or Connect
AVS › AVS Forum › Audio › DIY Speakers and Subs › Diy sub to match hsu vtf15 ?
New Posts  All Forums:Forum Nav:

Diy sub to match hsu vtf15 ? - Page 2

post #31 of 89
Thread Starter 
Quote:
Originally Posted by LTD02 View Post

i'm sorry, that was a brain fart. the dual 4 ohm driver would be wired in parallel for a net of 2 ohms. that would be connected to one channel of the inuke3000dsp for 1100 watts (the manual says 1520 watts, but that is high).

the other channel would be left empty as the upgrade path.

wiring a driver in parallel is easy. one wire to connect red + to red +, another wire to connect black - to black -.

your amplifier will then hook up to one set of connectors, again red + from amp to red + on sub, and black - on amp to black - on sub.

so after it is all said and done, all the reds will be connected and all the blacks will be connected.

Ok ... order one d4 and then wire parallel.

My emotiva umc200 preamp only has one sub out. How do I hook up hsu sub and si sub that has seperate amp to my emotiva preamp ? Should I just sell the hsu sub since it can't keep up with marty monster ?

Gear mentioned in this thread:

post #32 of 89
Quote:
Originally Posted by chalugadp View Post

Ok ... order one d4 and then wire parallel.

My emotiva umc200 preamp only has one sub out. How do I hook up hsu sub and si sub that has seperate amp to my emotiva preamp ? Should I just sell the hsu sub since it can't keep up with marty monster ?

use a Y splitter to split your RCA output....
post #33 of 89
Thread Starter 
Quote:
Originally Posted by wormraper View Post

use a Y splitter to split your RCA output....

If my umc200 had peq for my sub already then I could buy the inuke without dsp and save 100 bucks ?
post #34 of 89
Quote:
Originally Posted by chalugadp View Post

If my umc200 had peq for my sub already then I could buy the inuke without dsp and save 100 bucks ?

not if it doesn't have an adjustable high pass filter for the sub .. that's another main reason for the dsp (unless you wanna buy a minidsp which is much better IMO)
post #35 of 89
Thread Starter 
Quote:
Originally Posted by wormraper View Post

not if it doesn't have an adjustable high pass filter for the sub .. that's another main reason for the dsp (unless you wanna buy a minidsp which is much better IMO)

The umc has adjustable high pass filter in 5 hz increments. Only downside is that it has 3 peq bands compared to the inuke's eight. Are five extra bands worth 100 bucks... not sure.
post #36 of 89
is that high pass for the subwoofer's bottom end or the bottom end of the mains which highpass to the subwoofer?

very different things.
post #37 of 89
Quote:
Originally Posted by LTD02 View Post

is that high pass for the subwoofer's bottom end or the bottom end of the mains which highpass to the subwoofer?

very different things.

bingo
post #38 of 89
Quote:
Originally Posted by chalugadp View Post

I have one hsu vtf15 in a 5.1 system in a room that is 14 x 18. The bass from 30 hz up is very good but 18-30 I want better. Ideally I would.buy a.second hsu sub but don't want to spend 1k right now. What would.be a good diy option to match hsu for 500-700 ? Is there one or am I better to just live with one sub for now ?

Just compare the blue lines on

http://www.data-bass.com/data?page=system&id=100&mset=111

versus

http://www.data-bass.com/data?page=system&id=90&mset=97

I think the second one wins...
post #39 of 89
Quote:
Originally Posted by arnyk View Post

Just compare the blue lines on

http://www.data-bass.com/data?page=system&id=100&mset=111

versus

http://www.data-bass.com/data?page=system&id=90&mset=97

I think the second one wins...

Looks like the HSU with one port is a little stronger down low than the SI if you compare the two
post #40 of 89
it's not even close. what data are you looking at???

"I think the second one wins..."

arny has it right and that is about what I would have guessed....the si kills it.

"Looks like the HSU with one port is a little stronger down low than the SI if you compare the two"

i'm sorry. you may be new. the hsu in ported configuration may give more spl vs the si sealed. the sub in question is a large low tuned ported design that will kill the hsu.
post #41 of 89
Quote:
Originally Posted by LTD02 View Post

it's not even close. what data are you looking at???

"I think the second one wins..."

arny has it right and that is about what I would have guessed....the si kills it.

"Looks like the HSU with one port is a little stronger down low than the SI if you compare the two"

i'm sorry. you may be new. the hsu in ported configuration may give more spl vs the si sealed. the sub in question is a large low tuned ported design that will kill the hsu.

