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OK. So that would be a 450W transformer based on the chart. Seems within reason for the one you pictured. I don't know what to say about the Marshall Major transformer. Maybe the given graph doesn't extrapolate as you assumed for larger transformers.
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yeah i mean it does seem to taper off on the chart, but there must be some reason that most amps use such large transformers, would it have something to do with hysteresis or something I don't even really know what that is, well I do just not what bearing it has on actual sound but yeah like it must be some other factor, any ideas?Comment
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Well, for one thing a 100W output amp will need a transformer that can supply at least 200W to the power amp B+ plus the heater circuits and the pre-amp. That can easily be a total of 250W. Then you should probably have a safety factor and maybe a little more if you don't want it to run too hot. I'll have to look into it but it's time to get some sleep now.
Cheers,
TomComment
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