Pre-Owned Fidelity Research FRT-3

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 output 2 vrms and judgment is not made.
External dimensions	64 mm wide x 64 mm high x 105 mm deep

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