Product description
The Super OM cartridges have been designed on the basis of our OM lightweight system with three major improvements:
1. By means of computer simulations it has been possible to define the natural pivot point of the system with unprecedented accuracy while achieving an optimum oscillation balance. The result: improved linearity, higher channel separation and reduced distortion.
2. Additionally, a new technique was developed and applied: slit less than 1 mm dia. hollow pole pins, thus significantly reducing eddy current losses caused by magnetic hysteresis. This sophisticated technology extends the frequency range and improves phase linearity.
3. Thirdly OM Super cartridge body is manufactured from a Noryl ( plastic & glass compound ) which ensures high rigidity, and freedom from resonances.
All Super OM models have the same body, construction and magnetic circuitry. The only difference is the interchangeable stylus unit.
OM Super 10, 20, 30 and 40 technical data
| Technical data | OM Super 10 | OM Super 20 | OM Super 30 | OM Super 40 |
| Output voltage at 1000 Hz, 5cm/sec. | > 4 mV | > 4 mV | > 4 mV | > 4 mV |
| Channel balance at 1 kHz | < 1,5 dB | < 1,5 dB | < 1,0 dB | < 1,0 dB |
| Channel separation at 1 kHz | > 22 dB | > 25 dB | > 25 dB | > 25 dB |
| Frequency response | 20-20,000Hz +3/-1 dB | 20-20,000Hz +2/-1 dB | 20-20,000Hz +2/-0 dB | 20-20,000Hz +2/-1 dB |
| Frequency range | 20-24,000Hz | 20-27,000Hz | 20-29,000Hz | 20-30,000Hz |
| Tracking ability (315Hz, lateral) | > 70 µm | > 80 µm | > 90 µm | > 95 µm |
| Compliance, dynamic (lateral) | 25 µm/mN | 25 µm/mN | 25 µm/mN | 25 µm/mN |
| Stylus type | Elliptical | Nude Elliptical | Nude Fine Line | Nude FG 70 |
| Stylus tip radius | r/R 8/18 µm | r/R 8/18 µm | r/R 8/40 µm | r/R 5/70 µm |
| Tracking force range | 1,25-1,75 g | 1,25-1,75 g | 1,25-1,75 g | 1,25-1,75 g |
| Recommended tracking force | 1,5 g | 1,5 g | 1,5 g | 1,5 g |
| Tracking angle (vertical) | 20° | 20° | 20° | 20° |
| Internal impedance, DC resistance | 1 kOhm | 1 kOhm | 1 kOhm | 1 kOhm |
| Internal inductance | 580 mH | 580 mH | 580 mH | 580 mH |
| Recommended load resistance | 47 kOhm | 47 kOhm | 47 kOhm | 47 kOhm |
| Recommended load capacitance | 200 - 500 pF | 200-500 pF | 200-500 pF | 200-500 pF |
| Cartridge weight including weight plate | 5 g | 5 g | 5 g | 5 g |
| Cartridge weight without weight plate | 2,5 g | 2,5 g | 2,5 g | 2,5 g |
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