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 The Official Subwoofer Thread v2, Everything you need to know about bass!

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TSBarricade
post May 21 2009, 11:06 AM, updated 17y ago

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Link to v1

http://forum.lowyat.net/topic/725192


The L.Y.N. Subwoofer Owners Club (updated 13/5/2009)

B&W

AS6
choontoy
ASW300
tongkito

HSU Research

1225
rizzo8
STF-2
craven dusk

KLIPSCH

RW-12D
Nakata101

MONITOR AUDIO

BRW-10
ah_chak

MORDAUNT-SHORT

Genie 409W
mikapoh

PARADIGM

PS1000
Dddrive
SiriuslyCold
PS1200
fevercrash
Ultracube-12
nadky
DSP-3400
HornyAngMoh

PROFICIENT AUDIO

10
samlee860407

REL

Strata 5
fourzee
Q50
butter finger

SVS

PB12-NSD
mys_terious
PC 20-39+
callmevill
PC-12+
(Coming very soon) rclxms.gif
megatron007
blostomous
kianwee
htkaki
mpyw
ARJ
NAKATA101
robinlim (next upgrade in far future......)

VELODYNE

CHT-10R
sunauto
aiman04
arremie
ycs
suitangi
Hackwire
jwyj
CHT-12R
mpyw
splee8868
arj
albertonia
shich80
WCH69
timothyy
Htkaki
Rakyat
Gtafan
Slicardo
Howie
gizmodo
lightnin69
CHT-10Q
robinlim
Kevin
eugenengkarmeng
CHT-12Q
augustinesoh
state of abyssmal
eugenengkarmeng
DD-12
Pierreye
SPL-1000 Ultra
Superamd
SPL-1200R
jwyj
pratt
VA 68/79 XII
choontoy
Impact-12
-
Optimum-12
-

WHARFEDALE

SW150
yfyap69
megatron007
Jediknight8820



This post has been edited by Barricade: May 26 2009, 10:36 AM
SUSHornyAngMoh
post May 21 2009, 11:10 AM

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Wah! So fast arr? V2! biggrin.gif Let the BOOOOOOOOOOOMMMM continue! rclxms.gif
megatron007
post May 21 2009, 11:10 AM

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reporting .... calling all future SVS ownerto fall in:


1. megatron007
2. blostomous
3. kianwee
4. htkaki
5. mpyw
6. ARJ
7. NAKATA101
8.
9.
10.

This post has been edited by megatron007: May 21 2009, 12:30 PM
kianwee
post May 21 2009, 11:21 AM

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SVS trend now brows.gif
aiman04
post May 21 2009, 11:24 AM

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Kianwee, maybe you can paste the owners list in the first post, like the original thread. biggrin.gif
lightning69
post May 21 2009, 11:25 AM

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QUOTE(megatron007 @ May 21 2009, 12:15 AM)
i read in SVS forum

the best to configure is to leave ur SUB volume at 30% max, OFF the cross-offer

and configure the db & bass mgmt on ur AVR

betol or not sifus ??
*
There is no "best" way to connect your sub. It really depends on what you want and the type of speakers you are using. If you have a large full range speakers, then you can connect it via the AV LFE out, set your speaker to Large, & turning off the cross-over would be good because this will allow the signal to bypass the crossover. However that would leave your sub to produce everything from the LFE channel. But some prefer to use the crossover to set the crossover at a lower frequency which is just slightly above the lowest frequency that the main speakers can produce. This setting will have the sub produce those low freq that the main speakers cannot produce.

However if you want more bass from your system, you might want to set the crossover at a higher level to produce the bass that your main speaker already can produce.

If you have small speaker like satelites or bookshelf, then you will be required to play around the crossover to make the woofer blend int your speakers.

One thing that caught my attention about the REL subwoofers is the very unique set-up. In fact REL call it the Sub Bass system instead of subwoofers. Unlike most sub, you either connect with the LFE or you could connect via the High Level output(direct from AV speakers output). The REL that I tested 2 days ago requires a very different setup. REL recommended connecting with both the LFE input and the High Level input(it even include Nuetrik Speakon connector and cables for this). In fact it has a volume control for both the LFE input andthe High Level input.

Here are qome quotes from REL:

"RELs are not traditional subwoofers, but true sub-bass systems. A REL is designed to augment the performance of “full range” speaker systems, to provide linear response down to below 12 Hz (Studio III, -6 dB down at 9 Hz). Therefore, for the moment, set aside everything you’ve been taught about subwoofers and how they are integrated into a stereo or theater system. RELs set-up and position differently than other subwoofers. A REL will take advantage of physics and room acoustics to provide deep pressurization as no other sub-woofer can. It’s important that you bring to the set-up process a willingness to do things a little differently in order to obtain these superior results. The end result of your labors will be an utterly seamless integration of true deep bass to a sound system, regardless of the main speaker’s low bass capability."

Connection:
"It is helpful to know that you will almost always connect the REL to the input on the rear panel labeled “Hi Level.” This connection is made using the supplied 34’ 10” (10 meters) cable, the bare leads of which connect to the speaker output terminals of the power amplifier. The easy and foolproof connection at the REL is done with a Neutrik Speakon connector. The purpose of connecting to the speaker output terminals is one of the unique secrets of REL’s success. By connecting to the high level input on the REL from the amplifier, you build forward the sonic signature of your main system, including the tonal balance and timing cues of the entire electronics chain. In this way, the REL is fed the exact signal that is fed to the main speakers."

