This has ended up being my favourite cartridge step-up transformer (SUT) whenever I am using a Moving Coil cartridge.
The Fidelity Research FRT-4 SUT is versatile, with 4 x Gain/Impedance ratios and it sounds very good.
It is better sounding than my Fidelity Research FRT-3 (dynamic but slightly ‘coarse’ in comparison) or the very good Stevens & Billington TX103 (less extended treble tone).
Fidelity Research operated from Tokyo from 1964 – 1984.
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“God is in the detail” – Ludwig Mies van der Rohe (et al)
Sometimes it’s necessary to re-examine the little things, the forgotten details. Try to dig out the last 10% improvement.
Consider amplifier and loudspeaker connectors.
We know that music signals are alternating current, AC not DC – swinging positive/negative. We know also that “current in a conductor resides at the surface at high frequency” (Prof. Malcolm Hawksford, HFNRR Aug 1985): Continue reading
This Koetsu Rosewood Signature cartridge (serial no. 065) was manufactured around 1992… Continue reading
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