Infinity 1260/1262 information QA and build link thread - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 576 Old 02-11-2016, 06:59 PM - Thread Starter
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Infinity 1260/1262 information QA and build link thread

Infinity 1260 or 1262 subs which one to buy and why?
Placement: Nearfield, All 4 courners of room, A wall of them...
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The infinity sub lately has become pretty popular on the fourm so I thought it would be nice to have a thread with a bunch of build threads linked and pictures of the subs. After reading many threads on this fourm as I do everyday There still seems to be alot of qeuestion's about each model and how there different and how much power they can handel. I hope this thread will help explain the Infinity 1260 and 1262 sub and show how some of us have used them and wired them, plus there box size, how they were stuffed, ported boxes, sealed boxes and what amps we use to power these bad boys.
I'll be adding wiring diagrams on each model from the12volt.com and also link differnt builds using these subs. I hope everyone can help out and add there experance and comment to this thread to help out others that are intrested in buying and building cabinets for these subs.
The reason why I picked the infinity sub to go with in my room was because of the cost of these at 50$ each the small box size @ 1.25 cubic ft. each. One of the popular websites you can buy these off of is sonicelectronics.com right now a pair (2) 1262 s is a 100$ and the 1260's are 140$ for a pair of them. Please note that if you call them on
the phone and ask for the pair of 1260's to be lowered to 100$ they will do that as of yesterday when I ordered 4 more for my room.
I'm going to try and list as many infinity builds as I remember so if I missed anyone please post and tell what you think of these and how you use these in your room.
I'm going to reserve the first few post and add build links to them.


In my room I started out with the Stereo Integrity HT-18 subs in 44/40/20 inch slot ported boxes powered by two Inuke 6,000 DSP amps for the subs. But after a few months this wasn't cutting it for me. I was looking for something more in bass that would make me feel like I was right there in the movie. So after some searches and threads came up I started to see a few other avs friends on here building these Infinity 1260 subs and saying they were placing them nearfield. So I started sending PM's out to these guys and following there threads. I thought to myself man I would love to have that realistic feeling when there's a gun fight or explosion in a movie to make it feel like your right there in the movie. So after a lot of thinking and asking questions I started my infinity build. I bought 4 of the 1262's for 200$ and a Inuke 3,000dsp amp. Let me tell you I'm really happy I did that!!!
Now that everything is up in running the entire Theater Room experience has changed into a fun almost realistic experience when movies are playing. When Underworld Awakening is playing with big gun fight at the end you feel every gun shot in your back. Then there's the movie clips that have the big explosions that go into low bass scenes were the riser, chair and your body just shakes like crazy. There's so many fun clips that bring smiles on every ones face who sits in the seats. For the cost of these subs you can't go wrong. I know these aren't the best subs on the market for sale but at 50$ each you can really bring a lot of enjoyment to your room. I just bought 4 more infinity subs and a new amp so I'll be able to have 8 subs firing into the back of the seats. That's going to be fun! What great budget sub!!!


Just a quick chart for the subs when teamed up to an Inuke 3,000 dsp amp on 1 channel. If you have 4 use 2 on each channel of your Inuke amp. The dsp works great no need to buy anything else to eq these.

2-1262 subs will be wired at 4 ohms which will have the inuke push 880 watts to both of them.


2-1260 subs will be wired at 2 or 8 ohms and at 2 ohms your inuke amp will push two of these at 1,500 watts. Please set your limiter and high pass on the inuke if you go this route so you don't cause any damage to your sub!


Mike

Last edited by eng-399; 02-13-2016 at 07:52 AM.
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post #2 of 576 Old 02-11-2016, 07:00 PM - Thread Starter
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post #3 of 576 Old 02-11-2016, 07:00 PM - Thread Starter
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Infinity 1260/1262 information QA and build link thread

How to wire these subs...
The infinity 1260 sub

As you notice the the 1260 can be wired two ways 4 ohms and 8 ohms which is great with the inuke 3,000 dsp amp

Now for the 1262 sub. There's only one way to wire two of these.


Last edited by eng-399; 02-12-2016 at 10:25 PM.
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post #4 of 576 Old 02-11-2016, 07:27 PM - Thread Starter
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Infinity 1260/1262 information QA and build link thread

What I used for the infinitys subs was 4-1262's. I have two sets of these hooked up at 4 ohms to a and b on the inuke 3,000 dsp amp. The box has its own chamber that is 1.83 cubic ft each. I stuffed the box with wool insulation as well. The inuke pretty much uses every last watt to push these and I never feel like I'm going to blow these and theres still is more room left on the table. I'm not sure if that's a good thing or not maybe I should of went the 1260 route so I can throw more power at them...

