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 Subwoofer Discussion Thread, A thread for things that go BOOOOMMM!!!

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djdyks
post Sep 6 2008, 02:25 AM

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QUOTE(ALPS2008 @ Sep 5 2008, 01:29 PM)
hurray....I get my Subwoofer cable (QED Qunex Silver Reference SR-SW Subwoofer Cable 3m) after wait for more than 7 days...alas.....thm...the delay..might be the public holiday....

Well...I order from future.co.uk.....the parcel is registered letter...and terpaksa go to pos office to collect today...
Poor thing.....I don't like the pos office guy.....ask me give the IC.....and ask me to fill up a small form.....but...my IC just put at my table....he not even touch my IC or look at my IC  to check I am the correct person....this is the so called our public service.... i also wonder how secure our registered letter.....  hmm.gif

Anyway, tonite or during weekends I can audit the different with branded cable or with my cap ayam cable....haaaa flex.gif  flex.gif .....yippie....
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Bro, how much u paid for the sub cable ? All in till your doorstep ?
I was quoted for $100 ++ from CMY, but not sure its Qunex Silver Reference SR-SW or other
arj
post Sep 6 2008, 02:39 AM

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QUOTE(djdyks @ Sep 6 2008, 02:25 AM)
Bro, how much u paid for the sub cable ? All in till your doorstep ?
I was quoted for $100 ++ from CMY, but not sure its Qunex Silver Reference SR-SW or other
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I've tried adding it to my basket then checkout. Just under RM230 together with shipping...

http://www.futureshop.co.uk/qed-qunex-silv...e-3m-p-874.html
arremie
post Sep 6 2008, 03:17 AM

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QUOTE(djdyks @ Sep 6 2008, 02:25 AM)
Bro, how much u paid for the sub cable ? All in till your doorstep ?
I was quoted for $100 ++ from CMY, but not sure its Qunex Silver Reference SR-SW or other
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Dude...not possible la to get SR-SW for only RM100++ especially from CMY. Must be different model.
fevercrash
post Sep 6 2008, 07:18 AM

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Just got myself a Monster Interlink subwoofer cable and now i can feel the bass more refine and more punch than before..hahaha..really satisfy!! thumbup.gif
djdyks
post Sep 6 2008, 01:38 PM

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ok, understood ... any suggestion of a quality cable ... say less than $200 ?
In pair form, coz i'll get a Y-splitter later too
fevercrash
post Sep 6 2008, 02:07 PM

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i bought mine for rm220, that's the cheapest branded sub woofer cable i can find.. smile.gif at first i was looking for one less than rm200 too but can't find it..
arremie
post Sep 6 2008, 02:32 PM

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I use this one. The Y adapter already built into the cable.


Added on September 6, 2008, 2:38 pmIf you want something cheaper...
You can use this for Y adapter.

This post has been edited by arremie: Sep 6 2008, 02:48 PM
ALPS2008
post Sep 6 2008, 05:17 PM

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QUOTE(djdyks @ Sep 6 2008, 02:25 AM)
Bro, how much u paid for the sub cable ? All in till your doorstep ?
I was quoted for $100 ++ from CMY, but not sure its Qunex Silver Reference SR-SW or other
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No way will be RM100++ for this model from CMY.....I have checked with CMY previously, most (far to say) cable from them are much more expensive if puchased from futureshop.co.uk

I think after conversion, it is about ~RM$270 (inclusive of postage/shipping)

I already audit the cable...top class cable (Qunex Silver reference)....the bass is much accurate compare my previous cap ayam cable....and reduce the chance of humming...so far..after I using it....no humming from my subwoofer if I control the frequency higher than 120hz or maximum....Anyway, I am still learning.... hmm.gif just to convince myself....keeeeee icon_idea.gif icon_idea.gif


thumbup.gif thumbup.gif thumbup.gif

Will look forward to purchase other type of cable from futureshop.co.uk


callmevil
post Sep 6 2008, 07:55 PM

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wats the difference using Y cable for subs? isnt it the same ??
ALPS2008
post Sep 6 2008, 09:21 PM

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QUOTE(callmevil @ Sep 6 2008, 07:55 PM)
wats the difference using Y cable for subs? isnt it the same ??
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I read some review said...no different...

