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Everything posted by Quentin Jarrell
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My batteries are paralleled WITHOUT being connected
Quentin Jarrell replied to shizzzon's topic in Advanced Discussion
It should be infinite ;)/> Zero means short circuit. Infinite means open circuit. I've yet to see a meter say infinite when on the resistance setting. -
Newbie Question: Porting Rear Deck
Quentin Jarrell replied to Patrick Danesky's topic in SPL & SQ / Fabrication
. Wouldn't do that unless u are adding some steel tubing somewhere. The rear deck keeps the strut towers from falling inward. -
My batteries are paralleled WITHOUT being connected
Quentin Jarrell replied to shizzzon's topic in Advanced Discussion
Hard to understand what u said but the first few that hooked up were .68 ohms or something. And the last one was zero? I'd assume it was zero because it wasn't hooked up. -
any tips for finding a good ground without a dmm?
Quentin Jarrell replied to krb1991's topic in General Audio
How did you determine its a ground problem. Also you can buy a test light and go from the positive of the amp to the spot you sanded and see if it lights up. A dmm would be the better choice. Never ever ever ever use a test light or analog meter. In the wrong hands you'll be buying a new ecu or bcm. -
any tips for finding a good ground without a dmm?
Quentin Jarrell replied to krb1991's topic in General Audio
http://www.mecp.com/newsletters/6-06_Voltage.htm -
any tips for finding a good ground without a dmm?
Quentin Jarrell replied to krb1991's topic in General Audio
Need to add the MECP basic installers guide as another book to read before attempting to install a potential death trap. -
And the big boys ain't gonna allow you just carry a select few products. You are gonna carry everything or nothing. Recently the dealer I used to work for decided they didn't like Alpine's new headunit so they only wanted their amps and speakers. After 30 something years and over $100,000 of dealer cost per month Alpine canceled their account.
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You might get away with getting accounts some of these smaller companies. But any big brand is going to have a rep firm you will have to go thru. They will send an agent out to verify your location. You might be able to find a few distributors that will sell to you with out visually seeing your location. But they will be breaching their contracts with their brands selling to you in this manner. Regardless which route you go you are going to need proof of business. I.e. state and county tax and resale liscenses.
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The first thing you need to do first is get some cardboard and make the biggest box you can physically slide into your trunk. This way you will know exactly what you have to work with.
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Like you said it's hard to get sound into the cabin. Those cars have pretty thick seats. To get the most potential you will want to have your seats lowered. As far as the quality of sound is concerned in a properly built ported or sealed box you aren't going to be able to tell the difference. To gain maximum output you will want to face the sub(s) forward. And use the maximum amount of port as possible. Regaurdless of what people will tell you using proper port area will give you a noticeable difference in output. This has been tested and proven by some the best transducer designers in the industry.
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How is the output from an amplifier divided in volts and amps ?
Quentin Jarrell replied to REVpuggie's topic in Advanced Discussion
Ill take that as some form of sarcasm -
ok, im just really hoping this works out. ive tryed with ported enclosures but im just not having luck lol. i dont have much expierence with ported and every single one ive ever built sounded like shit. and now with my charger im mind fucked with trying to solve my problem. i went to big with the 18'' but i think i can make it work out (one day) eventually. Just recently i had a 6cuft box with an 8'' pvc tuned to 33hz half internal half external shooting thru the left rear seat. but of course once again SHITTY. And this one is gonna turn out just as horrible. You can't expect to cram 10lbs in a 5lb bag and have everything turn out wonderful.
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How is the output from an amplifier divided in volts and amps ?
Quentin Jarrell replied to REVpuggie's topic in Advanced Discussion
You need to google ohms law first. Then the definition of efficiency. It may answer some of that question. -
0ga or 4ga
Quentin Jarrell replied to Jacob86's topic in Amplifiers / Head Units / Processors / Electrical
What they all said. Plus if you purchase your wire from. www.weldingsupply.com It'll be cheaper to do one larger run rather than two smaller runs. -
(4) 12" Ported Enclosure
Quentin Jarrell replied to Quentin Jarrell's topic in Direct Sound Solutions
external 38" wide x 27.25" tall x 41" deep -
Old School Kicker XS100 ZR1000
Quentin Jarrell replied to Mtopper's topic in Amplifiers / Head Units / Processors / Electrical
If the amp was ever turned on without the crossovers installed or if the amp was mounted directly to the vehicles metal it might be the reason why it's broke. -
Maybe I have worded it wrong. You can typically cram a bandpass in a smaller area due to physical area of the way it can be positioned in the vehicle. For example you could shoe horn a bandpass to go thru a ski hole but it might not be logical or possible to get a big ported box to work.
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The only reason to use a bandpass box over a ported enclosure is if you are restrained by space. You will almost always have a better response and be just as loud if not louder by going ported especially on the "lows" as a bandpass enclosure will normally start to rolloff relatively high compared to ported.
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The 4th or 6th is the rate of roll of the enclosure has. It has nothing to do with style or "type" of enclosure. People normally prefer 4th order has a rolloff rate of 24db per octave.
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That's a personal preference. Which roll off do you prefer.
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That would be the reason. You are going to need your max deminsions including where the port needs to be located to fire into the ski hole.
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Ethos motors have been ordered.
Quentin Jarrell replied to Quentin Jarrell's topic in Direct Sound Solutions
Curious if there is a specific reason the guys at STEP use that specific pattern for the mounting holes? Same thing they did on the UL12. Hard to tell by the drawing. But the "Square" is 12.5" OD. Same OD as typical 12's. so I can get 25-30% more Sd than normal frames. Or I can go up to a 2.75 wide surround and keep the same amount of Sd which is needed for the MMAG motors I'm working with. -
^ what he said limited reasons to use one.
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Ethos motors have been ordered.
Quentin Jarrell replied to Quentin Jarrell's topic in Direct Sound Solutions
Audibel Customs was set up as a DBA. It's a long and expensive process in Louisiana to change a DBA to a LLC so I just dropped it. Ah, that's too bad, I love your AC logo. You mean the Pinnacle Acoustics logo? Pinnacle Acoustics will be used for all my MMAG subs. -
Ethos motors have been ordered.
Quentin Jarrell replied to Quentin Jarrell's topic in Direct Sound Solutions
Audibel Customs was set up as a DBA. It's a long and expensive process in Louisiana to change a DBA to a LLC so I just dropped it.