ORTOFON DJ Stylus Q-bert
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Essential Information About the Ortofon Stylus Q-BERT Diamond
Essential Information About the Ortofon Stylus Q-BERT Diamond
- Spherical diamond designed for scratching and back-cueing, with stable tracking.
- High output level : 11 mV (at 1000 Hz, 5 cm/sec).
- Robust tracking : recommended tracking force 3.0 g (range 2.0 to 4.0 g).
- Compatibility : Concorde Q-BERT, OM Q-BERT cartridges and Concorde Twin Q-Bert set.
Manufacturer Information
Ortofon
https://www.ortofon.com
support@ortofon.dk
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Safety manager:
SOGETRONIC
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A "Q-BERT" Diamond Tailored for DJ Performance
The Stylus Q-BERT belongs to Ortofon's DJ range, with a clear focus on "scratch/turntablism": grip, groove holding, and output level suited for noisy environments (clubs, battles, rehearsals).
For Which DJs and Situations?
Ideal for scratch, hip-hop, and open-format DJs seeking a tolerant stylus tip and reliable playback under demanding conditions. Also suitable for mobile setups, bars/clubs, and home practice where groove holding is prioritized over audiophile finesse.
Features and Innovations
This diamond features a spherical tip and high tracking ability (980 ”m at 315 Hz at the recommended tracking force), with channel separation and balance values designed for a clean stereo image in mixes. Its recommended load (47 kOhm, 200-400 pF) facilitates integration with most phono preamps.
Technical specifications
| DJing type | Mix, Scratch | Diamond tip | spherical |
| Category | diamond | Color | White |
| Type | diamond | Quantity | 1 |
| Destination | DJ | ||
| Output voltage at 1000 Hz, 5 cm/sec | 11 mV | Diamond type | spherical |
| Channel balance at 1 kHz | 1.5 dB | Diamond tip radius | R 18 ”m |
| Channel separation at 1 kHz | 22 dB | Internal impedance (DC resistance) | 1,680 Ohm |
| Frequency range at -3 dB | 20 to 18,000 Hz | Internal inductance | 920 mH |
| Frequency response | 20 to 20,000 Hz at -3 dB | Recommended load resistance | 47 kOhm |
| Tracking ability at 315 Hz at recommended tracking force | 980 ”m | Recommended load capacitance | 200-400 pF |
| Lateral dynamic compliance | 12 ”m/mN | Cartridge weight | 18.5 g |
| Tracking force range | 2.0-4.0 g (20-40 mN) | Dimensions | 35x35x36 mm |
| Recommended tracking force | 3.0 g (30 mN) | Compatible with cartridges | Concorde Q-BERT, OM Q-BERT |
| Tracking angle | 20 degrees | Compatible with set | Concorde Twin Q-Bert |
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Questions frequently asked
Is the Stylus Q-BERT suitable for scratching?
Its spherical tip and tracking ability of 980 ”m at 315 Hz enhance groove hold during scratch and turntablism practices. The recommended tracking force is 3.0 g.
Which cartridges is this stylus compatible with?
This stylus is compatible with Concorde Q-BERT and OM Q-BERT cartridges. It is also compatible with the Concorde Twin Q-Bert set.
What tracking force should be set for this DJ stylus?
The tracking force range extends from 2.0 to 4.0 g. The recommended setting is 3.0 g, or 30 mN. This value corresponds to the specified tracking performance at 315 Hz.
What output level does this stylus deliver?
The output voltage reaches 11 mV at 1,000 Hz for 5 cm/s. This level is designed for DJ use in noisy environments.
What phono load should be used with the Stylus Q-BERT?
The recommended load resistance is 47 kOhm, with a capacitance between 200 and 400 pF.



