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Terry Brocks

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  1. Terry Brocks 161.6 World Record out the trunk!! Come See the Video

    in DC Sound Lab - Big Bass on ANOTHER LEVEL!

    Posted · Edited by Terry Brocks

    just out of curiosity....i had a hard time sitting in a vehicle once it reaches 161 and definitely 162+ is getting unbearable. Is this thing hard to sit in or does it just hit the sweet spot on the mic just right? It doesn't look like it actually "hits hard" it just looks like numbers. Not that there is anything wrong with building just for numbers, but does this thing actually slap so hard people want to get out of it?

    This 1991 Honda Civic was acoustically built for SPL only.... 15 years ago AFTER 10 years in the audio competiton scene ... I got bored building musical vehicles as SPL numbers required more tuned one note encloser designs to stay competitive ... musical vehicles are nothing new... I still have my musical vehicle since 1994 ..., around 10 years ago the new Bass-Race format influenced major subwoofer manufacturers(SD,DD,DC,AB) to build products for more Musical vehicles that made a comeback due to the advancement in designs of subwoofers technology allowing deeper bass higher excursions etc... most noobs think music is new thing but it's not ,most are not old enough or not been in the audio competition game long enough to understand SPL ... That's why it's common for individuals unfamiliar with the SPL format to ask similar questions as you just did.. obtw the Trunk SPL Civic is at 162 now :) haha look at Curtis in the back ground plotting lol :P

    • Like (+1 Rep) 1

  14. 3300 rms, 144db?

    in DC Sound Lab - Big Bass on ANOTHER LEVEL!

    Posted

    Good info from Terry.I got a friend right now thats disappointed because he only hit a 140 on the dash with his 2 Kicker L7's on a Kicker 2500.He has a 2005 Monte Carlo with subs up port forward.I think I'm going to take this info terry just gave out about bracing the trunk area and see if he can get an increase.Since we got Terry in here answering questions would you say that the Aero ports for that setup would provide the best output?

    Areoports provide the best spl output, prefab or custom made.

  15. 3300 rms, 144db?

    in DC Sound Lab - Big Bass on ANOTHER LEVEL!

    Posted

    im upset with my power output vs the score,guy has 2 15s clamping at 1000 watts doing a 153, on 3300rms i should be doing a 148 out of the trunk easy

    Utilizing the trunk as the encloser is crucial, make sure the inside trunk panels are braced off using MDF etc ,I foamed insides ,then paneled them off with mdf and then dynomated over. I see many trunk competitors build nice strong good enclosers but their designs is only as good as strength and solidarity of the actual trunk! another way of explaining it is....you don't build a skyscraper on quicksand. Foundation is the most important thing in anything. If trunk Lid,sides and panels are not strong, then rear firing box encloser means nothing, here's a few examples of how I strengthened my trunk and I actually tested a rear firing prefab box that did 150+ NOTE: Make sure you rear light panels,vents are sealed from leaking air!

    You don't have to necessarily make your trunk ugly like mine but it can still be braced with wood with carpet in etc , just make the design and see what happens

    301043_301913299824371_100000171104106_1386465_1156789314_n.jpg

    301043_301913309824370_100000171104106_1386466_798372164_n.jpg

  16. 3300 rms, 144db?

    in DC Sound Lab - Big Bass on ANOTHER LEVEL!

    Posted

    just got back from show today, did a 144 in the kick and powerbass 3k clamped at 3300 rms at 1.8 ohms after rise, that blows my mind. The bo is a little bigger than 3 cubes at 38 hertz and that bastard only doing a 144. Have 2 level 4 12's, in a 1999 passat, huge trunk and lots of room to work with, the car does not like trunk walls, it likes subs back/up port bacl, I need help on ideal box for loud daily driver on that power

    thanks

    greg

    Make your box very similar to mine use at least 3-4 cu allowable, instead of using one large areo port use two 6" areo ports, place them externally all the way to the entrance of your trunk, for daily driving just plug up one of your 6" inch areo ports. you might not be able to stack port one on top of the other so just diagonally install them and place 12's on opposite sides ;)

  22. goal 135db

    in SPL - SOUND PRESSURE LEVEL

    Posted

    Im buying a fully loaded fi bl 12 and running it on a elemental designs nine.1 at 1ohm which is 1200 watts and 12.5v

    My goal is just to hit 135db which i know it aint the loudest. its goin in a single cab truck and im building a box inbetween to the bucket seats its goin to be tuned to 31hz at 2.3ft3. my question is with this setup is it possible to hit 135 ive never had fi audio but nobody talks bad about them

    You should hit well over 140 with that kind of power/cone area depending on vehicle model and encloser design.

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