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I am installing 6 Fosgate p3 12" subs. He wants them installed behind the drivers seat and center console, leaving one seat in the back for a passenger. Spl is all he is worried about. They will be powered by 3 t1 1500 fosgate amps. 370 amp alt. 2 runs of 1/0 copper welding wire for power and one more for ground as well as alt. and grounds upgraded. 3 deep cycle batt. Not a great kenwood double din fed into an Audison bit ten processor and sub out put to an audiocontrol 3.1 to the fosgate t1500's. Right now he has 2 slot ported boxes of different size and one slap box that's even bigger. The slap box sounds the best I think. We only went with p3's cuz the price was right. This is a budget build. So far we have $800 in it. Please help wit a box design to maximize spl in this cab of this avalanche. I have built boxes before. No problem there. I'm just not sure how to maximize it for spl. I know that the cab raises the resonance frequency, compared to a car, but i do not have the equipment to check it. The t1500' s have a bass boost frequency of 45 hz and is not adjustable , frequency wise. So I was thinking of tuning the port code to that. Correct me if I'm wrong. Also. What is the disadvantages and advantages of sharing common walls of a slot ported box besides the displacement of the extra wood. From the drivers rear door to the seat we are leaving in the back I have roughly 40". From the back wall to the back of the center console I have 32" then a 4" x 4" step up. From roof to floor I have 46". Thank you for your time. If anything sounds wrong please correct me.

Hey guys, up for sale I have my tight (well use your imagination)! You can also call or text me @ (717) 679- 6682. to see pics of what Im working with REAAAALLLY would prefer local hookups.

hi... my name is tommy, i'm from germany and i'm 24years old. now i wanna show my car and my build... Audi 80 b4 avant back windows tinted 95% 50mm front and back lower 17" wheels carbon adhesive foil on the hood the system: zenec head unit front and backdoors focal front amp next subwoofers 2x rockford fosgate t115 d2 in a wall, behind the backseats sub-amp esx 1800.2 batts 3x agm 90ah 146,3 @ 39hz 143,xx @ 30 hz 139,xx @ 22 hz the next step will be tuning up to 35-39hz with a highe peak like 45-46hz greatings from germany, tommy

Here we have John Enzweilier"s 1993 Chevy Silverado Ext Cab pickup with the 90's Rockford Fosgate equipment. John's truck has the following gear: Pioneer DEX-P8000R Head Unit (5) Rockford Fosgate Punch 200x2 Amplifiers (1) Rockford Fosgate Punch 400x4 Amplifier (8) Rockford Fosgate Punch DVC Special Edition 12" subs ESB Audio 8000 6.5" component speakers 3.5" JL Audio Coaxials 6.5" JL Audio Coaxials Stinger OFC Wiring / Distribution Note: this is not an SPL setup, just a fun old school install. Don't get too caught up on the numbers... See OSS Meets Playlist: https://is.gd/ossmeets Watch video on YouTube in 4K UHD or embedded below:

Taking it back to the old school with the 1999 Rockford Fosgate Power 1100a2. This is one of Rockford's most powerful two-channel amps ever. It's rated to deliver 275W/ch at 4 ohms, 550W/ch at 2 ohms or 1100W at 4 ohms bridged. It also promises 1460 watts dynamically at 4 ohms using the IHF-202 standard test (1kHz, 14.4 volts). We take a look at the amp's exterior, interior and try it out on the Amp Dyno...Check it out!! Watch on YouTube in 1080/60p or embedded below:

hi there, im icelandic so i will be buying subwoofers from USA because were a small country and not many subwoofer choices here,,, i was planing to get 2x 15", but i cant decide witch! ---------------------------- earthquake dbxi15d http://www.techronics.com/caraudio_14507_Earthquake-DBXI-15D-15-inch-Dual-4-ohm-DBXi-Series-Car-Subwoofer.html earthquake magma15x http://www.techronics.com/caraudio_14496_Earthquake-MAGMA15X-15-inch-Dual-4-Ohm-Magma-X-Series-Car-Subwoofer.html rockford fosgate P3D4-15 http://www.rockfordfosgate.com/products/product_details.aspx?itemid=120424 Soundstream r2.154 http://www.techronics.com/caraudio_15100_Soundstream-R2-154-15-inch-1100W-Reference-Series-Dual-4-Ohm-Car-Subwoofer.html ---------------------------- im just lost, i dont know witch one im going to buy! im looking for loud but with decent SQ and hits the lows good i dont know if my music type matters, but im pretty much into dubstep im driving a subaru impreza hatchback 1998 and dont want to get a new altenator because they are really expensive here in iceland. i will get a extra battery and a cap, i will have a class d mono stable @1 ohm @2 ohm its 1200wrms so it will be around 1400wrms @1ohm thank you for helping me and have a nice day.

