Diy sub to match hsu vtf15 ? - Page 3 - AVS Forum
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post #61 of 89 Old 09-20-2013, 07:13 PM
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post #62 of 89 Old 09-20-2013, 07:35 PM - Thread Starter
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Quote:
Originally Posted by LTD02 View Post


Would it still run into problem of rca going to inuke from umc ? When I get the marty hooked up I might not.even need the hsu. We will see.
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post #63 of 89 Old 09-20-2013, 07:38 PM
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the output voltage on the umc is supposedly something like 4 volts which should be more than plenty to power an inuke to full tilt.

if you get it all set up and for some reason the voltage is not high enough, there are step up converters for something like $50 +/-. no biggie.

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post #64 of 89 Old 09-20-2013, 07:39 PM
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Just sell the hsu and use the funds to build a pair of si 18s. Will help smooth out the room nodes anyways
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post #65 of 89 Old 09-20-2013, 07:40 PM
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^^ great idea!

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post #66 of 89 Old 09-20-2013, 07:57 PM - Thread Starter
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Quote:
Originally Posted by wormraper View Post

Just sell the hsu and use the funds to build a pair of si 18s. Will help smooth out the room nodes anyways
I don't think I have room to put two four foot subs across the front and my tower speakers . Now if I build some seos tempest bookshelf speakers then I would biggrin.gif
You guys are going to get me.in trouble with my bank account wink.gif
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post #67 of 89 Old 09-20-2013, 08:03 PM
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Lol welcome to the club. My wallet hates me already
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post #68 of 89 Old 09-21-2013, 04:36 PM
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run your subs off the umc.

hook your HSU sub to the UMC Via RCA
Hook the UMC to the Inuke via XLR patch cable and splitter to run both channels on the Inuke.

like this your not dropping RCA voltage by splitting it to multiple subs and devices.
The more splitters you use the less voltage the Sub amp will see.
forcing you to up the gain in the UMC settings to compensate for the low voltage.

When I hooked my Inuke up to the RCA on my UMC via a rca splitter, its power output SUCKED.
Once I used the XLR cable and splitter I got full power from the Inuke.

Dont buy a stepup box if you dont need it. Which in your case, you do not.
Other Pre/Pro's that do not have a XLR sub out will need a stepup box to run Pro amps.
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post #69 of 89 Old 09-21-2013, 04:44 PM - Thread Starter
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^^^ THANKS ezdaar !
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post #70 of 89 Old 09-21-2013, 05:03 PM
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"Other Pre/Pro's that do not have a XLR sub out will need a stepup box to run Pro amps."

wo there. lots of avr's output plenty of voltage to run pro amps off rca outputs.

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post #71 of 89 Old 09-22-2013, 01:53 AM - Thread Starter
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Quote:
Originally Posted by ezdaar View Post

run your subs off the umc.hook your HSU sub to the UMC Via RCAHook the UMC to the Inuke via XLR patch cable and splitter to run both channels on the Inuke..

I thought if I put the inuke in bridge mode then I only.need one xlr cable ?

Ltd , to get the 1100 watts out of the inuke do I need one or two xlr cables ?

Will I need to set lpf and hpf on inuke for marty sub and if so at what numbers ?

Two steps forward and one.back for me. There is so much to learn.:screwy:
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post #72 of 89 Old 09-22-2013, 02:03 AM
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Quote:
Originally Posted by chalugadp View Post

I thought if I put the inuke in bridge mode then I only.need one xlr cable ?

Ltd , to get the 1100 watts out of the inuke do I need one or two xlr cables ?

Will I need to set lpf and hpf on inuke for marty sub and if so at what numbers ?

Two steps forward and one.back for me. There is so much to learn.:screwy:

always set the LPF (or almost always) on your receiver. set the HPF to whatever you want to tune the sub too (or one or two hz under to prevent damage to the driver). in the case of the marty sub the average tune is in the 16-17 hz range. thus you'd set the hpf around the 15 hz level for hpf. if you want to adjust the port in the marty sub it can be set to just about any tune you desire (and of course that comes with it's own advantages and disadvantages. ) in the case of the Inuke DSP models the lowest hpf is a 20 hz hpf and that's what you'd set it at
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post #73 of 89 Old 09-22-2013, 02:55 AM
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"I thought if I put the inuke in bridge mode then I only.need one xlr cable ?

Ltd , to get the 1100 watts out of the inuke do I need one or two xlr cables ?

Will I need to set lpf and hpf on inuke for marty sub and if so at what numbers ?

Two steps forward and one.back for me. There is so much to learn.:screwy"

don't have a heart attack. you're ok. :-)

continue to use the rca output from your avr just as you do now to your hsu.

use the xlr output from your avr to the input on the inuke. since you are running one sub in bridged mode, you only need one cable.

the low pass filter will be taken care of in your avr as that is what separates the bass out from your main speakers and creates the subwoofer output.

that signal will contain some frequencies that are extremely low and may damage your subwoofer, so a protective high pass can be set up in the inuke, but let's cross that bridge when we get to it. it won't be a big deal though, but there is a little tweak that we need to get right...

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post #74 of 89 Old 09-22-2013, 03:06 AM
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Isn't it kind of counter productive to build a very big subwoofer that is tuned under 17Hz and then high pass it at 20Hz. Maybe there is just too many marty sub threads going at the moment, for me to follow along, but it seems to me that an external DSP that can do filtering below 20Hz would be a better option than an Inuke DSP amp? Am I missing something?
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post #75 of 89 Old 09-22-2013, 03:23 AM
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"Isn't it kind of counter productive to build a very big subwoofer that is tuned under 17Hz and then high pass it at 20Hz. Maybe there is just too many marty sub threads going at the moment, for me to follow along, but it seems to me that an external DSP that can do filtering below 20Hz would be a better option than an Inuke DSP amp? Am I missing something?"

not sure why everybody is just confusing him. there is a workaround on the inuke to set the high pass filter to where you want.

http://www.avsforum.com/t/1461489/how-to-extend-the-high-pass-filter-below-20hz-in-dcx2496

i figured that we would cross that bridge when we get there.

another option is to just add regular old parametric eq with a center on 20hz. that provides much the same effect as using a lower high pass point.

