Ortofon phono cartridges provide
the faithful and correct reproduction
of the recorded sound

Ortofon ST-80 SE Moving Coil transformer

The ST-80 Special Edition Moving coil transformer delivers a detailed reproduction with a touch of warmth accompanied by a full bodied sound quality. Compared with existing models, ST-80 SE has a larger bobbin, more layers in the permalloy core and more coil windings.

The transformer is magnetically shielded in a permalloy case, which in turn is inserted into a robust 10mm thick aluminum cylinder bored out of a solid aluminum block. Together with the heavy metal case the transformer effectively isolates against environmental noise.

Output voltage at 1000 Hz, 5cm/sec.  –   5,5 mV
Channel balance at 1 kHz  –   1,5 dB
Channel separation at 1 kHz  –  25 dB
Channel separation at 15 kHz  – 15 dB
Frequency range at – 3dB  –  20-25.000 Hz
Frequency response  –  20-20.000 Hz + 2 / – 1 dB
Tracking ability at 315Hz at recommended tracking force  –  80 µm
Compliance, dynamic, lateral  –  20 µm/mN
Stylus type  –  Nude Elliptical
Stylus tip radius  –  r/R 8/18 µm
Tracking force range  –  1,6-2,0g (16-20 mN)
Tracking force, recommended  –  1,8 g (18 mN)
Tracking angle  –  20°

2M Black Technical data

Output voltage at 1000 Hz, 5cm/sec.  –  5 mV
Channel balance at 1 kHz  –  1 dB
Channel separation at 1 kHz  –  26 dB
Channel separation at 15 kHz  –  15 dB
Frequency range at – 3dB  –  20-31.000 Hz
Frequency response  –  20-20.000 + 2 / – 0 dB
Tracking ability at 315Hz at recommended tracking force  –  80 µm
Compliance, dynamic, lateral  –  22 µm/mN
Stylus type  –  Nude Shibata
Stylus tip radius  –  r/R 6/50 µm
Tracking force range  –  1,4-1,7g (14-17 mN)
Tracking force, recommended  – 1,5 g (15 mN)
Tracking angle  –  20°

MC Quintet Black S

Output voltage at 1000 Hz, 5cm/sec. – 0.3 mV
Channel balance at 1 kHz – < 1.0 dB
Channel separation at 1 kHz – > 23 dB
Channel separation at 15 kHz – > 15 dB
Frequency range at – 3dB – 20 – 25.000 Hz
Frequency response 20-20.000 Hz – +/- 1.5 dB
Tracking ability at 315Hz at recommended tracking force *) – 80 µm
Compliance, dynamic, lateral – 15 µm/mN
Stylus type – Nude Shibata on Sapphire cantilever
Stylus tip radius – r/R 6/50 µm
Tracking force range – 2.1-2.5 g (21-25 mN)
Tracking force, recommended – 2.3 g (23 mN) *) Typical value              Tracking angle – 20°
Internal impedance, DC resistance – 5 Ohm
Recommended load impedance – > 20 Ohm

 

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