The OM 78 is a is a magnetic cartridge (MM) with a 65µm spherical stylus that is perfect for playback of 78rpm records, which require a larger stylus profile for proper playback.
OM 78 Technical Data:
Output voltage at 1000 Hz, 5cm/sec.: 4 mV, Lateral (mono)
Channel balance at 1 kHz
Channel separation at 1 kHz
Channel separation at 15 kHz
Frequency range: 20-15.000 Hz
Frequency response
FIM distortion at recommended tracking force, DIN 45.542
Tracking ability at 315Hz at recommended tracking force: 70 µm
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