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post #76 of 89 Old 09-22-2013, 03:34 AM
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Well I Am not everybody and I do not try to confuse anybody ;-) I am just asking since worm mentioned the minimum high pass in post #72
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post #77 of 89 Old 09-22-2013, 05:09 AM
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"Well I Am not everybody and I do not try to confuse anybody ;-) I am just asking since worm mentioned the minimum high pass in post #72"

then worm is the everybody. :-)

"in the case of the Inuke DSP models the lowest hpf is a 20 hz hpf and that's what you'd set it at"

there is a workaround on the inuke to set the high pass filter to where you want.

http://www.avsforum.com/t/1461489/how-to-extend-the-high-pass-filter-below-20hz-in-dcx2496

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post #78 of 89 Old 09-22-2013, 08:55 AM - Thread Starter
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Ok ,
I know what I need to order cables . When I actually get the amp ( in a month , not a rich dude) I am sure I will have a couple questions .
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post #79 of 89 Old 09-29-2013, 01:51 AM - Thread Starter
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I have found a deal on the inuke 3000dsp so I will be ordering it tomorrow.
I know I need these
http://www.parts-express.com/pe/showdetl.cfm?partnumber=092-192
http://www.parts-express.com/pe/showdetl.cfm?partnumber=092-054

to wire from the sub itself to outside of martybox. I know need to order some cables. As mentioned above I need an xlr cable to go from my umc200 to inuke input. Is this one ok

http://www.parts-express.com/pe/showdetl.cfm?partnumber=240-931

I will also need to go from Neutrik NL4FRX Speakon SPX Right Angle Cable Connector to the output of inuke. What do I use for this ?

I will start building the box this week as my 18" si arrives on Wednesday.smile.gifsmile.gifsmile.gif
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post #80 of 89 Old 09-29-2013, 02:33 AM
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your complicating things a bit. :-)

the inuke has xlr input, so a female xlr to male xlr cable is all you need. something like this:
http://www.parts-express.com/pe/showdetl.cfm?partnumber=240-9106

the inuke has speakon outputs for the power to the subwoofer, so a speakon speaker cable would be fine. of course you'd still need the female speakon connection on the martysub.

parts express might not be the best place to get such cables.

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post #81 of 89 Old 09-29-2013, 02:48 AM - Thread Starter
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Quote:
Originally Posted by LTD02 View Post

your complicating things a bit. :-)the inuke has xlr input, so a female xlr to male xlr cable is all you need. something like this:http://www.parts-express.com/pe/showdetl.cfm?partnumber=240-9106the inuke has speakon outputs for the power to the subwoofer, so a speakon speaker cable would be fine. of course you'd still need the female speakon connection on the martysub. parts express might not be the best place to get such cables.

So this xlr
http://www.monoprice.com/products/product.asp?c_id=115&cp_id=11509&cs_id=1150902&p_id=4750&seq=1&format=2

And this speakon cable

http://www.monoprice.com/Product/?c_id=115&cp_id=11509&cs_id=1150903&p_id=8770&seq=1&format=2
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post #82 of 89 Old 09-29-2013, 02:55 AM
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Those will work
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post #83 of 89 Old 09-29-2013, 04:10 AM
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Does anyone know how to properly wire the female speakon connector on the back of the sub? I can't quite figure it out?

Also with regards to attaching wire to a male speakon connector, do you take the little tiny screws all the way out then insert the wire and replace the screws? Or do you just loosen the screws, not take them all the way out, just loosen and place the wire in the little hole then relighted the loosened screw?
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post #84 of 89 Old 09-29-2013, 05:14 AM
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are you sure about that worm? bridged mode uses 1+ and 2+.



the cable will work, but would need to be modified. :-)~

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post #85 of 89 Old 09-29-2013, 01:00 PM
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Quote:
Originally Posted by LTD02 View Post

are you sure about that worm? bridged mode uses 1+ and 2+.



the cable will work, but would need to be modified. :-)~

you're right, I forgot he was bridging the Inuke
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post #86 of 89 Old 09-29-2013, 06:45 PM - Thread Starter
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Quote:
Originally Posted by LTD02 View Post

are you sure about that worm? bridged mode uses 1+ and 2+.[IMG ALT=""]http://www.avsforum.com/content/type/61/id/284165/width/350/height/700[/IMG]the cable will work, but would need to be modified. :-)~

I need to order so do I order this one ? I would prefer to not have to modify so if there is a cable that works right out of the box please point me in the right direction smile.gif
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post #87 of 89 Old 09-30-2013, 04:36 AM
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by "modify" the cable, you'd have to unscrew the connector, unscrew the wire, put the wire into a different hole, tighten the screw down, and screw the connector back on. it's trivial, but it has to be done. otherwise, you need full blown 4 conductor speaker wire, in which case two of the wires in the cable won't be doing anything.

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post #88 of 89 Old 09-30-2013, 06:46 AM - Thread Starter
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I guess I can do that modification biggrin.gif
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post #89 of 89 Old 09-30-2013, 06:58 AM
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:-)

found this great tutorial on how to make/reconfigure speakon speaker wire.

http://www.youtube.com/watch?v=hCjpP0kYBAU

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