So I ordered 4 of the 1260's yesterday and going to run these at 2 ohms and see what the difference is between each model. I wonder how much more db these will go by throwing more juice at them? I'll soon find out and post.

Update here's 8 of the infinitys behind the seats now and two inuke 3,000dsp amps power these.

Last edited by eng-399; 03-28-2016 at 03:21 PM.
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post #5 of 576 Old 02-11-2016, 09:38 PM
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Here's another: Yet another Infinity 1260 build
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post #6 of 576 Old 02-12-2016, 12:08 AM
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I'll throw mine up, I have since finished and edited this post. I'm using 4x1260's in a 66" W x 24" H x 8" D box. Each sub has it's on sealed compartment. Using one channel of an iNuke6000DSP to power them. I have one Speakon going into the box and the subs wired internally.



Beginning assembly after cutting wood. Each sub has it's own 1.24 cubic foot container.


Putting the front on the box


Used router to cut holes in box and smooth out edges. And then lots of sanding.


Ready for paint


First a coat of primer


Then Duratex!


Finish looks solid


Feet Installed!


Test Fitting subs and drilling holes for screws


Wiring and stuffing done


Final assembly upstairs, near its permanent home!


After some brief testing, it found it's home!


Couch pulled away a little, this thing rocks!


Video of the subs:
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Last edited by Raylon; 02-20-2016 at 05:42 PM.
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post #7 of 576 Old 02-12-2016, 07:14 AM
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great idea!!!
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post #8 of 576 Old 02-12-2016, 08:24 AM - Thread Starter
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Quote:
Originally Posted by chadsmith013 View Post
great idea!!!
Thanks the idea of this is that anyone looking into having these subs and the entire setup from making the box to what amp to use can use can use this thread to help them and maybe be able ask questions about it. I think it's easier to have all the threads linked on one thread for guys to go through instead of searching for hours to find something. This is the peoples thread like the Rock would say. lol
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post #9 of 576 Old 02-12-2016, 08:38 AM
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Did you guys do sealed behind the couch for a sound reason or for space reasons?
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post #10 of 576 Old 02-12-2016, 08:42 AM - Thread Starter
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Quote:
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Did you guys do sealed behind the couch for a sound reason or for space reasons?

I personally used a sealed box behind my seats because of not having much room back there and the size of box that these subs need to be in fit my space perfect. Let's see what everyone else thinks to.
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post #11 of 576 Old 02-12-2016, 11:28 AM
 
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I have some stuff I could post.

I did several of these for friends.
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post #12 of 576 Old 02-12-2016, 11:47 AM - Thread Starter
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I have some stuff I could post.

I did several of these for friends.

Please post it mike
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post #13 of 576 Old 02-12-2016, 12:24 PM
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cant forget about this one...its full of information and was a great build to follow I think. Brian did a great job on this one.

Cheap and Easy - Dual sealed Infinity 1262w's using DIYsoundgroup flat packs
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post #14 of 576 Old 02-12-2016, 12:26 PM
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Here is a preview picture of my 1260w build. It's 47.5x23.75x13, and I'm building two of them Each box will hold two subs and also act as a speaker stan I build all of my speakers with my Wife, and right now she is out of town so the project is on hold.
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post #15 of 576 Old 02-12-2016, 12:46 PM
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Great idea on the thread.
Two weeks ago, I came across a garage sale down the street and managed to score dual Infinity's in a box for a whopping $30!
One 1260w driver and the other is an older 1250w with similar enough specs. Each driver is in a 1.4cu chamber. All I did was add some polyfill and hooked them up to a cheapo Boston Acoustic 100w rms plate amplifier.



This setup is in our family room (11.5'x17x8') with a 3' doorway opening on one side. The sub is against the wall, directly behind our couch. With a measly 50w/ch and a rumble filter centered around 30hz (hence the steep roll-off) they'll almost do 110db with 18%thd. The dip at 50hz is a null caused by the room/placement.




With a cheapo Denon AVR891 + Overnight Sensation MTM's and these cheapo Infinity's, -10MV below reference carries low distortion (11% @ 25hz, 3.13% @ 258hz) and sounds great for TV/Netflix use.

