Posted February 1, 200817 yr Hello all.Hope you`re all doing fine I strill haven`t had a chance to alter the Escort install.But I have been messing about with my vectras boot install.Check this out:See this weird box...6th Order bandpass or simply a tunnel in a boot.This box is far better than any box I have ever made It plays low.It plays loud.It plays a very wide musical frequency with accuracy and is practically flat in it`s overall frequency response.O.K. The system specs.Vectra Sri - Boot System.1x HMM Box- That`s what I`m calling it - After the ideas from a guy called Henry & Mazdawg & Me making the thing to see what happens.1x SPLd S-1200d (1200wrms @ 1ohm)2x Brand new - Stereo Integrity 12" Baby Magnums (500wrms power handling per sub)1x 70Ah Leisure battery1x Sony Cheapo Head UnitTHE SCORES :thumbsup: Using only 1200wrms of power this system does the following.((((Propper Droppers))))Total Average Score = 141.4dB (I`m confident this score will get louder... )Peak Freeq = 142.8dB @ 22Hz40Hz= 140.3dB33Hz= 140.0dB25Hz= 141.2dB20Hz= 142.7dB10Hz= 130.7dBAnd I tested it using the dB drag rules too.Readings taken from 60Hz downwards + the ((((Propper Droppers)))) SPL frequency format.60Hz= 138.0dB55Hz= 140.3dB50Hz= 141.7dB45Hz= 141.7dB40Hz= 140.3dB33Hz= 139.9dB25Hz= 137.9dB20Hz= 136.5dBIs that good stuff or what!!!! ? ? ?
February 1, 200817 yr Author Don`t forget my last ported box need 2500wrms to hit the same sort of dB figures.The ported box never played over such a wide frequency range either.This box is doing more or less identical scores using.Only 1200wrms. Half the power of the previous system!!Over a much wider range of frequencies. Edited February 1, 200817 yr by Mega Heavy Bass
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