Forums
New posts
Search forums
What's new
New posts
Latest activity
Members
Registered members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
DIY & Tutorials
DIY For Audio
What Voltage Rails for 50w in 8 Ohm?
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support AVForums:
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="tangmonster" data-source="post: 176373" data-attributes="member: 1581"><p>lets look at this sine wave</p><p></p><p><img src="http://upload.wikimedia.org/wikipedia/commons/4/4a/Sine_wave_2.svg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>lets say 1 = 28.28V</p><p>lets say it is measured across a 8ohm resistor.</p><p>this resistor is dissipating 50W into heat</p><p></p><p>peak power: normally peak power is calculated by taking 28.28 x 3.5A = 100W</p><p> this means nothing. This is the power generated into heat for a very very small amount of time when the voltage is at +28.28V or -28.28V</p><p></p><p>rms wattage: this is the true constant wattage 28.28/1.414 x 3.5A/1.414</p><p></p><p>PMPO wattage: utterly useless , just like the contrast rating on monitors and tv's it is a made up thing that everyone uses like they please to put a number on a manual that means nothing</p></blockquote><p></p>
[QUOTE="tangmonster, post: 176373, member: 1581"] lets look at this sine wave [IMG]http://upload.wikimedia.org/wikipedia/commons/4/4a/Sine_wave_2.svg[/IMG] lets say 1 = 28.28V lets say it is measured across a 8ohm resistor. this resistor is dissipating 50W into heat peak power: normally peak power is calculated by taking 28.28 x 3.5A = 100W this means nothing. This is the power generated into heat for a very very small amount of time when the voltage is at +28.28V or -28.28V rms wattage: this is the true constant wattage 28.28/1.414 x 3.5A/1.414 PMPO wattage: utterly useless , just like the contrast rating on monitors and tv's it is a made up thing that everyone uses like they please to put a number on a manual that means nothing [/QUOTE]
Insert quotes…
Verification
Post reply
DIY & Tutorials
DIY For Audio
What Voltage Rails for 50w in 8 Ohm?
Top