Fidelity-Research FRT-3 MC Step-Up Transformer
Japanese made Fidelity-Research FRT-3 moving coil step-up transformer in good working condition but with minor age related blemishes. For use between moving coil (MC) phono cartridges and moving magnet (MM) phono stages. Type: Booster transformer Primary impedance: 10 Ω, 30 Ω, PASS (Switching) Secondary impedance: 12k Ω Load impedance: 47k Ω ~ 50k Ω Boost ratio: 10 Ω : 31 dB (36 times) - 30 Ω : 26 dB (21 times) Frequency band: 20 Hz to 30 kHz Distortion factor: Measurement error occurs until