You are looking at very very good MC step up transformer manufactured by Sun Audio, special order to Tamura Corp, model SAT-2000.　Retail price is 1700USD.Condition is mint.Primary is 3ohm, 20ohm and 40ohm,with a gain ratio of 34, 26 and 23db respectivly,help you use almost cartridges in market. There is switch help you change the step up ratio to match with your cartridge or your system. It was put in very heavy chassis, total weight up to 3kg.

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