General Audio

I've seen a lot of topics about resistance so i decided to make topic about this to clear things up. There are 3 ways how to run your dual coil sub. 1) Series connection: you will wire your sub in series. If you connect in series you add resistance. 1+1=2 ohms 2+2=4 ohms 4+4=8 ohms 2) Parallel connection: Hook up your sub in parallel. Making your resistance lower. 1/1+1/1+1/2 = 0.5 ohms 1/2+1/2+1/1 = 1 ohm 1/4+1/4+1/0.5 = 2 ohms 3) Or you can run dual channel amp, 1 coil to 1 channel. Or run 2 amps one amp to one channel. I actually don't recommend this connection, because coils have to be powered equally, you need to make really accurate settings. Hope that this helps yo…

Hello all, i have a large project on my hands. I've been commisioned(somewhat) to build a box for a 12" Orion H2. Now, the box is gonna be 2.5 cubes tuned to 32 hz. Now, for those of you who own mustangs, you know how small the trunk opening is(this kid has a mustang cobra, not the newest body style, but one from probably the late '90s) and i just need all the tips i can get on putting this box in. Most likely i'm going to have to build it IN the trunk, so any tips will be greatly appreciated. Unless you guys know of another way to get a box big enough in there. Also, i may have to hook up all the stuff for his amp. Any help there would also be appreciated(hole locati…

So this guy mentions he has been using it for 3 years of something... just looked them up... Ever heard of these guys?? http://www.optionaudio.com/index.php

Where shall I start?

Hello Everyone i just got on this forum today after ordering my BTL18 on friday. I just have a few questions...i wanted to know about how long after i place an order should i receive and shipping dates or the spesker itself and also. I started build a box and i dont know what size to cut the wood for the vent. If anyone can help please let me know. Due the type of car i have i have to makes the box thin and long with the speaker facing upwards and the magnet towards the ground. The boxes overall hieght legnth and depth is: H - 11 - L - 39 - D - 20. If you want exact messurements here they are. Dimensions: 39x19 <--top and bottom where the speaker would be ont the top. …

I just hooked up two 12" dual 2 ohm Ascendant Audio Havocs powered by a sundown audion saz -2500 amplifier in my 2004 dodge ram quad quab in a bassforms box. Before this i had two 12 inch kicker cvr powered by a cheap 2500 watt ssl amp. The problem im having is first i think one of the subs is busted, it sounds like a voice coil it rattles as if its not tight until you hold the sub down, when you push on the dust cap off it it rattles profusely so i think i may need to send it back. My second problem is my setup is no louder then it was before. i mean its loud but i expected it to be a decent level louder then it was. I have my subs hooked up to produce a 1 ohm load. My …

Hey guys, its been 4 or 5 years since iv been on here! Anyways a buddy gave me a few amps and this is one. It says its made by automotive electronics product group T 50.2 the hott set up. Cant find anything about it online or what it might be worth. Any knowledge would help! Wont let me upload a picture for whatever reason

Hi,can someone tell me if equalization can go bad in car cd receiver. I no longer have any crisp highs and midrange.I checked all my connections and even went and purchased new jbl 6x9 and still no highs.Could this be my stereo,thanks!

Sealed my box with resin, waited 5 days before I mounted my sub and put the box in my trunk, got in the car the next day and could smell the resin. It wasn't super strong but I could definitely smell it. can the fumes damage my sub? Is the fact that I can still smell it a sign I didn't mix the resin and hardener correctly? It has been cold lately so maybe it isn't curing properly? Should I be concerned?

I currently have an iPhone and eventually I'm going to ditch it for something else. I'm undecided at the moment as to what I want to actually get, but its probably going to be a Samsung or Sony Ericsson music phone. ANYWAYS I have a DEH-P600UB and it has a USB cable, with an iPod cable in-line with it. I hook up my iPhone to the iPod cable and I control all my music from the head unit. What I'm wondering is if anyone else has tried this with a phone other than an iPhone and has been able to control their music through their head unit. I don't want to use the AUX port, I didn't even bother hooking up a cable to it. You all probably know what I mean just from the title but…

My friend has an 04 infiniti fx 35 and wanted to know if it is possible for him to keep his stock radio which Is a bose system on a stock 300 watt amp and just change the sub, is this possible or will he have to change out the amp too? Is it that easy, can he just replace both the amp and sub and keep the same radio? he is just looking for more bass to add to his system. I believe it has 11 speakers and 2 subs.

