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how to wire these subs?
dannysaucedo25 posted a topic in Electrical-battery- Alternators- WiringIm new to D.7 D1 D1.4 etc im looking for a final impedance of .7 to 1.3 my question is what would be the final impedance on a single D.7 and 2 D.7s also same question with a single D1 and 2 D2s and same with the D1.4s
Inspiron100 posted a topic in Sonic Electronix - Great Selection Great PricesIve got 4 SPR-68s from alpine i was hoping o put them in my front doors rather then 2 in front and 2 in back...can they be wired like a typical sub is wired with 2 single 4 ohms to = a 2 ohm final? Or are door speakers different because of the different coils they have.
There is a local show coming up for me on June 30th in PA...12v thunder hosted by 12v Dave... I had a box built a while back for two DAD bd 12's (fs of 28hz) (I wanted an enclosure that complimented the low end)..The enclosure ended up being 5.0 cubic feet after displacements tuned to 26hz (confirmed with an IM-SG1). The original build was this enclosure with the two DAD bd 12's on their own Skar audio 1500's at 1 ohm...It played VERY flat with a peak of 145.5 db at 31-33hz with the mic on the dash and driver side door open (termlab) and also a 137.7db at 17hz....I also clamped 1800 watts coming from the pair of 1500's... I had purchased four powerbass XTA 6000D's just for the hell of it and out of curiousity put one on the two DAD bd 12's at 0.5 ohms....Sounded to me like a 150+ at around 30hz...although the drivers didn't last long on that power (DAD bd's have two spiders total and are spaced apart...Here is a video of what it did on the 6k though... http://www.youtube.com/watch?v=ZUHmK_1ZTXQ A few months back I picked up a pair of Pierce Audio 1k 12's (fs of 37hz) for a client who wanted a build....I tossed em in this enclosure on a rockford 1500 bcp at 1 ohm just to break them in and did a 144.8 at 31-33hz on music (mic was in the same confirguarion as last time). The Pierces sounded good in this enclosure but definitely lacked the low end performance that the DAD's had....I wanted to demonstrate what two 12's can do at 20-30hz in the proper enclosure at this upcoming show, but the current subs wern't gonna cut it.. So I did a little bit of digging and ended up talking to Bryan Chamberlein from Sundown and told me had a pair of sundown X 12's that were there chilling at Sundown HQ and had some coil rub from testing. He agreed that he would recone them both for me with production soft parts and a deal was made. I am the proud owner of a pair of Sundown X 12's, he told me I will have em' before the show so now I just need to play the waiting game... The enclosure was temporarily sold in between set ups and was butched by the temporary owner and I bought it back from him at a reduced price...The enclosure is going to get a makeover and some threaded rod to add some support because I am going to invert the subs which will put quite a bit of weight on the front baffle (front baffle is a doubled up with 3/4" mdf too). The set up will be the pair of x 12's (dual 2 ohm coils) each wired to their own rf 1500 bdcp at 1 ohm. I am very excited to see this enclosure sounds with a pair of subs that are made for low end extension. Sorry about the rant, will upload pics and vids as stuff comes along. The enlcosure needs quite a bit of work done on it so posting this will give me some motivation to get work done (;