Audio T Verdict
The Sumiko Oriole sits neatly between Songbird and Starling in the company's Reference Series, but it is far more than a halfway house between the two. Its combination of a new low-impedance generator and nude Shibata stylus gives it a distinct technical identity of its own.
Output is just 0.3mV, so this is firmly a low-output moving-coil cartridge. A suitable MC phono stage is essential, with Sumiko specifying internal impedance of only 5.5 ohms and a recommended load above 55 ohms.
At the record groove is a nude Shibata line-contact diamond measuring 6.5 x 40 microns. This is mounted to a reinforced 0.5mm aluminium-pipe cantilever, creating a lightweight groove-reading assembly capable of following very fine recorded modulation.
The rest of the cartridge is equally purposeful. Like Sumiko's other Reference Series designs, Oriole does away with a conventional enclosed body. The generator is secured to a PEEK mounting plate and stiff alloy headblock, with Sumiko using the open structure to minimise the opportunity for unwanted energy to build up around the generator.
At 7.3g, Oriole should be physically manageable for a broad selection of suitable tonearms, although cartridge weight alone never tells the whole story. Tonearm effective mass, counterweight range, alignment and the cartridge's 12 x 10-6cm/dyn compliance should all be considered.
Sumiko recommends a tracking force of 2.0g within a 1.8–2.2g range. With a fine Shibata stylus, it is particularly worthwhile getting overhang, offset angle and tracking force right rather than treating setup as an afterthought.
If you already have a capable low-noise MC phono stage and a turntable good enough to justify it, Oriole represents a serious step into Sumiko's Reference Series without moving all the way to Starling.
Sumiko Oriole Reference Moving Coil Cartridge
Oriole is a low-output moving-coil cartridge from Sumiko's Reference Series, combining the company's open-body architecture with a high-efficiency low-impedance generator and nude Shibata stylus.
Key features include:
- Low-output moving-coil generator
- 0.3mV output
- 5.5-ohm internal impedance
- Recommended loading above 55 ohms
- Nude Shibata line-contact stylus
- 6.5 x 40-micron stylus profile
- 0.5mm reinforced aluminium-pipe cantilever
- High-purity copper coils
- Open-body Reference Series construction
- PEEK generator mounting plate
- Rigid alloy headblock
- 12Hz–45kHz frequency response
- 30dB channel separation at 1kHz
- Less than 0.5dB channel balance at 1kHz
- 12 x 10-6cm/dyn compliance at 100Hz
- 20-degree vertical tracking angle
- 1.8–2.2g tracking-force range
- 2.0g recommended tracking force
- 7.3g cartridge weight
- Hand-assembled in Yokohama, Japan
Low-Output Moving Coil
Oriole produces an output of:
0.3mV at 3.54cm/sec, 1kHz.
This is considerably lower than the signal produced by a conventional moving-magnet or high-output moving-coil cartridge.
A Standard MM Phono Input Is Not Suitable
The Oriole requires a phono stage capable of providing appropriate low-output moving-coil gain.
Do not connect it directly to a conventional MM-only phono input unless an appropriate MC step-up device is being used ahead of it.
5.5-Ohm Internal Impedance
Sumiko specifies an internal impedance of:
5.5 ohms at 1kHz.
This is particularly low and reflects the high-efficiency generator architecture developed for Oriole.
Recommended Loading Above 55 Ohms
Sumiko specifies:
Greater than 55 ohms.
The manufacturer also suggests final loading can be determined by listening once the phono stage is operating within the correct range.
An Adjustable MC Phono Stage Is Useful
If your phono stage offers several resistance settings above 55 ohms, you can compare them while remaining within Sumiko's recommended operating range.
There is no need to assume that the lowest or highest available setting will automatically suit the rest of your system best.
Gain and Loading Are Different
Two separate settings matter when matching Oriole to a phono stage:
- Gain: determines how much the 0.3mV signal is amplified
- Loading: determines the electrical resistance presented to the cartridge
A phono stage can provide a suitable load while still having insufficient gain, or provide enough gain while using an unsuitable load.
Both need to be considered.
Choosing a Phono Stage
A suitable MC phono stage should provide:
- Appropriate gain for a 0.3mV cartridge
- Load impedance above 55 ohms
- Low input noise
- Accurate RIAA equalisation
- Good overload margin
An adjustable phono stage gives you greater flexibility when matching Oriole to the rest of the system.
Browse phono stages at Audio T.
100–200pF Capacitance
Sumiko also publishes a capacitance specification of:
100–200pF.
Where your MC phono stage provides capacitance adjustment, use Sumiko's published range as the reference point.
