Description
Cartouche Ortofon – 2M 78
Extrait du site web du fabricant (disponible en anglais seulement):
2M 78 features:
– An improved engine, which provides a high level of sonic accuracy
– Spherical diamond that is perfect for playback of 78 rpm shellac records, which require a larger stylus profile
– 2M 78 uses a strapped output to deliver the same output signal from both sets of pole pins. This effectively eliminates the need for mono-specific equipment, making it possible to enjoy true mono reproduction on any stereo playback system.
2M 78 Technical data
Output voltage at 1000 Hz, 5cm/sec. – 4 mV
Channel balance at 1 kHz –
Channel separation at 1 kHz –
Channel separation at 15 kHz –
Frequency range at – 3dB – 20-20.000 Hz
Frequency response – 20-20.000 Hz + 3 / – 1 dB
Tracking ability at 315Hz at recommended tracking force – 70 µm
Compliance, dynamic, lateral – 18 µm/mN
Stylus type – Spherical
Stylus tip radius – R 65 µm
Tracking force range – 1,6-2,0g (16-20 mN)
Tracking force, recommended – 1,8 g (18 mN)
Tracking angle – 20°
Internal impedance, DC resistance – 700 Ohm
Internal inductance – 350 mH
Recommended load resistance – 47 kOhm
Recommended load capacitance – 150-300 pF
Cartridge colour, body/stylus – Black/Grey
Cartridge weight without screws – 7,2 g
2M PnP MkII cartridge with integrated headshell weight – 20 g
2M PnP MkII cartridge with integrated headshell length – 52 mm
Replacement stylus unit – 2M 78 (interchangeable with 2M Mono)
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