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by throw-qqqqq 525 days ago
Unless you’re playing REALLY loud, I don’t think you are anywhere near 250 or 500W of consumption. I would guess it is the maximum rated power?

Even with quite old and inefficient amp + speaker combo, 30W of sound is usually a lot(!).

Tube amps are an exception. They can be very power hungry, but it’s difficult to buy such tech today compared to class D etc.