Nude Shibata Stylus
Oriole uses a nude Shibata diamond with a specified profile of:
6.5 x 40 microns.
Nude means the diamond itself forms the stylus rather than being attached to a separate metal shank.
Why Use a Shibata Profile?
Shibata is a fine line-contact profile designed to make extended contact with the walls of the record groove.
Its shape can provide:
- Accurate tracing of fine groove modulation
- Extended groove-wall contact
- Detailed high-frequency tracking
- Good retrieval of low-level recorded information
Alignment Is Particularly Important
A fine line-contact profile deserves careful cartridge setup.
Important adjustments can include:
- Overhang
- Offset angle
- Tracking force
- Bias or anti-skate
- Tonearm height where adjustable
- Azimuth where adjustable
Do Not Align Oriole by Eye
Use the alignment procedure specified for your tonearm or a suitable cartridge-alignment protractor.
Poor alignment with a Shibata stylus can increase distortion, compromise tracking and contribute to unnecessary record or stylus wear.
0.5mm Reinforced Aluminium Cantilever
The Shibata stylus is carried by a:
0.5mm reinforced aluminium-pipe cantilever.
The cantilever forms the mechanical link between the diamond and moving-coil generator, transmitting the tiny movements recovered from the record groove.
High-Purity Copper Coils
The generator uses high-purity copper moving coils.
Because these coils move with the stylus assembly, their mass and electrical characteristics are an important part of the cartridge's overall design.
High-Efficiency Low-Impedance Generator
Oriole uses a generator specifically developed around low internal impedance and efficient magnetic operation.
Its 5.5-ohm impedance is substantially lower than Sumiko's Songbird Low and Starling designs, giving Oriole a distinct electrical specification within the Reference Series.
Open-Body Reference Series Architecture
Rather than enclosing the generator inside a conventional cartridge shell, Sumiko uses an open architecture.
The intention is to minimise unwanted energy building up and reflecting around the cartridge generator.
Any remaining mechanical energy is directed into the cartridge mounting structure and then into the tonearm.
PEEK Generator Mounting Plate
The generator is secured to a PEEK mounting plate.
PEEK is used as a mechanically stable interface between the generator and the alloy headblock, forming part of Sumiko's approach to controlling resonance.
Rigid Alloy Headblock
The mounting plate is secured to a stiff alloy headblock.
This provides the mechanical interface between Oriole and the tonearm headshell while giving unwanted energy a controlled route out of the cartridge structure.
Open Construction Requires Care
Avoid Touching the Exposed Generator and Wiring
Oriole's open-body construction leaves more of the cartridge mechanism visible than on a conventional enclosed design.
Handle the cartridge by its rigid mounting structure and keep fingers, tools and cleaning materials away from the exposed generator, wiring, cantilever and stylus.
12Hz to 45kHz Frequency Response
Sumiko specifies:
12Hz–45kHz.
30dB Channel Separation
Channel separation is specified at:
30dB at 1kHz.
This describes how effectively the cartridge keeps the left and right information encoded on the two groove walls electrically separate.
Less Than 0.5dB Channel Balance
Sumiko specifies channel balance of:
Less than 0.5dB at 1kHz.
7.3g Cartridge Weight
Oriole weighs:
7.3g.
The current technical drawing shows an overall body size of approximately:
- Width: 17mm
- Height: 16.8mm
- Depth: 24.5mm
Check Tonearm Compatibility Before Ordering
Cartridge weight is only one part of tonearm matching.
Confirm that your tonearm can accommodate the 7.3g cartridge, its compliance, mounting arrangement, physical dimensions and 1.8–2.2g tracking-force requirement while still allowing correct alignment.
Compliance
Sumiko specifies dynamic compliance of:
12 x 10-6cm/dyn at 100Hz.
Compliance describes the flexibility of the cartridge suspension and should be considered together with tonearm effective mass when evaluating mechanical compatibility.
2.0g Recommended Tracking Force
Sumiko specifies an operating range of:
1.8–2.2g.
The recommended setting is:
2.0g.
Do Not Deliberately Track Too Lightly
Reducing tracking force below the manufacturer's specified range does not protect your records.
Insufficient force can cause a fine Shibata stylus to mistrack and lose secure contact with the groove.
Use an Accurate Stylus-Force Gauge
A dedicated stylus-force gauge is worthwhile when setting up a cartridge at this level.
It allows the final tracking force to be checked directly at the stylus rather than relying solely on the markings of the tonearm counterweight.
20-Degree Vertical Tracking Angle
Sumiko specifies a vertical tracking angle of:
20 degrees.
If your tonearm provides height adjustment, this can form part of final setup. Start with the tonearm manufacturer's recommended geometry rather than making large adjustments by ear without a reference point.
