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Fidelity Research FRT-3 step up transformer for 10-30ohm impedance
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THIS ITEM WAS SOLD OUT
- Manufacturer:
- Fidelity Research
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This step up transformer was manufactured in 80s years, very good working condition. Here is some specification:
Primary 10Ω、30Ω、PASS(MM)
Secondary 12kΩ
Impedance 47kΩ〜50kΩ
Stepup ratio: 10Ω:31dB(1:36)
30Ω:26dB(21倍)
Response frequency 20Hz〜30kHz