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Paradigm Sub 2 Clone? - Page 2

post #31 of 42
Thread Starter 
Quote:
Originally Posted by TimVG View Post

I'm now powering my clone with another clone, an FP14000+. The iNuke provided way too little power to drive this sub. It works great now, with usable response well into the single digits (with a 12hz/24db HPF) and enough reserve to play even the heaviest of bass flicks with -10 on the receiver. As I also have a captivator S2 on order, it'll be fun to compare and later integrate both in my setup.

It's nice to see that someone actually built my crazy idea. Where did you get the cabinet built?

Also, how does the FP14000+ compare with the iNuke? Can you hear a considerable difference? Are you running the FP14000+ from a dedicated 20a circuit?

I now have a pair of LMS 5400 in two separate enclosures, but I'd like to one day have something built like yours. It just looks so unique.
post #32 of 42
"Why not just build a tapped horn and make the Sub 2 cry like a little girl?"

each design has pluses and minuses. tapped horns tend to be larger and dropoff below tuning. sealed are smaller, but are less efficient and so require more power, are more expensive, but can hit the lower notes. each person may have a different set of limitations, hence all the different designs.

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btw, nice work tim!

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yeln, the inuke6000 is really more like 3000 and it can't be bridged, so that might figure into your calcs. the clone amp is much more powerful and why it costs a ton more money when not purchased on the grey market.
post #33 of 42
Quote:
Originally Posted by JimWilson View Post

That is one really nice looking sub.

Thank you!

Quote:
Originally Posted by Jay1 View Post

Very nice! Audioholics just recently reviewed the Sub 2, here's something you can compare your sub to



http://www.audioholics.com/reviews/s...sub-2-analysis

That's what I modelled my own curve after, I used a 12hz/24db HPF.. I'm getting response to 4 hz (at-10db)

Quote:
Originally Posted by tsloms View Post

That's some pretty heavy compression at reasonably low levels!

That's physics.. Even if you look at the best 18" driver out there, it will not give you much more than 95db @ 10hz, and if you build in a flat curve that's very near that 10hz, then you simply need a limiter/compressor for large rooms. It's the one thing that's lacking in minidsp imo. I don't have any room gain at the main listening position between 10 and 25hz, but I seem to be fine, I usually watch movies between -16 and -10, yesterday I watched some scenes from Hulk and X-men FC at -10 to -6, and I could not detect any audible distortion.

Quote:
Originally Posted by poormanq45 View Post

Why not just build a tapped horn and make the Sub 2 cry like a little girl?

This was never a bang for the buck project I wanted something more unique, in a small footprint while maintaining excellent performance. It simply doesn't look large, in fact, the SVS PB12+ that was here before looked much larger. Plus I can do the nickle balancing trick on this one

Quote:
Originally Posted by yelnatsch517 View Post

It's nice to see that someone actually built my crazy idea. Where did you get the cabinet built?

Also, how does the FP14000+ compare with the iNuke? Can you hear a considerable difference? Are you running the FP14000+ from a dedicated 20a circuit?

I now have a pair of LMS 5400 in two separate enclosures, but I'd like to one day have something built like yours. It just looks so unique.

I used a custom builder from Holland (I live in Belgium) for the cabinet, I don't have the skills nor the tools to do a good job

The FP14000+ completely blows away the iNuke, this sub takes gobs of power and the iNuke simply couldn't deliver. I've read contradicting articles about it's performance, and while easy to use with some great features I would not call the iNuke a powerhouse. I'm running the amp of a shared 220v 16a line, so far so good The drivers of the sub are supposed to take 500 watts each, 3000 watt total. But in peak performance, I have read, and tend to agree, It will be closer to 6000 watt total. There is definitely a reason paradigm uses an amp as heavy as they do.

I think it should perform very similar to one LMS, beware though, this sub needs a big amp and a linkwitz transform to compensate the very sharp natural rolloff. But it does look cool

Quote:
Originally Posted by LTD02 View Post

"Why not just build a tapped horn and make the Sub 2 cry like a little girl?"

each design has pluses and minuses. tapped horns tend to be larger and dropoff below tuning. sealed are smaller, but are less efficient and so require more power, are more expensive, but can hit the lower notes. each person may have a different set of limitations, hence all the different designs.