Bias or Anti-Skate
Once the 2.0g tracking force has been established, set bias or anti-skate according to the tonearm manufacturer's procedure.
Different tonearms implement this adjustment in different ways, so there is no single universal setting method.
A Phono Stage Is Essential
Do Not Connect Oriole Directly to AUX or CD
The 0.3mV cartridge signal requires substantial additional gain and RIAA equalisation.
Connect Oriole through a suitable low-output MC phono stage before feeding a normal amplifier line input.
Using a Step-Up Transformer
Oriole may also be used with an appropriately matched moving-coil step-up transformer feeding a suitable moving-magnet phono stage.
Transformer matching needs to consider:
- 5.5-ohm cartridge impedance
- Transformer turns ratio
- Input impedance of the following MM phono stage
- Overall gain required
The largest available transformer ratio is not automatically the correct one.
Active MC Stage or Step-Up Transformer?
Either approach can work when correctly matched.
The best solution depends on the phono stage, amplifier and rest of your turntable system, so Audio T can help assess the complete signal path rather than treating the cartridge in isolation.
No User-Replaceable Stylus
Unlike Sumiko's moving-magnet cartridges, Oriole does not use a removable stylus assembly.
The Shibata diamond, cantilever and moving-coil generator form a precision assembly and should not be dismantled by the user.
Do Not Attempt to Remove the Stylus Assembly
There is no clip-in replacement stylus for Oriole.
If the stylus eventually becomes worn or the cartridge is accidentally damaged, contact Audio T to discuss the currently available Sumiko service or replacement options.
Stylus Care
The nude Shibata stylus and cantilever are precision components.
Good practice includes:
- Keep records clean and free from loose dust
- Clean the stylus using an appropriate stylus brush or approved product
- Lower the stylus using the tonearm cueing mechanism
- Avoid touching the cantilever
- Keep cleaning cloths away from the exposed generator
- Protect the cartridge while working around the tonearm
Never Push the Cantilever Sideways
The reinforced aluminium cantilever remains extremely delicate at cartridge scale.
Do not apply sideways pressure or push the stylus towards the cartridge body while cleaning.
Oriole or Songbird Low?
Songbird Low
- Low-output moving coil
- 0.5mV output
- 28-ohm internal impedance
- Load above 100 ohms
- 0.3 x 0.7mil elliptical stylus
- 0.5mm reinforced aluminium cantilever
- 12Hz–40kHz response
- 7.4g weight
Oriole
- Low-output moving coil
- 0.3mV output
- 5.5-ohm internal impedance
- Load above 55 ohms
- Nude Shibata line-contact stylus
- 0.5mm reinforced aluminium cantilever
- 12Hz–45kHz response
- 7.3g weight
The major changes are the Oriole's lower-impedance generator and its move from an elliptical to a nude Shibata line-contact stylus.
Compare the Sumiko Songbird at Audio T.
Oriole or Starling?
Oriole
- 0.3mV output
- 5.5-ohm internal impedance
- Load above 55 ohms
- Nude Shibata stylus
- Reinforced aluminium cantilever
- 12Hz–45kHz response
- 30dB channel separation
- 7.3g weight
Starling
- 0.5mV output
- 28-ohm internal impedance
- Load above 100 ohms
- Nude low-mass Microridge stylus
- 0.28mm boron cantilever
- 12Hz–50kHz response
- 35dB channel separation
- 7.4g weight
Starling moves to an even lower-mass Microridge stylus and boron cantilever, while Oriole uses a particularly low-impedance generator and Shibata profile.
Compare the Sumiko Starling at Audio T.
Hand-Assembled in Japan
Sumiko cartridges are hand-assembled by specialist cartridge makers at Excel Sound in Yokohama, Japan.
Professional Installation Recommended
A cartridge at this level deserves careful setup.
Installation may include:
- Cartridge mounting
- Overhang adjustment
- Offset-angle alignment
- Tracking-force setup
- Bias or anti-skate adjustment
- Tonearm-height adjustment where available
- Azimuth adjustment where available
- MC gain selection
- Phono-stage loading
With a fine Shibata stylus and 0.3mV output, accurate mechanical and electrical setup is worth getting right from the outset.
Who Is the Sumiko Oriole For?