Low hz where have direction la.....why need R and L? Just wonder?





arremie
post Sep 6 2008, 11:37 PM

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Using Y connector will give you up to 3db more. I don't think you even notice but its there so why not use it. Plus even the manual also encourage you to use it. Won't cost you arm and leg tongue.gif
arj
post Sep 7 2008, 12:04 AM

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QUOTE(callmevil @ Sep 6 2008, 07:55 PM)
wats the difference using Y cable for subs? isnt it the same ??
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I noticed a slight increase in the subwoofer volume after using the Y cable. Dunno weather it's real or placebo effect only laugh.gif

QUOTE(arremie @ Sep 6 2008, 11:37 PM)
Using Y connector will give you up to 3db more. I don't think you even notice but its there so why not use it. Plus even the manual also encourage you to use it. Won't cost you arm and leg tongue.gif
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Where did you get the Audioquest subwoofer cable from? How much was it? biggrin.gif
arremie
post Sep 7 2008, 12:12 AM

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eBay bro. See a few post back I gave the link to the eBay store. That one is longer. Mine only 4.5m and cost me USD63 with shipping.
mys_terious
post Sep 7 2008, 12:26 AM

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QUOTE(arremie @ Sep 6 2008, 11:37 PM)
Using Y connector will give you up to 3db more. I don't think you even notice but its there so why not use it. Plus even the manual also encourage you to use it. Won't cost you arm and leg tongue.gif
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bro i think u dont get 3db more.. its just that u might get the same spl by turning your gain lower when u use a y splitter.. i just feel dat it doesnt make sense dat your amp can become more powerful when u use a y splitter.. chances r the input signal is stronger when y splitter is used n thats y your amp gain doesnt need to be turned up so high.. but the max spl would be the same coz your amp will hit its limit sooner.. squeezing 3db out of the maximum spl of the sub is a big deal if y splitter can do that then i think all the subwoofer manufacturers would have a big print on the box to advice u to buy a y splitter

This post has been edited by mys_terious: Sep 7 2008, 01:01 AM
ALPS2008
post Sep 7 2008, 12:39 AM

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QUOTE(arremie @ Sep 6 2008, 11:37 PM)
Using Y connector will give you up to 3db more. I don't think you even notice but its there so why not use it. Plus even the manual also encourage you to use it. Won't cost you arm and leg tongue.gif
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I remember I read somewhere that 3db already double the sound level from previous one...and also need double of the power to increase the 3dB.....
Logic calculation, AVR output to one power to Y connector.....where the extra power come from?


Anyway, I still don't understand how the R or L input work....any sifu can coment....

For my sub...I set my subwoofer level to -4db.....my sub is enough power already.....keeeeee




arremie
post Sep 7 2008, 12:57 AM

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Bro the Y splitter is on the sub side and not amp. Your amp will still output whatever it can whether you use Y splitter or not. If you use Y adapter on the amp side (like the one from Audioquest), you'll need 2 cables to utilize the sub stereo input. Either way, the latter surely will cost you more money tongue.gif

Taken from Velo manual...
"If using the LFE output from your receiver, plug the single cable into the "L"- LFE input or for more signal use a Y connector and feed the signal into both R and L input"

I'm not sure what they meant with "for more signal" but I've read somewhere in AV forum that the maximum gain by doing so is not more than 3db. Like I said previously, you may not even notice. Even I myself don't even bother about the increase but my cable already come with built-in Y splitter so I use it.

