Downunderwonder Posted February 3, 2022 Share Posted February 3, 2022 29 minutes ago, funkyjazz said: Someone told me it is maybe possible to rewire the transformer to accept 230V instead of 120V. Anyone knows whether this could be done on an Ampeg B25? A bit of a search throws up a lot of ''export version b25 transformer 240v'', so probably not. Quote Link to comment Share on other sites More sharing options...
agedhorse Posted February 3, 2022 Share Posted February 3, 2022 No, the schematic shows a 120V primary only. 1 Quote Link to comment Share on other sites More sharing options...
BassmanPaul Posted February 3, 2022 Share Posted February 3, 2022 I have not seen many, if any, amps built for the US market with power transformers having adjustable primaries. Quote Link to comment Share on other sites More sharing options...
agedhorse Posted February 3, 2022 Share Posted February 3, 2022 2 hours ago, BassmanPaul said: I have not seen many, if any, amps built for the US market with power transformers having adjustable primaries. It’s more common now, but wasn’t 20 years ago. 1 Quote Link to comment Share on other sites More sharing options...
Downunderwonder Posted February 3, 2022 Share Posted February 3, 2022 4 hours ago, BassmanPaul said: I have not seen many, if any, amps built for the US market with power transformers having adjustable primaries. Mesa D180, Bass200. Dunno about the 400 series. Quote Link to comment Share on other sites More sharing options...
agedhorse Posted February 4, 2022 Share Posted February 4, 2022 Most Genz Benz amps had universal primaries with 115/230V switches Quote Link to comment Share on other sites More sharing options...
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