Well Suited To
- High-quality turntable systems
- Customers moving further into low-output MC cartridges
- Systems with capable low-noise MC phono stages
- Adjustable MC phono stages
- Compatible step-up transformer systems
- Customers wanting a nude Shibata stylus
- Customers wanting an open-body Reference Series design
- Existing Songbird owners considering an upgrade
Check Before Buying
- 0.3mV low output
- Requires suitable MC gain
- 5.5-ohm internal impedance
- Recommended load above 55 ohms
- 7.3g cartridge weight
- 12 x 10-6cm/dyn compliance at 100Hz
- 2.0g recommended tracking force
- Shibata stylus requires accurate alignment
- Open generator requires careful handling
- Stylus is not user replaceable
Key Features
- Sumiko Oriole
- Reference Series
- Low-output moving-coil cartridge
- High-efficiency generator
- Low-impedance generator
- 0.3mV output
- 5.5-ohm internal impedance
- Recommended load above 55 ohms
- Nude Shibata stylus
- 6.5 x 40-micron stylus profile
- 0.5mm reinforced aluminium-pipe cantilever
- High-purity copper coils
- Open-body construction
- PEEK generator mounting plate
- Rigid alloy headblock
- 12Hz–45kHz frequency response
- 30dB channel separation
- Less than 0.5dB channel balance
- 12 x 10-6cm/dyn compliance
- 100–200pF published capacitance
- 20-degree vertical tracking angle
- 1.8–2.2g tracking-force range
- 2.0g recommended tracking force
- 7.3g cartridge weight
- Approximately 17 x 16.8 x 24.5mm body dimensions
- Hand-assembled in Japan
Frequently Asked Questions
Is the Sumiko Oriole moving magnet or moving coil?
Oriole is a low-output moving-coil cartridge.
What is the output?
0.3mV at 3.54cm/sec, 1kHz.
Can I use it with a normal MM phono stage?
Not directly. Its 0.3mV output requires suitable low-output MC gain or an appropriately matched step-up arrangement.
What is the internal impedance?
5.5 ohms at 1kHz.
What load does Sumiko recommend?
Greater than 55 ohms, with Sumiko suggesting that final loading can be determined by listening within the suitable range.
What capacitance does Sumiko specify?
100–200pF.
What stylus does Oriole use?
A nude Shibata line-contact diamond.
What is the Shibata stylus size?
6.5 x 40 microns.
Does a Shibata stylus need accurate alignment?
Yes. Correct overhang, offset angle and tracking force are particularly worthwhile with a fine line-contact stylus.
What is the cantilever made from?
A reinforced aluminium pipe.
What is the cantilever diameter?
0.5mm.
What are the coils made from?
High-purity copper.
Why is the cartridge body open?
Sumiko uses an open architecture to minimise unwanted energy building up around the generator and to provide a controlled mechanical path into the tonearm.
What is the generator mounted to?
A PEEK mounting plate secured to a rigid alloy headblock.
What is the frequency response?
12Hz to 45kHz.
What is the channel separation?
30dB at 1kHz.
What is the channel balance?
Less than 0.5dB at 1kHz.
What is the compliance?
12 x 10-6cm/dyn at 100Hz.
What is the vertical tracking angle?
20 degrees.
What tracking force should I use?
Sumiko recommends 2.0g within a specified 1.8–2.2g range.
How much does Oriole weigh?
7.3g.
What are the approximate dimensions?
Sumiko's technical drawing shows approximately 17mm wide, 16.8mm high and 24.5mm deep.
Will Oriole fit every tonearm?
No. Check cartridge weight, tonearm effective mass, counterweight range, mounting arrangement, clearance and alignment capability before installation.
Can I use a step-up transformer?
Yes, provided it is correctly matched to the cartridge's 5.5-ohm internal impedance and the phono stage following it.
Can I replace the stylus myself?
No. Oriole does not have a user-replaceable stylus assembly.
What happens when the stylus eventually wears?
Contact Audio T to discuss the current service or replacement options available for your cartridge.
Where is Oriole made?
Sumiko cartridges are hand-assembled in Yokohama, Japan.
Where does Oriole sit in the Sumiko range?
Oriole sits within the Reference Series between Songbird and Starling.
Can Audio T fit and align Oriole?
Yes. Contact your local Audio T store to discuss tonearm compatibility, cartridge fitting, Shibata alignment, tracking force and MC phono-stage matching.
Related Sumiko Products and Audio T Guides
Why Buy From Audio T?
- Turntable and cartridge matching
- Tonearm compatibility checks
- Low-output MC phono-stage matching
- Cartridge fitting and alignment
- Shibata stylus alignment
- Tracking-force setup
- Bias and anti-skate adjustment
- Tonearm-height and azimuth guidance
- MC gain and loading advice
- Step-up transformer guidance
- Stylus-care advice
- Part-exchange options
- Ongoing after-sales support
Contact your local Audio T store to discuss whether the Sumiko Oriole is the right match for your turntable, tonearm and phono stage, or to arrange professional fitting and alignment.