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New Build - Doing a Show from the Van
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<blockquote data-quote="hispls" data-source="post: 8585248" data-attributes="member: 614752"><p>My .02$</p><p></p><p>You really shot yourself in the foot not doing lithium batteries right from the start. Size and weight savings is enormous and dollar for dollar you don't sacrifice much energy storage with 1000$ worth of lithium vs. 1000$ worth of AGM battery. Shop around, if you're savvy enough to build the battery bank you have now you can search the solar power sites for good lithium options that shake hands well with your solar setup.</p><p></p><p>Next, with sound you have what is known as "Hoffman's Iron Law" which says that you can have:</p><p></p><p>1. High efficiency</p><p></p><p>2. Small box</p><p></p><p>3. Good low extension</p><p></p><p>But only two of them at one time.</p><p></p><p>Look at most PA cabinets and they're HUGE, big woofers and big horns. They're very efficient. If you want good full sound you'll need to either use some large cabinets or use a lot of power. Which is acceptable for you? Space is a premium, but battery to run high power amps won't come cheap, nor will the amps!</p><p></p><p>How much space do you have to work with even? Pics of the van?</p><p></p><p>For simplicity's sake I'd lean towards just buying a Crate, Fender, Marshall cab/amp combo and running it on an inverter, but if space is a super premium you may be able to rig up a nice array of full range PA speakers/horns/etc. in a door that could open and project well enough. Brazil makes some very small and efficient full range class D amps, I'd lean towards them if you are trying to use car amps to drive things. You will almost definitely want some EQ, crossover, and processing though. Just slapping a bunch of speakers in your doors can and usually does sound really awful, and you'll need a solution to convert your plugs into RCA at a proper input voltage to drive those amps.</p></blockquote><p></p>
[QUOTE="hispls, post: 8585248, member: 614752"] My .02$ You really shot yourself in the foot not doing lithium batteries right from the start. Size and weight savings is enormous and dollar for dollar you don't sacrifice much energy storage with 1000$ worth of lithium vs. 1000$ worth of AGM battery. Shop around, if you're savvy enough to build the battery bank you have now you can search the solar power sites for good lithium options that shake hands well with your solar setup. Next, with sound you have what is known as "Hoffman's Iron Law" which says that you can have: 1. High efficiency 2. Small box 3. Good low extension But only two of them at one time. Look at most PA cabinets and they're HUGE, big woofers and big horns. They're very efficient. If you want good full sound you'll need to either use some large cabinets or use a lot of power. Which is acceptable for you? Space is a premium, but battery to run high power amps won't come cheap, nor will the amps! How much space do you have to work with even? Pics of the van? For simplicity's sake I'd lean towards just buying a Crate, Fender, Marshall cab/amp combo and running it on an inverter, but if space is a super premium you may be able to rig up a nice array of full range PA speakers/horns/etc. in a door that could open and project well enough. Brazil makes some very small and efficient full range class D amps, I'd lean towards them if you are trying to use car amps to drive things. You will almost definitely want some EQ, crossover, and processing though. Just slapping a bunch of speakers in your doors can and usually does sound really awful, and you'll need a solution to convert your plugs into RCA at a proper input voltage to drive those amps. [/QUOTE]
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