Sumiko Oyster Cartridge Review

Analog music shouldn’t be an expensive hobby. There’s a sea of budget cartridges out there, and one particular mollusk might have you intrigued—the Sumiko Oyster.

In this Sumiko Oyster Cartridge review, we’ll give you the lowdown on the mother of all Oysters. Find out whether this classic phono pickup is the ideal starter cartridge to bring your turntable to the next level.

Sumiko Oyster Cartridge Overview

The Sumiko Oyster is a moving magnet (MM) cartridge, with a durable 0.7 mil spherical stylus and an aluminum pipe cantilever. It’s the oldest model from the Oyster range, not to mention the cheapest.

The Oyster is lightweight at 5.3 g and has a recommended vertical tracking force of 2.3 g. The cartridge comes in a plastic jewel case, together with the following:

  • 2 mounting screws
  • 2 plastic washers
  • 2 nuts
  • Plastic stylus guard
  • Comprehensive instruction manual

Now, here are the technical specifications from the manufacturer:

  • Internal impedance: 1,130 Ω
  • Load impedance: 47 kΩ
  • Frequency response: 30–20 kHz
  • Output: 5 mV
  • Channel separation: 25 dB @ 1 kHz
  • Channel balance: 1 dB @ 1 kHz
  • Compliance: 12×10-6 cm/dyn @ 100 Hz
  • Capacitance: 100–200 pF
  • Vertical tracking angle: 25°
  • Tracking force range: 1.5–2.5 g
Sumiko Oyster Cartridge
Sumiko Oyster Cartridge


  • Easy to Install
  • Replaceable Stylus
  • Compatible With Most Moving Magnet Systems
  • Tight Bass Sound
  • Durable Construction


  • Midrange Distortion
  • Loss of Detail on the Top End

Pros of the Sumiko Oyster Cartridge

Whether you’re a newcomer to the vinyl scene or a value-conscious audiophile, the Sumiko Oyster has something in store for you. Here are some reasons to include the Oyster in your rig:

1. Easy to Install

Setting up the Oyster is a cinch, and it doesn’t need meticulous fine-tuning to get to the goodies.

However, it uses separate nuts to secure the cartridge to the headshell, so extra care is in order. In contrast, its younger siblings from the Oyster lineup have threaded nuts built into the body.

Once you’ve mounted the cartridge, check the alignment and dial in the recommended downforce. After that, you’re well on your way to breaking in your new hardware.

Remember to use a variety of records to get hours on the Oyster.

2. Replaceable Stylus

Like all moving magnet Oyster models, you can replace the diamond tip of your cartridge with the Oyster replacement needle.

Another good news: Swapping out the stylus is a snap! You only need to pull away the blue cap and slide in the new stylus assembly.

That’s right—you don’t have to remove the whole cartridge from the tonearm. Just make sure you don’t touch the delicate tip of the cantilever.

Recommended: Check our in-depth Sumiko Pearl review

3. Compatible With Most Moving Magnet Systems

The Oyster’s 4.0 mV output is widely compatible with any entry-level MM turntables. It pairs well with a broad range of phono preamps and amplifiers.

4. Tight Bass Sound

The Sumiko Oyster shines with dynamic and punchy bass. If you’re a sucker for EDM (electronic dance music), you’ll enjoy the dynamic and controlled bass beats.

Similarly, double bass beats in acoustic jazz recordings have good resonance and decay. Aside from that, drum sounds deliver impact with impressive low-frequency extensions.

5. Durable Construction

The Sumiko Oyster cartridge is built to last. It has a sturdy body and high-quality materials that can resist wear and tear.

Cons of the Sumiko Oyster Cartridge

The Oyster is a budget cartridge with design limitations. While it’s a solid performer for its price, it’s not without its drawbacks.

1. Midrange Distortion

The Oyster suffers from a distortion on the midrange frequencies. The voice gets sibilant (hissy), and the soundstage appears flat.

Because of this, you may get listener fatigue, especially when you crank up the volume.

2. Loss of Detail on the Top End

The Oyster sounds rolled off on the high frequencies, mainly because of the spherical shape of its stylus.

Since it cannot get deep into the record grooves, the highs get cloudy from a lack of detail and clarity.

Also check: The best Sumiko Cartridges on the market

Features of the Sumiko Oyster Cartridge

These are the main features of the Sumiko Oyster:

1. Moving Magnet Mechanism

The Oyster is the base model for all the moving magnet models from its namesake product line.

Its generator system has a magnet attached to the cantilever (the arm that holds the stylus) and moves with it to create electrical signals.

2. Spherical Stylus

While the Oyster has a spherical stylus, it can still pull significant detail from a record. However, the shape is like a ballpoint pen, so the needle rides higher in the groove. As mentioned earlier, it gets the blame for the muddy tone in the upstage.

On the positive, it avoids sweeping the dirt and dust trapped on the bottom, reducing surface noise. Plus, it’s less fussy about alignment, which makes it a great option for vinyl beginners.

