SnowDrifter Posted April 12, 2013 Report Share Posted April 12, 2013 Why do we use diode based stepdowns? They are super inefficient - they just get hot. Why not use a PWM based system instead? It's much more effecient ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
larrys95civic Posted April 12, 2013 Report Share Posted April 12, 2013 Why run a step down at all? They can fail and fry the crap out of everything else. Run 2 different set ups imo Team Superior SPL Former Installer at Driven Sound & Security http://www.drivenss.com All kinds of forsale threads http://www.stevemeadedesigns.com/board/topic/164247-amps-subs-and-misc/#entry2383262 http://www.stevemeadedesigns.com/board/topic/164430-polk-audio-sda6000-sound-bar/#entry2386634 http://www.stevemeadedesigns.com/board/topic/164279-3-michael-kors-watches/#entry2383983 http://www.stevemeadedesigns.com/board/topic/164549-more-items-from-storage/ http://www.stevemeadedesigns.com/board/topic/166967-dd-9518s-amps-kenwood-custom-explorer-dash/ If someone is feeling generous I'd love an original sig LOL Link to comment Share on other sites More sharing options...
P4killer_ Posted April 12, 2013 Report Share Posted April 12, 2013 That only works if you have multiple alts. If not then you need a step down.. But I have no idea.. sd. Prolly cost more to use pwm then a.simple diode.. Setup: 2010 Hyundai Elantra Factory Unit via 4 chan NVX LOC Excessive Amperage "H/O" Alt Xs D3400/ Xs XP3000 Big 3. 2 Runs of +, 2 Runs of - DD M3b and 2 12" AQ HDC4s Link to comment Share on other sites More sharing options...
8ight Posted April 12, 2013 Report Share Posted April 12, 2013 Why do we use diode based stepdowns? They are super inefficient - they just get hot. Why not use a PWM based system instead? It's much more effecient You get all the noise and fun of a PWM circuit. You would need to build a pretty beefy DC-DC supply to take the current demands of even an idling automobile and almost no accessories. I'm gonna hate Link to comment Share on other sites More sharing options...
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