Ortofon OMP 20

Data

General

• Manufacturer: Ortofon
• Model: OMP 20 T4P
• Years of manufacture:? / also currently still available from specialist dealers.
• Made in: Denmark
• Colour: black
• Weight: 6 g
• New price: currently (2019) 209.50€

Technical Data

• Amplifier connection: Phono MM
• Frequency range: 20 - 27,000 Hz
• Frequency response: 20 - 20,000 Hz +2/ -1 dB
• Channel separation: 25 dB
• Output voltage: 4.0mV at 1kHz, 5cm/sec.
• Terminating resistor: 47 kOhm
• Recommended termination capacitance: 200-500pF
• Needle type: elliptical r/R 8/18µm
• Material: diamond, bare
• Needle compliance dynamic, lateral 25 µm/mN.
• Recommended contact force: 12.5 mN

Special Features

• Together with the matching T4P (1/2") adapter frame, the OMP becomes a class OM 1/2" system (but without the possibility to use the 2.5g additional weight typical for an OM).

Remarks

Other models of the same series:

• OM 5 T4P
• OM 10 T4P
• OM 30 T4P
• OM 40 T4P