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Found 8 results

  1. Hi! I'm rebuilding my Punto for next year events. I bought it 5 years ago so let's start from there: First system including Ultimate T2 12" subwoofer, Twister TW1000 "1000W" amplifier and Hertz low end 6,5" coaxials and JVC head unit. Then there was Pioneer DEH-P5100UB head unit, better Hertz 6,5" coaxials with Focus Acoustics Formula FX-4150 amplifier, SPL Dynamics XTR-380D2S 15" subwoofer, Focus Acoustics Formula FX-1500D 1500W amplifier and Optima 55Ah battery. In the next step I upgraded speakers to 6,5" Hertz Energy ESK163L.4 3-way component system, made bigger and better subwoofer box, added 20Ah BSB battery and some tuning parts. Next I changed Kenwood KDC-BT92SD head unit, added another set of 6,5" Hertz Energy ESK163L.4 3-way component system speakers to rear, changed FX-4150 amplifier to SPL Dynamics ICE-150.4 and 15" XTR subwoofer to Focus Acoustics Black MK5 15D2 15". Then I upgraded the whole system and started to work with the interior. New system: Optima YELLOW TOP 55Ah and 38Ah batteries Focus Acoustics FX-2500D 2500W amplifier Focus Acoustics Black MK5 15D2 15" subwoofers x2 SPL Dynamics ICE-150.4 amplifiers x2 Hertz ESK163L.4 component speaker systems x2 SPL Dynamics SPL-HD25T Horn Loaded Compressor Tweeters x2 Match PP72W-D subwoofers as midbasses at front x4 To be continued in new post
  2. *************[Note: Since photobucket decided to nerf everyone's accounts, a lot of the pictures in this thread are gone. I intend to fix all of the posts but it will take quite a while. Photos start on page 29 currently. In the meantime all of the photos are available on Facebook by searching #projectflexington and many are on Instagram under the same hashtag. Thanks for looking and please don't be afraid to comment! ]************* So figure it is time to start a build log for my 6th order wall. Been working on it for a few weeks now. I'll start by posting the equipment I'm using for the build. Electrical: Batteries: 2 nsb170fts and 2 stinger group 31s: 3 banks of super caps: 2 singer 320amp alternators (these came with the truck, I'm currently in the process of redoing the bracket to strengthen it and add a tensioner but I'll elaborate later): 4+ spools of skyhigh 1/0, knukonceptz 4/0 ofc for alternators (will post pictures later) Terminals, marine grade ring terminals lugs, properly crimped with double wall adhesive lined heat shrink: Subs are 2 sundown x15s rev 1(will be rebuilding for level 6 18s at a later date): Sub Amp, kicker warhorse: Head unit and tweeters, Sony dsx-s210x and 4x Earthquake Screamers, 1.5" 150wrms per pair silk Dome tweeters with replaceable voice coils: Mid bass, 4x dayton audio 10" pa woofers, 300rms each: Mids are tbd, probably 2 8" midrange speakers. Lots of Baltic birch: If you enjoy, please comment!
  3. Its time to refresh this build log! Been a busy summer with Slam, Heatwave, Photobucket took a sh*t, sold my other car, etc etc. Here's some pics from the last build log, since the PB pics arent visible anymore: Cant fit more tire in this car. Bass squat. But that flush tho Roll bar
  4. Biggest car audio build in Finland, maybe even biggest one in Europe?? 300 000W, 28x15" etc 28x15" subwoofers in 4th order & 14x Soundigital SD12000.1d EVO2 16x12" mids & 4x Soundigital SD12000.1d EVO2 16x8" midranges & 8x SD1200.1d EVO2 12x horn tweeters & 2kw a/b class amplifier
  5. The purpose of this thread is to evaluate and discuss the internal resistance of various batteries and (possibly?) test methods. I’ll start this off by using the DC Load method to test some XS AGM, some K2 73Ah cells, and some K2/JYP 80Ah cells. The DC load method was used because that’s all the equipment that I had available or was able to purchase quickly and on the cheap. Here’s a link for more information on Load Test Methods. http://batteryuniversity.com/learn/article/how_to_measure_internal_resistance Calculation used was Rint = ((Vrest/Vload) -1) x Rload) Where Rint = internal resistance Vrest = Voltage at rest Vload = Voltage once load is applied Rload = resistance of the load resistor Now onto some pictures of the setup. If there is something amiss please chime in so we can figure it out. 1ohm load resistors (although they test out at 0.9ohm) I connected them in series on one end, and I can change the resistance by simply connecting my jumper wire differently. I have the opportunity to connect at 0.45ohm, 0.9ohm, and 1.8ohm. Here's proof of half(ish) ohm, although I didnt use this low of a resistance for data collection: So this connection would be 1.8ohm This connection would be 0.9ohm Here's the 73Ah K2 cells (not JY collaboration batteries) The day before testing, I topped off all the batteries, including the JYP's in the back and the AGMs to the right. 24 hours later, I actually took measurements. Data for the lithiums: Data for the D3400R AGM Looking forward to some comments, suggestions, etc. Thanks for looking!
  6. EDIT (10/23/17): SOLD I bought a bank of 73Ah K2 Lithium two months ago. I couldn't find more than a single bank. Since then, I've sold my car and have decided to add 3 banks of lithium to my build, so I am buying all JY Power. I already have 2 banks of JY, so I'd like to sell this K2 bank to get a third JY. The bank with the copper bars is the one for sale. I made the bus bars, and the neat thing about them is that you can configure the cells in any configuration, unlike the JY bars. Here's a thread I created concerning internal resistance. These batteries measure 3.3milliohms. One JY bank I bought measures 3.3milliohm and the other 2.7milliohm. So these K2's are in good shape. Here's another thread detailing a conversation I had with Cameron at K2 concerning the good health of these cells: Talk about boosting your resting voltage! I had 395Ah of XS Power AGM installed in my car already. When I added the 73Ah cells, the system voltage rose to 13.3V and stayed there strongly. I ran these for about a week before I sold my second car and decided to go bigger. *** Asking $700 shipped to the lower 48 with bus bars included. $650 delivered to (almost) anywhere in central/east Texas and Lousiana.
  7. http://www.ebay.com/itm/302336617415 JY Power says these are a good buy. Anyways,check it out and make your own decision. I have mine on the way already. They wont budge much on the price.
  8. What's going on, all? A month or so ago, I finished up one of my more fun projects for a friend/customer. Here's a build component list: 1998 Ford Expedition Mechman 270a 12v alt 2 JS 370a 16v alts 2 K2 16v 80ah banks 8 runs Sky High 1/0 OFC (4 pos, 4 neg) 3 DC Audio 5.0 amplifiers 6 Skar Audio EVL 15s Crescendo 1100.4 DB Drive mids/tweets C-pillar wall built by yours truly This thing was an absolute blast to put together. It ended up putting up nice numbers for a c-pillar, especially with budget subs. The wall was built for 6 Level 6 15s, and there will eventually be 6 5.0s. Pictures will be uploaded as soon as they finish uploading to photobucket! There are many, many pictures, as well as a few vids. Stay tuned!
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