Siam Triode Co. - Top of the line Output Transformer from ISO, Japan. FC-40-5S 180mA, same spec. as ISO Tango X-5S with maximum 180mA on primary section or S-2108 custom version. Suitable
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New Pair Of Hirata (ISO) Tango NC-20 Ultimate Interstage Transformers For 833 / 211 / 845 DIY SET Am Photo #1840942 - US Audio Mart
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