Raul is right, the FR-7Fc has 0.65mm conical stylus tip according to the answer from the two japanese sellers i’ve been chatted with.
Now i am a proud owner of the fully original Fidelity-Research FR-7fz (LineContact tip), thanks
@nandric who motivated me to buy it and
@syntax who helped me with some info too. It’s hard to imagine, but i bought it from the local guy in my town and the price was nice (i had to be quick).
Now i’m trying to find documentations for this model to make sure about the specs. There is a link with the specs, i hope
this is correct specs.
Fidelity-Research FR-7fz specs:
■ Price in 1984 was 80,000 yen
■ Power generation method: MC type
■ Output voltage: 0.24 mV (5 cm / sec 45 °)
■ Needle pressure: 2.0 ~ 3.0g
■ Load resistance: 5 Ω
■ Playback frequency: 10 - 45,000 Hz
■ Channel separation: 20 dB / 1 kHz
■ Channel balance: 1 dB / 1 kHz
■ Compliance: 7 × 10 - 6 cm / dyne
■ Tip: contact type
■ Weight: 30g
■ Exchange needle unit replacement: (60,000 yen)
■ Release: 1984
■ End of sale: 1989
■ Shell integrated type.
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and
for comparison Fidelity-Research FR-7f specs:
■ Price in 1980 was 77,000 yen
■ Power generation method: MC type cartridge
■ Output voltage: 0.15 mV (3.54 cm / sec., 45 °)
■ Output voltage: 0.2 mV (5 cm / sec., 45 °)
■ Output power: 2 × 10 -8 W (5 cm / sec 45 °)
■ Needle pressure: 2 g to 3 g
■ Load impedance: 3 Ω
■ Coil impedance: 2 Ω
■ Playback frequency: 10 Hz to 45 kHz
■ Channel separation: 28 dB (1 kHz)
■ Channel balance: 1 dB (1 kHz)
■ Compliance: 7 × 10 -6 cm / dyne (100 Hz, 20 ° C.)
■ Tip: 0.15 mm square Refined contact, Solid Diamond needle
■ Weight: 30 g
■ Exchange needle unit replacement: (¥ 54,000)
