire
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Reviewed in the United States on April 8, 2026
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Rebecca Parker
Phoenix, US
★★★★★ 5
#1 Tire Repair
Size: 16 oz
This stuff is Fantastic. I have a riding lawn mower and one of the front tires, which is small, had been running low for a couple of years, we took it off. to fill it with the liquiTube and you could see cracks all around the outside of the tire. The liquid tube oozed out of one of the cracks and sealed , immediately. My brother rolled the tire around real good before we put it back on the track lawn mower. It has been 3 days now and today I mowed for 1 1/2 hrs and the tire as full as it was the day we put in the LiquiTube. This stuff is fantastic, it really, really works!
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Reviewed in the United States on May 31, 2026
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Jana
Grantham, US
★★★★★ 4
Awesome
Size: 32 oz
Works as advertised. Just don't scrimp... give it the full recommended amount in each tire
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Reviewed in the United States on May 27, 2026

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