philrab Posted September 28, 2014 Report Share Posted September 28, 2014 In for the test dummy. Very interesting idea, seams based on sound logic, I just have no experience with the components. 2015 Toyota Tacoma Build Thread 2007 Mazda 3; 5000K HID's, Kenwood Excelon KDC-X997, Infinity Reference 6.5 comps in front and coaxials in the rear doors, JL 320.4 four channel, Rab Designs built ported enclosure with an SA12, Kenwood monoblock, Redline Leater shift boot/e-brake boot/center console cover, JBR short shifter/shifter bushings/rear motor mount. Build Thread 1996 Mazda Miata: Kenwood Excelon HU, Alpine speaker in the doors, Clearwater (miata specific) headrest speakers. 1994 Mazda Protege: Kenwood Excelon HU, Infinity Reference 2 ways all around, 2x RF Punch 10's in ported boxes. Link to comment Share on other sites More sharing options...
Tecomah Posted September 28, 2014 Report Share Posted September 28, 2014 Snow you always blow my mind. 750??! Yeah, fuck that. Fuck this website, fuck SMD, fuck Steve, fuck all of his butt buddy mods, and their couches.^ DON'T BE A DICK LIKE THIS GUY Team Subsonic Lows Link to comment Share on other sites More sharing options...
timc31610 Posted September 28, 2014 Report Share Posted September 28, 2014 What is the price range Snow? My Build Log 94 Civic http://www.stevemeadedesigns.com/board/topic/188644-94-civic-4-door-build-loq-suggestions-wanted-will-be-super-slow-mo/ Faceebook reluctantly Link to comment Share on other sites More sharing options...
Jessica Posted September 28, 2014 Report Share Posted September 28, 2014 I think you might run into issues with it acting like a filter . Jyat a guess though. Waiting for results. I do wonder what kind of usable voltage range these have too.. Like if you aren't sending it enough voltage will it just soak it or something. Rest in peace, walled 87 accord build log 03' Corolla build with AA Mayhem inside. My super random youtube channel and terrible camera work. Wiring comparison by CaptainzPlanetz Wire and fuse guide by Guest SyKo13 Link to comment Share on other sites More sharing options...
Jhunt94 Posted September 28, 2014 Report Share Posted September 28, 2014 This is a very interesting idea. I learned about auto-transformers in AC, but didn't think about using them for audio applications. 2007 Ford F-150 Reg. Cab. Flareside250 Mechman AlternatorSky High Car Audio Big 3 XS Power D3400Rockford Fosgate 1/0 amp kitRockford Fosgate T1500-1bdcpRockford Fosgate T400-4DC Audio Lvl 4 12"Rockford Fosgate Punch 6.5" componentRockford Fosgate Punch 6x8Pioneer AVH-P2300DVDSMD Volt Meter Link to comment Share on other sites More sharing options...
_paralyzed_ Posted September 29, 2014 Report Share Posted September 29, 2014 The ohm load is a physical characteristic of the combination of the particular driver/enclosure and frequency being played. No matter what you do electrically, you can't change that. Your math assumes that it can be changed. It's not like an autotransformer will rewire the coil. Yes, autotransformers change the ratio of current to voltage, but they do not change physical characteristics of circuits. But I don't know this for sure. I wish there was a "summon an EE" button on this forum. This is just what I think. Link to comment Share on other sites More sharing options...
MrBigs63' Posted September 29, 2014 Report Share Posted September 29, 2014 The ohm load is a physical characteristic of the combination of the particular driver/enclosure and frequency being played. No matter what you do electrically, you can't change that. Your math assumes that it can be changed. It's not like an autotransformer will rewire the coil. Yes, autotransformers change the ratio of current to voltage, but they do not change physical characteristics of circuits. But I don't know this for sure. I wish there was a "summon an EE" button on this forum. This is just what I think. I am about to be an EE, just started my Freshman year though. I understand exactly what you are saying, but rise is due to inefficiencies in the box if I am correct which cause the sub to have a higher resistance. Technically if you were able to increase voltage it would take less amps and lead to less heat and a lower impedance rise correct? Just throwing shit out there. Like I said I am just in my Freshman year, no major specific classes yet. LOL Link to comment Share on other sites More sharing options...
Krakin Posted September 29, 2014 Report Share Posted September 29, 2014 http://sound.westhost.com/articles/variac.htm Krakin's Home Dipole Project http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370 Krakin, are you some sort of mad scientist? I would have replied earlier, but I was measuring the output of my amp with a yardstick . . . What you hear is not the air pressure variation in itself but what has drawn your attention in the two streams of superimposed air pressure variations at your eardrums An acoustic event has dimensions of Time, Tone, Loudness and Space Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears, thus no formula can achieve a definite effect for every listener. Link to comment Share on other sites More sharing options...
_paralyzed_ Posted September 29, 2014 Report Share Posted September 29, 2014 Damn it, where is TonyD when you need him. lol Link to comment Share on other sites More sharing options...
CleanSierra Posted September 29, 2014 Report Share Posted September 29, 2014 Tony D? Never heard of him Im not the one you want to try to troll. Just a fyi for you. Link to comment Share on other sites More sharing options...
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