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Old 25th Sep 2021, 3:16 pm   #2
Join Date: Jan 2004
Location: Newcastle upon Tyne, Tyne & Wear, UK.
Posts: 7,060
Default Re: NAD 7020i receiver

Hi Donald,if it is a mains transformer there may well be 2 primaries 0. 100,120 that can be series or parallel connected for a range of voltage. These are often problematical and a single 240v winding is to be preferred if originality is not important and it is to be used in the UK.
Secondary certainly is "busy", what voltages are present.

Multi taps, especially on Chinese equipment often give problems

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