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Marshall Toroidal Power Transformer
Marshall Toroidal Power Transformer
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Old 22nd April 2012, 04:30 AM   #1
chez521 is offline chez521
diyAudio Member
Join Date: Apr 2012
Default Marshall Toroidal Power Transformer

I have a Marshall 3520 IBS bass amplifier that needs a replacement transformer. Original one made by Drake(# 07-197/8) has dual 115VAC primaries and center-tapped secondary that I think was 35 volts each side of center. After a bridge and two 10,000uFD/63 VDC caps in series across bridge produces about 50VDC on each rail + and - for final MOSFET pairs. Thinking of replacing it with a Avel Lindberg #Y236752. (Someone on here just sold two of those at a steal for $110 and I missed it BTW.) Has anyone replaced the power transformer in one of these? What did you use? Help would be much appreciated. Thank You.
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