I'm not sure.....and um...i used a jigsaw so there a some minor gaps ..what type of silicon do i use..thanks..

I ask because i dont have heavy basd till volume 20-23/25max Gain is 24v at volume 25 I may try it out because i have s clipping indicator

Anyone have the Pioneer 3200BT HU? I have had mine for over a year now and I just recently bought the aux in/usb cable to play video from my ipod. Except there is one problem. . . I can't figure out how to get video to play on the HU, I have looked on the unit manual online and the video portion appears to be for a 3200DVD and when I am just using my Ipod it will play the music video's, but once I plug it into my HU I can get audio but no video. Anyone know how to fix this?

Could someone check and make sure this is right for me?: 39.5 x 21x 20.25 box (outer dimensions, i'm using .75" mdf) 4.5 x 19.5 port (10.57 in. diameter, if you need it) 24 inch port length i got just a little below 33 hz. I just don't want to find out it's wrong after i make the cuts and all. Thanks a lot

http://sketchup.google.com/3dwarehouse/details?mid=7759f9f654d476def4e0aa63f8d34904 What kind of application could this be used for? lolwut

Trae - I want to get high So far it seems to be the hardest hitting song. It hits REAL HARD. My voltage actually drops below 13.8... I'm wondering what the bass Hz range is, and if there are any songs similar to it? http://www.youtube.com/watch?v=D95U9jDg4uI Thanks.

Small trunk acura integra coupe, (wish hatch, but anyways) for 1 15" Nightshade Total trunk= around 11 cubic feet Height= 14 inches Width= 25 Opening= 15 inches Wheel Well Area to back of trunk= 10 inches Depth= 20 inches

i just downloaded winisd so i can model my ssd15 in a new enclosure to see the difference between the current 2.5cuft and the new 4cuft bow im planning on building. where do i find the Pe,Le,Z,dia? i have the other numbers off of the fi website but i believe i need these for it to work correctly... i would greatly appreciate any help.

i went to my local car audio shop today and they had a good deal on this beefy 15 inch sub. its a razor zsoft. the guy who owns the shop gets em built i've heard. anyways..the sub says its a 4ohm. what kind of amp do i need to get this thing seeing atleast 400 rms. if anyone can toss a link i'd appreciate it because im ready to order an amp right now. i have an ebay account so if you can find me something like autotek or hifonics on there i'd like that..those amps sound okay and dont cost alot.

Hello everyone, I am designing my own box and was hoping someone could review it. Goal was no smaller than 4 cu ft. Its an 18" Treo SSX rebuilt by PSI. Treo recommended 50cu in. of port, BUT i told them I was using aero ports and they still recommended the same..? I was always under the impression they didnt need as much port? This design is 1x 8" port = 50 cu in. I can't figure out another configuration to hit 40 cu in, if 50 is to much. Tuned to about 35hz. (see attached) Any help is appreciated Sketchup for box.skp

Just wondering because I can't find a metering place around me and I an just curious as to what numbers I'd hit with my set up.

I have the least amount of knowledge when it comes to car audio systems, and that is why I have to ask you the following 4 questions. I would GREATLY appreciate any answers. 1) I just want to replace the speakers with better ones as I don’t want to drill holes in the door panel for tweeters. Does that mean that I have to buy “coaxial” speakers, instead of “component” speakers? 2)Assume that the price for the following 4 brands are the same . What brand would you choose? MB Quart, Polk Audio, Alpine, JBL 3) Whichever brand you just chose from above, can you please recommend your model preference? MB Quart - Discus 2-Way Car Speakers with Mica-Filled Poly Con…

is there anyone here that bulid boxes?

Well, I Pmed jack frost the other night asking him about home audio. I don't know hardly anything about it other than Klipsch speakers are very good. I myself have klipsch 5.1's for my computer and my dad has about 6 klipsch speakers in the house. Well I was wanting to know what's good to buy for a 5.1 setup? I'm not really wanting a 2.1 setup just because I want full surround, I like how my dads setup sounds. but I know you guys are gonna love these pics, especially you jack. I didn't even know I all ready had heresy's!!!!! Here is my dad's receiver. It's a sony of somekind. this is a shot of the Cornwalls, these things sound amazing. here is proof here'…