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2015/4/3

RCA Matching transformers from Ubanggi

2 RCA Matching  transformers  from Ubanggi cabinet.they used for All RCA Speaker Matchin.Because ALL RCA theatre speaker System.They have 32 ohms woofer 15 ohm horn drivers and 4 ohms horn driver.U needs these to match for the impedence .Play music since 1950.



可能是『喇叭匹配變壓器』

曖昧不明的『初級與次級』





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