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 The Official Subwoofer Thread v3, Everything you need to know about bass!

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SunofaBeach
post Nov 27 2011, 08:44 PM

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Hi guys, I am looking to put a Y cables into the L and R of my sub to test if the sub will give any different output. According to some advice, this connection will give additional 3 - 6 db more output from the sub.

A few splitters I am looking at the moment but I am not sure which ones good by looking at the pictures. Would anyone like to give me some advice?

Here are the pictures and some brief descriptions from the websites:

1. Cables To Go Velocityâ„¢ Two RCA Stereo Male to One RCA Mono Female Y-Cable 15cm

Attached Image

Product Features and Technical Details
Product Features
Connectors: RCA Jack to RCA Plug x2
Connect the mono audio to stereo audio equipment with dual RCA connectors
Colour-coded moulded connectors attach to an ultra-flexible jacket for easy installation
Colour : Black
Technical Details

twisted-pair construction
Corrosion-resistant, precise 24k gold plated connectors
Oxygen-free copper wire provides clear audio performance
100% foil and braid shield protects against noise and interference

2. FLI RCA-Y 1 Female To 2 Male RCA Phono Plugs Splitter Cable Lead

Attached Image

3. RCA Phono Socket to 2x RCA Plug Cable Adapter Splitter

Attached Image

Adapter Splitter Gold Plated

Any advice are welcome! notworthy.gif

SunofaBeach
post Nov 27 2011, 09:50 PM

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Oh? Thanks for the advice pal! Save me some quids laugh.gif

Anyway, I have had my setup all in ''Large Speakers'' decided by the auto calibration and recently realised good bass management suggests that all speakers set to ''Small'' let all the LFE pass to the sub.

I had a go and discover bass is increased tremendously however in some certain part, bass sounded bit too much and bloomy, I am not sure if I should switch back to ''Large Speakers'' Setting or stick with small but tweek a bit on the subwoofer setting
SunofaBeach
post Nov 28 2011, 08:16 PM

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QUOTE(jchong @ Nov 28 2011, 08:29 AM)
I'd suggest you stick to "small" and do some tweaking.
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I tried with all set to small, sub did its job pretty well but due to the room and the wooden wall (not solid ones), bass tend to be a bit too much and bloomy, felt that when testing Home from David Foster, guess that is because of my sub is placed too close to the wall but I could not help it due to limited space at the moment (not going to make changes to the room because I wont be staying in this flat long, but will definitely do something when I move back to Malaysia)

For now I get along well with all set to Large where bass is handled quite effectively even at low volume (cant play too loud anyway due to poor room isolation), let the tiny bit of ''earthshaking'' kicks in only when the really low freq passes to the sub.

However I have got a question regarding to the ''Low Pass Filter'' at the back of my Sub. I could hear difference in between LPF set to 'in' and LPF set to 'out', but what is the theory in behind this setting?

There are also setting like EQ (A or B) which I am not sure what is that and i stick to A. For the 0 or 180, I know it should be sticked to 0 if the sub is alligned with the front.

Please could anyone explain ? icon_question.gif
SunofaBeach
post Dec 15 2011, 11:30 PM

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Sorry guys have been busy with exams and assignments laugh.gif

Thanks for the info jchong


QUOTE(Hwoarang45 @ Dec 13 2011, 02:06 PM)
yay finally brought my new sub after soooooooooo long... suffering from roger boomy sub...
Velodyne EQ-Max 10 user reporting here... sound awesome for my tiny room~~! any other owners of this sub can share your settings?

wanna ask i set my sub to 180 phase, and i place my sub to i palce middle of room sideway , is it correct?
====================================
hmm i been wondering about tat too, thanks for clearing it up
what receiver or amp u using, i just finally tune my set up nicely , since i upgrade my receiver to Yamaha RXV771  and Velodyne EQ-Max 10, what i does is i set my sub to 50% volume ,eq off, and let yamaha YPAO sound optimisation to tune my set up, end up, the cut off to sub is about 120hz volume -2db, but i increase it to +2db , sub volume at 45%... so far its tight and no boomy sound for my small room, i have a 4m x 3m room . hope this helps...
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I am using the LX82, my room size is about your room size, I'll have a go with your suggested tweeking whenever I got a chance . X'mas is near and still got loads assignment and phase test coming up doh.gif but thanks for the info thumbup.gif
SunofaBeach
post Dec 21 2011, 12:13 AM

