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I understand the relationships between voltage, current and power.

The part that is confusing me is this.... it sounds like, from what I have read.....

Take a radio... currently puts out 4 watts or so....
Take the covers off...
Remove the final and a few components,
Solder in a MOSFET and a few components....
Power it up and....BOOM you are pushing 20 watts.

Again.... that is what I think I am reading in these stories...and I may be wrong... but it is the impression I am getting.

So what I am saying is... if you simply change out the final... and a small group of parts... and all of a sudden you are putting out 4 times the power.....

Wait a minute.... that power has to come from somewhere simply because V x I = P and the voltage in the area of the final was not very likely to change... so where did the extra power come from?

I am probably misunderstanding something and THAT is what I am seeking to remedy!

<blockquote data-quote="guitar_199" data-source="post: 690343" data-attributes="member: 18156">I understand the relationships between voltage, current and power.The part that is confusing me is this.... it sounds like, from what I have read.....Take a radio... currently puts out 4 watts or so....Take the covers off...Remove the final and a few components,Solder in a MOSFET and a few components....Power it up and....BOOM you are pushing 20 watts.Again.... that is what I think I am reading in these stories...and I may be wrong... but it is the impression I am getting.So what I am saying is... if you simply change out the final... and a small group of parts... and all of a sudden you are putting out 4 times the power.....Wait a minute.... that power has to come from somewhere simply because V x I = P and the voltage in the area of the final was not very likely to change... so where did the extra power come from?I am probably misunderstanding something and THAT is what I am seeking to remedy!<img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile&nbsp; &nbsp; :)"&nbsp; data-smilie="1"data-shortname=":)" /></blockquote>

[QUOTE="guitar_199, post: 690343, member: 18156"] I understand the relationships between voltage, current and power. The part that is confusing me is this.... it sounds like, from what I have read..... Take a radio... currently puts out 4 watts or so.... Take the covers off... Remove the final and a few components, Solder in a MOSFET and a few components.... Power it up and....BOOM you are pushing 20 watts. Again.... that is what I think I am reading in these stories...and I may be wrong... but it is the impression I am getting. So what I am saying is... if you simply change out the final... and a small group of parts... and all of a sudden you are putting out 4 times the power..... Wait a minute.... that power has to come from somewhere simply because V x I = P and the voltage in the area of the final was not very likely to change... so where did the extra power come from? I am probably misunderstanding something and THAT is what I am seeking to remedy! :) [/QUOTE]

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