My fault, forgot the OP was thinking about doing a ported version of it. Im in the process of searching for a sealed system to build so maybe I lost track
post #42 of 89
Thread Starter 
Quote:
Originally Posted by LTD02 View Post

is that high pass for the subwoofer's bottom end or the bottom end of the mains which highpass to the subwoofer?

very different things.
Highpass for,sub. Umc can set crossover for each speaker .I know what hpf , lpf , and lfe are. But I'm learning tonnes about subs !
post #43 of 89
What's the bottom end of of the hpf on the emotiva?
post #44 of 89
"My fault, forgot the OP was thinking about doing a ported version of it. Im in the process of searching for a sealed system to build so maybe I lost track..."

no worries!

you should have a look at the marty sub too. :-)~ it's big, but a relatively easy build concept and really maximizes both driver and amp bang for the buck.
post #45 of 89
I don't think that it has a high pass for the subwoofer as that would be extremely weird.

http://shop.emotiva.com/collections/ultra-series/products/umc200

"Flexible quadruple bass management, with 12dB or 24 dB per octave crossover filters, configurable in precise 5 Hz steps below 80 Hz (and 10 Hz steps above 80 Hz), helps you get the best bass performance from virtually any room and subwoofer."

if you are referring to this, it is for the crossover point from the subwoofer to the mains.
post #46 of 89
What LTD02 said.
post #47 of 89
Thread Starter 
Quote:
Originally Posted by LTD02 View Post

I don't think that it has a high pass for the subwoofer as that would be extremely weird.

http://shop.emotiva.com/collections/ultra-series/products/umc200

"Flexible quadruple bass management, with 12dB or 24 dB per octave crossover filters, configurable in precise 5 Hz steps below 80 Hz (and 10 Hz steps above 80 Hz), helps you get the best bass performance from virtually any room and subwoofer."

if you are referring to this, it is for the crossover point from the subwoofer to the mains.

Ok I think. I get it now. I have what ltd pointed out. Does the hpf on the inuke only send power below your setting at say 90hz
post #48 of 89
more or less.

the high pass we are talking about is also called a "rumble filter" and is used to filter out super low frequencies such as those below 15hz. frequencies below the tuning point on a ported cab can damage the driver, so such a filter is also called a protective high pass filter.

the dsp version of the inuke has such a capability and it is built into most plate amps. if the amp does not have it built in, then it is a good idea to use an external solution, such as the mini-dsp, as worm suggested.
post #49 of 89
Your receiver or are pro can filter your sub from going over a certain point. The amp or dsp Takes care of the hpf (rumble filter)
post #50 of 89
Thread Starter 
I just ordered the SI 18 and my first diy journey has begun. I will have to wait a month to buy the inuke which gives me time to make the marty box/ coffee table.
THanks for everyones help, especially ltd. Once I build the box I will post pictures in the Marty thread.
post #51 of 89
^^ bravo!

more marty subs attack!

let's discuss the port to make sure that it will give as close to the tuning frequency that you want to target, as winisd overshoots the length for slot ports and we have learned some things in the past couple weeks to stuff into our brains. :-)

post #52 of 89
LTD02, can you share the link with that discussion on slot ports. Thanks.

-Nate
post #53 of 89
Your UMC-200 hase XLR Sub output on the back Above the RCA sub out.
Use it to drive the Inuke NOT! the RCA. it doesnt have enough to drive the inuke properly.
I just went down that road.
All you need is a XLR patch cable at what ever length you need.
You can get a XLR splitter to run both channels of the one patch cable. Its highly effective.

Go to any guitar store.
Or amazon.
Splitter
Patch cable
post #54 of 89
one place that we were discussing it is here: http://www.avsforum.com/t/1488182/which-would-be-better-for-ported/90#post_23724180

but as with most things ltd, the conversation was all over several different threads. :-)
post #55 of 89
and this link is a good resource that shows tuning goes even lower and the correction factor is even greater with stuffed subwoofers:

http://www.troelsgravesen.dk/vent_tuning.htm
post #56 of 89
Ah yes, thanks LTD.Yep, know what you mean now. I was aware of the end correction calculations...thought it was something else going on when I read "overshoots slot port length". cool.gif
post #57 of 89
Thread Starter 
Quote:
Originally Posted by ezdaar View Post

Your UMC-200 hase XLR Sub output on the back Above the RCA sub out.
Use it to drive the Inuke NOT! the RCA. it doesnt have enough to drive the inuke properly.
I just went down that road.
All you need is a XLR patch cable at what ever length you need.
You can get a XLR splitter to run both channels of the one patch cable. Its highly effective.

Go to any guitar store.
Or amazon.
Splitter
Patch cable

The umc xlr doesn't have enough of power ??? (Can you explain better since I am learning). So I go xlr out of inuke, then patch cable to rca of umc ?
post #58 of 89
Quote:
Originally Posted by chalugadp View Post

The umc xlr doesn't have enough of power ??? (Can you explain better since I am learning). So I go xlr out of inuke, then patch cable to rca of umc ?

he's talking about the RCA output on the UMC doesn't have the proper voltage to drive a pro level amplifier, the xlr output on it would
post #59 of 89
Thread Starter 
^^^ ok
post #60 of 89
Thread Starter 
So my hsu connects from rca to rca of my umc. If I add si sub it needs to connect from xlr of inuke to xlr of umc ? How do I run splitter when hsu uses rca and inuke uses xlr ?
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: DIY Speakers and Subs

Gear mentioned in this thread:

AVS › AVS Forum › Audio › DIY Speakers and Subs › Diy sub to match hsu vtf15 ?