Menu
Forum
General Car Audio
Subwoofers
Speakers
Amplifiers
Head Units
Car Audio Build Logs
Wiring, Electrical and Installation
Enclosure Design & Construction
Car Audio Classifieds
Home Audio
Off-topic Discussion
The Lounge
What's new
Search forums
Gallery
New media
New comments
Search media
Members
Registered members
Current visitors
Classifieds Member Feedback
SHOP
Shop Head Units
Shop Amplifiers
Shop Speakers
Shop Subwoofers
Shop eBay Car Audio
Log in / Register
Forum
Search
Search titles and first posts only
Search titles only
Search titles and first posts only
Search titles only
Log in / Join
What’s new
Search
Search titles and first posts only
Search titles only
Search titles and first posts only
Search titles only
General Car Audio
Subwoofers
Speakers
Amplifiers
Head Units
Car Audio Build Logs
Wiring, Electrical and Installation
Enclosure Design & Construction
Car Audio Classifieds
Home Audio
Off-topic Discussion
The Lounge
What's new
Search forums
Menu
Reply to thread
Forum
Car Audio Discussion
Amplifiers
Efficient / non efficient amps
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
.
Message
<blockquote data-quote="cstabler" data-source="post: 983724" data-attributes="member: 560109"><p><strong>The ratio of the useful energy delivered by a dynamic system (such as machine, engine, or motor) to the energy supplied to it over the same period or cycle of operation. The ratio is usually determined under specific test conditions.</strong><a href="http://www.natresnet.org/resources/lender/lhandbook/glossary.htm" target="_blank">http://www.natresnet.org/resources/lender/lhandbook/glossary.htm</a></p><p></p><p><strong>The measure of loudspeaker's ability to convert power to work. Formula Efficiency = (power out/power in) x 100. Efficiency is always expressed as a percentage.</strong></p><p></p><p><a href="http://www.precisionautosound.net/glossary.html" target="_blank">http://www.precisionautosound.net/glossary.html</a></p><p></p><p><strong>The ratio of total output power to input power expressed as a percentage. Normally specified at full load and nominal input voltage.</strong></p><p></p><p><a href="http://www.snaptec.com.au/technicalnotes/glossary.htm" target="_blank">http://www.snaptec.com.au/technicalnotes/glossary.htm</a></p><p></p><p><strong>The percentage of power that gets converted to useful work. Example: An electric pump that is 60% efficient converts 60% of the input energy into work - pumping water. The remaining 40% becomes waste heat.</strong></p><p></p><p><a href="http://www.thesustainablevillage.com/essays/watpumpglossary.html" target="_blank">http://www.thesustainablevillage.com/essays/watpumpglossary.html</a></p><p></p><p><strong>The ratio of the output to the input of energy or power, expressed as a percentage.</strong></p><p></p><p><a href="http://www.canren.gc.ca/prod_serv/index.asp" target="_blank">http://www.canren.gc.ca/prod_serv/index.asp</a></p><p></p><p><strong>The efficiency of a transformer is the ratio of its power output to its total power input.</strong><a href="http://www.jeffersonelectric.com/techglos.html" target="_blank">http://www.jeffersonelectric.com/techglos.html</a></p><p></p><p><strong>Generally speaking, efficiency is the ratio of total energy output to total energy input, expressed as a percentage. Loudspeaker efficiency is usually very low, in the 1% to 3% range, meaning 97% to 99% of the energy is dissipated as heat! A typical car audio amplifier has an efficiency of 50%. Rockford Fosgate amplifiers efficiency ranges from 50% to about 70%, which means less current drawn from your electrical system for a given amount of power than our competitors.</strong></p><p></p><p><a href="http://www.customautosounds.com/faq.html" target="_blank">http://www.customautosounds.com/faq.html</a></p><p></p><p>Hmm... //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif</p></blockquote><p></p>
[QUOTE="cstabler, post: 983724, member: 560109"] [B]The ratio of the useful energy delivered by a dynamic system (such as machine, engine, or motor) to the energy supplied to it over the same period or cycle of operation. The ratio is usually determined under specific test conditions.[/B][URL="http://www.natresnet.org/resources/lender/lhandbook/glossary.htm"]http://www.natresnet.org/resources/lender/lhandbook/glossary.htm[/URL] [B]The measure of loudspeaker's ability to convert power to work. Formula Efficiency = (power out/power in) x 100. Efficiency is always expressed as a percentage.[/B] [URL="http://www.precisionautosound.net/glossary.html"]http://www.precisionautosound.net/glossary.html[/URL] [B]The ratio of total output power to input power expressed as a percentage. Normally specified at full load and nominal input voltage.[/B] [URL="http://www.snaptec.com.au/technicalnotes/glossary.htm"]http://www.snaptec.com.au/technicalnotes/glossary.htm[/URL] [B]The percentage of power that gets converted to useful work. Example: An electric pump that is 60% efficient converts 60% of the input energy into work - pumping water. The remaining 40% becomes waste heat.[/B] [URL="http://www.thesustainablevillage.com/essays/watpumpglossary.html"]http://www.thesustainablevillage.com/essays/watpumpglossary.html[/URL] [B]The ratio of the output to the input of energy or power, expressed as a percentage.[/B] [URL="http://www.canren.gc.ca/prod_serv/index.asp"]http://www.canren.gc.ca/prod_serv/index.asp[/URL] [B]The efficiency of a transformer is the ratio of its power output to its total power input.[/B][URL="http://www.jeffersonelectric.com/techglos.html"]http://www.jeffersonelectric.com/techglos.html[/URL] [B]Generally speaking, efficiency is the ratio of total energy output to total energy input, expressed as a percentage. Loudspeaker efficiency is usually very low, in the 1% to 3% range, meaning 97% to 99% of the energy is dissipated as heat! A typical car audio amplifier has an efficiency of 50%. Rockford Fosgate amplifiers efficiency ranges from 50% to about 70%, which means less current drawn from your electrical system for a given amount of power than our competitors.[/B] [URL="http://www.customautosounds.com/faq.html"]http://www.customautosounds.com/faq.html[/URL] Hmm... [IMG]//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif[/IMG] [/QUOTE]
Insert quotes…
Verification
Post reply
Forum
Car Audio Discussion
Amplifiers
Efficient / non efficient amps
Top
Menu
What's new
Forum list
