How do i find out how many watts my guitar amp has?

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Question:

I have a peavey transtube with 2 10" speakers in it, and on the back it says it is 300w but also it says 50w
so which one is it!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

And yes, Matt is completely wrong!.

There are always two watt ratings on the back of your amp, one is the power supply and the other is the output!.

So here's the deal - if you want to create sound, you have to turn electricity into sound waves, right!? So there are a number of different ways you can arrange your transistors and tubes and all that to do it!.!.!. called circuit topologies!.!.!. also known as classes!. The most efficient way is called Class D - 300 watts come in, almost 300 watts come out!. Very difficult to adapt to guitar amps, for technical reasons that you don't care about!. The least efficient way is Class A - surprise, it sounds the best!. 300 watts comes in, between 30 and 60 or so watts comes out, depending on how it was done!.

So there will always be a loss between what comes in and what comes out - usually a lot of loss! That is what you are seeing on the back of your amp - your amp will use up to 300 watts of power, but will only output a maximum of 50 watts!.

There are also speaker watt ratings, which may or may not be listed on the speakers themselves!. Usually you want speakers that are rated for more than what your amp can deliver, although it doesn't necessarily have to be that way!. My Marshall Valvestate sucks at least 100 watts, outputs a maximum of 65, and has speakers that are rated at 80 watts, if I remember correctly!. That's all pretty normal and what you would expect if you looked at the back of pretty much any guitar amp!.

Hope that helps!.!.!. it should, since it's correct!. =)

SaulWww@QuestionHome@Com

Its maximus compacity of output to the speaker through the amplifier is 300w, but each speaker is standard 50w, so if you turn up your amp the more watts your speakers will recieve!. But they say 50w, b/c thats what the best stage of volume it should be at, over 50w can be distorted or can damage your speakers, which doesnt usually happen unless your overdoing music, with highest volume setting, and heavy metal being played!.Www@QuestionHome@Com