If the argument is to save money from buying the Y splitter then by all mean please do so. Heck I will also use single cable without the Y splitter if I don't already have my current cable biggrin.gif
callmevil
post Sep 7 2008, 01:03 AM

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QUOTE(arj @ Sep 7 2008, 12:04 AM)
I noticed a slight increase in the subwoofer volume after using the Y cable. Dunno weather it's real or placebo effect only laugh.gif
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ok was lurking around avsforums on this matter.. what i found out is..
1. yes its true, using the Y splitter does inc the sound by 3db.. however, u will have to recalibrate ur sub again which will then bring the db back to what it was.. haha.

2. ok now, another thing they posted is, the L n R is bridged already inside the sub if theres only 1 connection runned to it (L/R), most prefer to plug in L instead of R, however logically it wouldnt make any difference since its mono and not stereo.

3. Monsters dont make this Y splitter cables so.. yeah take that point personally..

4. the L/R ins are for speakers to feed sound to the sub if the speakers have weak bass. if using LFE sub-out from amp then 1 is enough


arremie
post Sep 7 2008, 01:03 AM

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....but u got to admit....the temptation of using stereo input on your sub is irresistible laugh.gif
ALPS2008
post Sep 7 2008, 01:07 AM

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QUOTE(arremie @ Sep 7 2008, 12:57 AM)
Bro the Y splitter is on the sub side and not amp. Your amp will still output whatever it can whether you use Y splitter or not. If you use Y adapter on the amp side (like the one from Audioquest), you'll need 2 cables to utilize the sub stereo input. Either way, the latter surely will cost you more money tongue.gif

Taken from Velo manual...
"If using the LFE output from your receiver, plug the single cable into the "L"- LFE input or for more signal use a Y connector and feed the signal into both R and L input"

I'm not sure what they meant with "for more signal" but I've read somewhere in AV forum that the maximum gain by doing so is not more than 3db. Like I said previously, you may not even notice. Even I myself don't even bother about the increase but my cable already come with built-in Y splitter so I use it.

If the argument is to save money from buying the Y splitter then by all mean please do so. Heck I will also use single cable without the Y splitter if I don't already have my current cable biggrin.gif
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Bro....I understand la.....

Now...your avr have one ouput LFE ...right?....then "X" Power....right?.....even your split your wire to two ("Y" cable)...
the total power still "X" power reach to your sub....right?......logic..calculation ..cannot from power to increase sound level.....unless due to stereo effect which I don't know this....

I have read many subwoofer manual.....read what is the best connection....not only your velodyne...those famous sub manual I also read...and read many review/study....based on my memory and my conclusion ...no different will get....All those is just a glimick from the manufacturer.....

This post has been edited by ALPS2008: Sep 7 2008, 01:08 AM
mys_terious
post Sep 7 2008, 01:11 AM

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QUOTE(arremie @ Sep 7 2008, 12:57 AM)
Bro the Y splitter is on the sub side and not amp. Your amp will still output whatever it can whether you use Y splitter or not. If you use Y adapter on the amp side (like the one from Audioquest), you'll need 2 cables to utilize the sub stereo input. Either way, the latter surely will cost you more money tongue.gif

Taken from Velo manual...
"If using the LFE output from your receiver, plug the single cable into the "L"- LFE input or for more signal use a Y connector and feed the signal into both R and L input"

I'm not sure what they meant with "for more signal" but I've read somewhere in AV forum that the maximum gain by doing so is not more than 3db. Like I said previously, you may not even notice. Even I myself don't even bother about the increase but my cable already come with built-in Y splitter so I use it.

If the argument is to save money from buying the Y splitter then by all mean please do so. Heck I will also use single cable without the Y splitter if I don't already have my current cable biggrin.gif
*
i think what it meant 'for more signal' is like what i said.. higher voltage output from from avr to the subwoofer amplifier hence higher output at the same gain level.. but you will hit the max spl sooner.. lets say without y splitter when u turn the gain to knob to 10 oclock it is your max spl.. with y splitter maybe 8 oclock already hits the amp limit.. not here to argue.. just hoping some sifu might help to explain.. coz i also wanna know.. if it really helps the performance then i also wanna buy

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