http://photobucket.com/06envoydenali

Hey guys I'm finally doing videos and updates of all the things I've been doing to my car over the last few years. I stumbled into the world of car audio a little over a year ago so im still learning. Its nice to have a community of intelligent people that I can bounce some ideas off. Let me know what you think! Teaser Video:

Hello everyone! New to this particular forum. I am looking to replace my old Rockford Fosgate T1 10D4 with something new. I ran the T1 for a long long time then stopped. I just don't feel it hitting in my chest like I remember. So hence the need to upgrade. I am running a Rockford Fosgate Prime R500x1d. Birth sheet says 633 RMS so real world I'm estimating 560 RMS. I have seen the SA-10 rated at 500 RMS but I've seen conflicting details. I do not want to under power this sub. I know the sd.3 is supposed to be more SQ based and has an rms rating of 500 rms. Obviously I would like whichever speaker I decide to have good SQ but I also want to feel it in my chest. I miss that feeling and watching everything in my truck shake. Any opinions or advice in either direction would be much appreciated. Thank you

Hey guys! I've been watching this site and reading y'all's posts for a couple years and I've finally come up with enough money, time, and knowledge to dive headfirst into my first real car audio install. Now, this "real" install may not seem like a whole lot, but given my shoestring college budget and limited funding it's pretty big for me haha. But anyway, enough chit chat, let's get right down to it: I have been planning this build for about 6 months, when I received the plans for the enclosure (early December), but I didn't have the equipment, funding, or time to do it. I FINALLY got down to business and built and installed it over the last couple days. It took about three days and ~50hrs total with a couple of my friends helping to get it all finished. The good stuff: The enclosure is a 6th order series tuned bandpass, designed for one 2007 model Rockford Fosgate P3D215 500 watt sub. The amp powering it is a Rockford Fosgate P700-1BD. The enclosure is designed for audible performance over a 25-45hz passband, with a bias towards the lower end of that (27-36hz). I gave him the majority of the back end of my jeep, up to seat level, for gross available enclosure volume and he used basically all of it. The internal volume is around 13 cubic feet! Before I had Pete design the enclosure, I sent the sub to him to extract accurate T/S parameters: Needless to say, many of the parameters vary substantially from the OEM specs. Theoretical frequency response and impedance profile at the driver's side headrest. More to come tomorrow!

Okay so i have a 2002 chevrolet suburban with blown door speakers. I have been looking around for door speakers that fit 6-3/4" and have been getting very mixed reviews on a ton of different speakers. Any on advice on some great quality speakers that are in 250 to 350 bucks range, looking for quality not just loud. I have a 6 channel amp that i could possibly use too. Setup: Jl 500/1 amp 2 Jl 12" W3V3's Pioneer DEH-3200UB Headunit 4 gauge wiring

Got the new Mechman 320 amp alternator installed this morning in 15 minutes!!!! The alternator is right on top so not one issue. Old one was 160 amp alternator 320 is keeping everything in Jeep happy now! Going to run a another power run to back for a total of 2 runs to rear.

Hey everybody. Within the next year I'm looking to put a system in my 2000 Chevy Tahoe. I originally planned on doing two Rockford Fosgate T2 12s and a T2500. Well i have been looking around quite a lot and I've become interested in Sundown Audio. Does anyone have any reviews on their x12 dual 2 subwoofer and the SAZ-5000D Amplifier? Also my budget is about 700-900 for subwoofers, and somewhere under the 2,000 range for the amp. So all suggestions are appreciated and taken seriously. But i would like to go with anything above 2500 watts. Any other Companies i should be taking seriously, companies with good pricing? (rockford seems to charge a lot just for their name) P.s Again, if you have any other ideas, please feel free to post them Thankyou, Jon