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post #16 of 576 Old 02-12-2016, 08:38 PM
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I built a dual opposed Infinity 1262w with a Yung 300-6 amp. Dimensions were 17 by 24 by 24

http://www.avsforum.com/forum/attach...2&d=1425841193

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post #17 of 576 Old 02-12-2016, 09:07 PM
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Quote:
Originally Posted by Richard Cohen View Post
I built a dual opposed Infinity 1262w with a Yung 300-6 amp. Dimensions were 17 by 24 by 24

http://www.avsforum.com/forum/attach...2&d=1425841193
Do you have any details on that build? My buddy would love to have something like that, and I would be willing to build it for him. Do you have any dimensions, etc?
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post #18 of 576 Old 02-12-2016, 09:17 PM
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post #19 of 576 Old 02-12-2016, 09:55 PM
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Here is some more info. It was built with 3/4" plywood with final external dimension of 17" wide 24" deep and 24" high.

The speaker walls were double thickness on both ends.

These pictures will give you more details
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post #20 of 576 Old 02-12-2016, 10:56 PM
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Don't forget this one:

18Hz Infinity Offset Horn Tower

Also, it might be helpful to sort them by sealed, ported, horn...etc.
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post #21 of 576 Old 02-12-2016, 11:01 PM - Thread Starter
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Don't forget this one:

18Hz Infinity Offset Horn Tower

Also, it might be helpful to sort them by sealed, ported, horn...etc.

Great idea I'll start to go through each one and sort them out and mark each build like your saying sealed, ported, horn.
Thanks Mike
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post #22 of 576 Old 02-13-2016, 04:27 AM
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There is also this horn. "The Sublimator" An Infinity 1260w 18hz Tuned Offset Driver Folded Horn.

I wonder if @ BillFitzmaurice can tell us whether any of his designs work with it.

Edit to try to get the right mention.

Last edited by chadamir; 02-13-2016 at 04:34 AM.
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post #23 of 576 Old 02-13-2016, 07:48 AM
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Here are a few pics and details from my nearfield wall ideas and help thread. My setup is (8) 1260's, (2) per cabinet, (4) per channel on an nu6000dsp. I wired two drivers in each cabinet in series for an 8ohm load and then wired two cabinets in parallel for a 4ohm final load. Feel free to use any info/pics/etc. from my thread you like @eng-399 .
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post #24 of 576 Old 02-13-2016, 08:56 AM
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Quote:
Originally Posted by Richard Cohen View Post
Here is some more info. It was built with 3/4" plywood with final external dimension of 17" wide 24" deep and 24" high.

The speaker wall were double thickness on both ends.

These pictures will give you more details
Thank you.

It looks great.
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post #25 of 576 Old 02-13-2016, 05:31 PM
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These Infinity drivers are really underrated! I am boosting the low end on them and running them hot without any issue. I started out with four 1260w's with an NU3000dsp driving them at a 2ohm load per channel. As with everybody else, I got the MOAR bass bug and added four more so that every seat in my theater has two 12" drivers pounding in the back of them. I low pass them around 60 or 80hz so that I can't localize the bass and so that they blend seamlessly with the other subs in my theater which are four SI HT18's. The funny thing is that I haven't even thought about adding more subs in about a years time now. I am super happy with how my theater sounds, and being on the second floor in my house with the 1260w's nearfield, it's a fun ride for my self and anybody that comes over for a demo.

This is when I started out with four of them.


Then added four more for eight.

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post #26 of 576 Old 02-13-2016, 06:34 PM
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Quote:
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This post will be all the builds and talk about the infitity's



]
This is a really great post. Thanks for putting this time in.
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post #27 of 576 Old 02-13-2016, 06:44 PM
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Quote:
Originally Posted by chadamir View Post
Here is a preview picture of my 1260w build. It's 47.5x23.75x13, and I'm building two of them Each box will hold two subs and also act as a speaker stan I build all of my speakers with my Wife, and right now she is out of town so the project is on hold.
More details please.
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post #28 of 576 Old 02-13-2016, 06:55 PM
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More details please.
Not much to tell at the moment. Should net out to at least 6 cu ft. Tuning will end up at around 23.5 hz or less.
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post #29 of 576 Old 02-13-2016, 07:12 PM
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Here's the little sub I put together for my home office..... A 1260, in a 2 cubic foot ported box, powered by a Dayton Audio 250 watt plate amp. I was extremely impressed with its performance for its size. Bass is strong and very well defined.

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post #30 of 576 Old 02-14-2016, 08:06 AM
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This thread was a fantastic idea! I'd like to make a suggestion though. Would it be possible for the individual builds to list the use and tune?
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