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QUOTE(Hwoarang45 @ Dec 19 2011, 05:41 PM)
haha i taught im the only one has small room for my av set up, suck right ?
i have problem now, when my sub goes low , a part of my ceiling vibrates.. haiz... dunno which pieces.. need to nail it in..... sad.gif anyone has this problem? im living in a single story, using those old 4x6 ceiling board.. made of cement  i think..
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Having small room is not all bad , at least could save some money for the cables thumbup.gif

laugh.gif


Added on December 24, 2011, 3:25 amGuys,

I reposition my sub and tried my setting with all speakers set to small, bass improved, at least no longer boomy(previously placed at room's corner, now moved to front, placed in between front and centre speaker)

However, I notice some instruments sound in some certain music i am familiar with become not so clear when all the speakers set to small and now I am a bit dont know what to do.. doh.gif For pop/rock musics, all speakers set to small sounds great with sub kicks in but for some oldies where bass is not as much, instrument become bit lacking sad.gif

I dont really fancy changing the setting all the time when listening to different musics. Any advice for me guys??

This post has been edited by SunofaBeach: Dec 24 2011, 03:26 AM
SunofaBeach
post Dec 24 2011, 02:24 PM

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QUOTE(Hwoarang45 @ Dec 24 2011, 12:38 PM)
yeah save alot on cables, hmmm maybe u can try different cut off frequency, from 120hz  to 80hz and see..
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Thanks. I have not tried with different cut off freq yet, but I doubt that will solve my problem hmm.gif
SunofaBeach
post Dec 26 2011, 07:26 AM

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QUOTE(klimal @ Dec 24 2011, 06:14 PM)
When listening to music you can either set Audyssey to Flat or ByPass L&R speakers.
See if you like the sound.
I usually set to ByPass L&R for music videos.
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I think my amp doesnt do Audyssey sad.gif
SunofaBeach
post Dec 27 2011, 08:54 AM

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QUOTE(ckf8829 @ Dec 27 2011, 01:02 AM)
Hi,

Want to ask where can i buy a remote control for velodyne spl ultra series. Mine 1 was missing. Is there any other device can replace? Thanks alot
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Ebay perhaps ??
SunofaBeach
post Dec 27 2011, 09:06 PM

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QUOTE(Hwoarang45 @ Dec 27 2011, 10:46 AM)
what receiver u using? i think properly set the ideal cut off for your front and sub will balance out the ideal listening bass u seeking...try it ..most simple options now..
buy a cheap logitech universal remote, then map from a velodyne or see if they got supported in their list itself, cheaper and more practical than order on-line, u can control multiple stuff too
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Im using LX82
SunofaBeach
post Feb 22 2012, 04:46 AM

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Guys, I'd like to hijack to ask how does the old SVS PC12 Ultra perform? tongue.gif

Currently I am using the B&W 675 but I have not been quite pleased with my Sub, even considered a dual sub recently.

Saw one used SVS PC12 Ultra for sale in the local, quite tempted to have a go on this bolster sub biggrin.gif

Please will anyone give some advice?

Just trying my luck on asking about BK Monolith Subwoofer, it's quite a famous brand in UK but not sure if anyone has had them before ?

All these sub that I am considering are too heavy, so I wish I could aim one and hit then no need to try so many other sub again laugh.gif

This post has been edited by SunofaBeach: Feb 22 2012, 04:49 AM
SunofaBeach
post Feb 23 2012, 02:43 PM

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QUOTE(htkaki @ Feb 23 2012, 09:28 AM)
It will smoke  B&W 675 with ease whistling.gif . Even the PB12-NSD kicks its a**. My past experience as well as audition of B&W have no positive memory at all for movie purpose.

Its numerous years award winning sub is literally erm.... Nevermind about it. I think the mag has never really audition a good sub for even lesser money before. Wait, can't blame them. They have to jaga their rice bowl.

For those seeking very good sealed sub that can come close to Paradigm Sub 2, this might be your answer to it

http://www.avsforum.com/avs-vb/showthread....1191757&page=43
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Adui !! doh.gif in this case I must sell it off already.. I thought it was my sub position problem ... doh.gif
SunofaBeach
post Feb 25 2012, 12:07 PM

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QUOTE(JSpec2 @ Feb 25 2012, 09:57 AM)
Y nobody use B&W ASW610?
5 stars in what's hifi ooo...
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Would not recommend, myself is using the older ones, B&W ASW675 Subwoofer (500 watts continuous), not very happy with the bass, (currently still in the process of finding one to replace it) as our friend here said, there are many far better subs out there, if possible, do some more audition before buying would be ideal. thumbup.gif

This post has been edited by SunofaBeach: Feb 25 2012, 12:08 PM

 

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