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Re: 12v Eco project sound system

Hi Daniel,

I know that you are trying to build an efficient system, but also trying to get high spl and good impact from your speakers. Normally, those two parameters don't go together very well.

I just thought that I would mention that Rockford Fosgate has developed a different type of 12v amplifier that sounds great and is super efficient (well, around 80%) its called the "class BD" series, a combination of class b and d in the same design. I have personally used these amplifiers in the past for car audio competitions and won several times. You may consider trying to find one or more of these for your low frequency section. Fosgate has this topology patented, so you will have no luck finding a "discount" version of these amps. Though, finding a used amp on the secondary market or ebay may work perfectly for your system.

good luck with your design!

http://www.rockfordfosgate.com/products/product_details.asp?cat_id=2&series_id=6&family_id=19&item_id=108232&locale=en_US&p_status=

<blockquote data-quote="Tim Duffin" data-source="post: 31850" data-attributes="member: 400">Re: 12v Eco project sound systemHi Daniel, I know that you are trying to build an efficient system, but also trying to get high spl and good impact from your speakers.&nbsp; Normally, those two parameters don&#039;t go together very well.I just thought that I would mention that Rockford Fosgate has developed a different type of 12v amplifier that sounds great and is super efficient (well, around 80%) its called the &quot;class BD&quot; series, a combination of class b and d in the same design.&nbsp; I have personally used these amplifiers in the past for car audio competitions and won several times.&nbsp; You may consider trying to find one or more of these for your low frequency section.&nbsp; Fosgate has this topology patented, so you will have no luck finding a &quot;discount&quot; version of these amps.&nbsp; Though, finding a used amp on the secondary market or ebay may work perfectly for your system.good luck with your design!<a href="http://www.rockfordfosgate.com/products/product_details.asp?cat_id=2&amp;series_id=6&amp;family_id=19&amp;item_id=108232&amp;locale=en_US&amp;p_status=" target="_blank">http://www.rockfordfosgate.com/products/product_details.asp?cat_id=2&amp;series_id=6&amp;family_id=19&amp;item_id=108232&amp;locale=en_US&amp;p_status=</a></blockquote>

[QUOTE="Tim Duffin, post: 31850, member: 400"] Re: 12v Eco project sound system Hi Daniel, I know that you are trying to build an efficient system, but also trying to get high spl and good impact from your speakers. Normally, those two parameters don't go together very well. I just thought that I would mention that Rockford Fosgate has developed a different type of 12v amplifier that sounds great and is super efficient (well, around 80%) its called the "class BD" series, a combination of class b and d in the same design. I have personally used these amplifiers in the past for car audio competitions and won several times. You may consider trying to find one or more of these for your low frequency section. Fosgate has this topology patented, so you will have no luck finding a "discount" version of these amps. Though, finding a used amp on the secondary market or ebay may work perfectly for your system. good luck with your design! [url]http://www.rockfordfosgate.com/products/product_details.asp?cat_id=2&series_id=6&family_id=19&item_id=108232&locale=en_US&p_status=[/url] [/QUOTE]

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