3. Minimalist Design

The Oyster has a simple boxy shell that makes the setup of the cartridge a straightforward affair.

Must Read: Our comprehensive Sumiko Wellfleet review

Rating the Sumiko Oyster Cartridge

Here’s a breakdown of our rating for the Sumiko Oyster:

1. Ease-of-Use: 5/5

Installing the Oyster requires no secret tricks. It’s a user-friendly cartridge with a rather forgiving stylus. The conical cut is less critical to absolute alignment, and replacing the needle is kid stuff, as well.

2. Sound Quality: 3/5

The Oyster is a musical cartridge with a tuneful bass and vibrant dynamics. The sound is full-bodied and rich, with few ticks and pops in the groove.

However, the Oyster falls flat in the high frequencies. Other issues you may encounter with this cartridge include sibilance and distortion, especially in the midrange.

3. Features: 4/5

While the Oyster has the main features of a well-made cartridge, you can find a cartridge with an elliptical stylus near its price point.

For example, the Grado Black3 and Ortofon 2M Red have elliptical styluses that can pick up more details and distort less.

4. Value for Money: 4/5

The Oyster is an affordable cartridge that offers a well-balanced performance for its price. It’s an ideal upgrade option for audiophiles on a budget.

Alternatives to the Sumiko Oyster Cartridge

If you’re looking to expand your options, these cartridges are near the Sumiko Oyster’s price point:

1. Grado Prestige Black3

GRADO Prestige Black3 Phono Cartridge w/Stylus - Standard Mount

The Black3 features a three-piece OTL (optimized transmission line) cantilever with an elliptical stylus. The industrial look of the body reflects the level of engineering Grado puts into their products.

The cartridge boasts a spacious soundstage and less distortion, making the sound quieter.

2. Audio-Technica AT-VM95C

Audio-Technica AT-VM95C Dual Moving Magnet Turntable Cartridge Blue

Like the Oyster, the VM95 has a conical stylus and is compatible with half-inch mount turntables. The vibration-dampening cartridge body has threaded inserts, allowing for easy mounting to the headshell.

Additionally, the cartridge features sighting lines on the cartridge and stylus to keep the alignment in check during installation. The entire VM95 series has interchangeable styluses, so you can easily upgrade if you get tired of its conical stylus.

3. Ortofon 2M Red

Ortofon 2M Red Moving Magnet Cartridge

With a red gem-shaped stylus shell, the 2M Red is quite the looker. It sports an elliptical diamond tip and split-pole pins with a copper wire.

The cartridge brings out warm sounds and deep, controlled bass. Apart from that, it matches a wide variety of turntables. On the downside, the Red can dig out every crackle from the grooves of old and worn records.

Related: Everything you need to know about the Sumiko Rainier cartridge


1. Is The Sumiko Oyster Cartridge Compatible With Many Turntables?

The Oyster is compatible with a wide range of turntables that use a standard mount. This includes many popular turntables from brands like Denon, Technics, Sony, Pioneer, Kentwood, Marantz, and many more.

It can also replace any standard 1/2″ mount cartridge from Audio-Technica, Ortofon, Shure, Ortofon, Grade, etc.

2. What Is The Warranty On The Sumiko Oyster Cartridge?

Sumiko offers a one-year limited warranty on all of its cartridges, including the Oyster. The warranty covers defects in materials and craftsmanship and provides for repair or replacement of the cartridge at Sumiko’s discretion.

Note that the warranty is only valid if you purchase your cartridge from an authorized dealer, so save your receipt!

3. How Long Does It Take To Break In The Sumiko Oyster Cartridge?

The Oyster takes an average of 20 hours to break in before it fully blooms. If you’re just getting into vinyl, you may notice inconsistencies and a lack of clarity while the cartridge burns in.

However, you’ll soon get to the good part as the stylus settles into the record grooves and the cartridge adapts to the stresses of playback.

While you audition your Oyster, play different music genres to give it a good workout. This way, you’ll get a thorough sense of its strengths and weaknesses, too. Only then can you decide whether this cartridge is a keeper.

4. How Long Does The Sumiko Oyster Cartridge Last?

Under normal use and conditions, a Sumiko Oyster cartridge can last up to 1000 hours of playtime.

Replace the diamond stylus on the Oyster, and you practically have a new cartridge. If you have no plans of upgrading, this is a cost-effective way of extending the life of your Sumiko kit.

5. Can I Upgrade The Stylus Of The Sumiko Oyster Cartridge?

While the Oyster’s stylus carrier is removable, you cannot upgrade it to a higher-end Oyster model. You can only switch to another Oyster needle.

However, third-party suppliers have upgrade styluses for the Oyster cartridge. For instance, LP Gear has a hyper-elliptical stylus that fits the body of the Sumiko.

Final Verdict

The Oyster isn’t the most exciting cartridge on the market, but for its price, you’d be happy to overlook its limitations.

It has a well-rounded and clear sound that budding vinyl enthusiasts who want to stretch a dollar may enjoy.

To wrap up this Sumiko Oyster cartridge review, we recommend giving this old-timer a try.