--------

btw, nice work tim!

--------

yeln, the inuke6000 is really more like 3000 and it can't be bridged, so that might figure into your calcs. the clone amp is much more powerful and why it costs a ton more money when not purchased on the grey market.

Thanks LTD02! I agree with everything you've said. after using the FP14000+, I don't think the iNuke 6000 would have cut it either. This sub simply takes too much power.
post #34 of 42
Quote:
Originally Posted by TimVG View Post

This was never a bang for the buck project I wanted something more unique, in a small footprint while maintaining excellent performance. It simply doesn't look large, in fact, the SVS PB12+ that was here before looked much larger. Plus I can do the nickle balancing trick on this one

Makes sense. You have come away with an awesome sub!

I have the luxury of low WAF being acceptable due to an excessive amount of space and her love of action movies.
post #35 of 42
Quote:
Originally Posted by poormanq45 View Post

Makes sense. You have come away with an awesome sub!

I have the luxury of low WAF being acceptable due to an excessive amount of space and her love of action movies.

Thanks! What TH are you running? DTS-10?

BTW, I've switched to a 16hz/12db HFP, I was doing some torture testing, and with the 12hz/24db filtering I was getting a bit of audible distortion in some parts of HTTYD (at -6). With the new filter I'm not losing any audible or visceral performance, but the distortion is gone. Probably a bit too much energy between 12-20hz.
post #36 of 42
Quote:
Originally Posted by TimVG View Post

Thanks! What TH are you running? DTS-10?

None currently. I've been thinking about using a pair of db500 12" drivers that I have in one. That'd make a little bit of noise with just a few watts.


Quote:
Originally Posted by TimVG View Post

BTW, I've switched to a 16hz/12db HFP, I was doing some torture testing, and with the 12hz/24db filtering I was getting a bit of audible distortion in some parts of HTTYD (at -6). With the new filter I'm not losing any audible or visceral performance, but the distortion is gone. Probably a bit too much energy between 12-20hz.

What are your main speakers? Are they able to keep up with the sub or are you running it hot?
post #37 of 42
Quote:
Originally Posted by poormanq45 View Post

None currently. I've been thinking about using a pair of db500 12" drivers that I have in one. That'd make a little bit of noise with just a few watts.

That would be a cool project!


Quote:
Originally Posted by poormanq45 View Post

What are your main speakers? Are they able to keep up with the sub or are you running it hot?

Simple bookshelves with a 5" mid/bass unit and a compression tweeter, older speakers from castle acoustics that I refurbished. I bought two pair for about $200, put in another $100 or so for recone kits, sandpaper, paste, glue, paint.. They work great now though, they can more than keep up and sound quite nice with a bit of EQ. So good in fact that I'm not upgrading them in this room
post #38 of 42
Sorry to resurrect this thread, but I am considering doing something similar. I am a total novice when it comes to subs, but had several questions:
Would it benefit to use servos in this arrangement?
Also what about a mix of active and passive radiators - would they work?
post #39 of 42
This is a cool build. I wonder how 6 of something like this http://www.parts-express.com/pe/showdetl.cfm?partnumber=269-529 would be in a hexagonal design like this, would be cheap only 400 bucks for the 6 drivers.
post #40 of 42
Quote:
Would it benefit to use servos in this arrangement?

I dont see why/how it would. I'm not a fan of Servo, it's just a fancy limiter.

Quote:
Also what about a mix of active and passive radiators - would they work?

That could potentially be used to give you extension down to a certain point without relying on EQ, so less compression, but you would only be as capable the overall design allows, depending on the drivers and PRs in question.
post #41 of 42
So how do you wire these drivers up for a single amp? If you were going to try and use something like a CV-5000, would you bridge it or run half the subs off one channel and half off the other?
post #42 of 42
with 6 tc sounds you could just wire the VCs in parallel so each driver is 1 ohm. Then run 6 ohm bridged or 3 ohm stereo.

Or if you have 6 drivers 4 ohm each you could wire 2 each in parallel for 2 ohms x 3 so 6 ohm bridge mono
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