Theater and Film Applications:
For Dolby Digital AC-3® or other 5.1 theater systems, once the standard set-up for two-channel outlined above is complete, the LFE output from the processor or receiver should be connected to the low-level input and appropriate gain adjustments made. It may be necessary to take the crossover out of the low-level input using the “mode” switch if extra upper bass output is called for. Keep phase consistent with what was selected during high-level set-up by simply choosing the corresponding setting (1 = 2, 3 = 4). For this configuration, you must set the processor to the “large” or “full range” setting for the left and right speakers in order for the REL to receive the bass signal via the high-level cable. In this configuration, the REL provides support for both the left and right speakers for two-channel listening, and support for the LFE when movies are playing. Most processors will allow you to defeat the subwoofer output when listening in the two-channel mode. The effect of this set-up is one of greatly increased dynamics in the mid-bass range; no bass bloat; and a greater degree of space and timing from the Foley effects. For an even greater sense of space and impact, a second woofer connected in parallel to the center channel will prove to be a dramatic improvement as well. And if that is not enough fun, a rear sub, both to support the rear channel speakers as well as to evenly distribute LFE through the room, truly completes the full-range sonic picture for state-of-the-art film reproduction.

To read more about REL unique sub bass system you can go to REL website @ REL
TSBarricade
post May 21 2009, 11:37 AM

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QUOTE(lightning69 @ May 21 2009, 11:25 AM)
There is no "best" way to connect your sub.  It really depends on what you want and the type of speakers you are using.  If you have a large full range speakers, then you can connect it via the AV LFE out, set your speaker to Large, & turning off the cross-over would be good because this will allow the signal to bypass the crossover.  However that would leave your sub to produce everything from the LFE channel.  But some prefer to use the crossover to set the crossover at a lower frequency which is just slightly above the lowest frequency that the main speakers can produce.  This setting will have the sub produce those low freq that the main speakers cannot produce.

However if you want more bass from your system, you might want to set the crossover at a higher level to produce the bass that your main speaker already can produce. 

If you have small speaker like satelites or bookshelf, then you will be required to play around the crossover to make the woofer blend int your speakers.

One thing that caught my attention about the REL subwoofers is the very unique set-up.  In fact REL call it the Sub Bass system instead of subwoofers.  Unlike most sub, you either connect with the LFE or you could connect via the High Level output(direct from AV speakers output).  The REL that I tested 2 days ago requires a very different setup.  REL recommended connecting with both the LFE input and the High Level input(it even include Nuetrik Speakon connector and cables for this).  In fact it has a volume control for both the LFE input andthe High Level input. 

Here are qome quotes from REL:

"RELs are not traditional subwoofers, but true sub-bass systems. A REL is designed to augment the performance of “full range” speaker systems, to provide linear response down to below 12 Hz (Studio III, -6 dB down at 9 Hz). Therefore, for the moment, set aside everything you’ve been taught about subwoofers and how they are integrated into a stereo or theater system. RELs set-up and position differently than other subwoofers. A REL will take advantage of physics and room acoustics to provide deep pressurization as no other sub-woofer can. It’s important that you bring to the set-up process a willingness to do things a little differently in order to obtain these superior results. The end result of your labors will be an utterly seamless integration of true deep bass to a sound system, regardless of the main speaker’s low bass capability."

Connection:
"It is helpful to know that you will almost always connect the REL to the input on the rear panel labeled “Hi Level.” This connection is made using the supplied 34’ 10” (10 meters) cable, the bare leads of which connect to the speaker output terminals of the power amplifier. The easy and foolproof connection at the REL is done with a Neutrik Speakon connector. The purpose of connecting to the speaker output terminals is one of the unique secrets of REL’s success. By connecting to the high level input on the REL from the amplifier, you build forward the sonic signature of your main system, including the tonal balance and timing cues of the entire electronics chain. In this way, the REL is fed the exact signal that is fed to the main speakers."

Theater and Film Applications:
For Dolby Digital AC-3® or other 5.1 theater systems, once the standard set-up for two-channel outlined above is complete, the LFE output from the processor or receiver should be connected to the low-level input and appropriate gain adjustments made. It may be necessary to take the crossover out of the low-level input using the “mode” switch if extra upper bass output is called for. Keep phase consistent with what was selected during high-level set-up by simply choosing the corresponding setting (1 = 2, 3 = 4). For this configuration, you must set the processor to the “large” or “full range” setting for the left and right speakers in order for the REL to receive the bass signal via the high-level cable. In this configuration, the REL provides support for both the left and right speakers for two-channel listening, and support for the LFE when movies are playing. Most processors will allow you to defeat the subwoofer output when listening in the two-channel mode. The effect of this set-up is one of greatly increased dynamics in the mid-bass range; no bass bloat; and a greater degree of space and timing from the Foley effects. For an even greater sense of space and impact, a second woofer connected in parallel to the center channel will prove to be a dramatic improvement as well. And if that is not enough fun, a rear sub, both to support the rear channel speakers as well as to evenly distribute LFE through the room, truly completes the full-range sonic picture for state-of-the-art film reproduction.

To read more about REL unique sub bass system you can go to REL website @ REL
*
You did your home work wor thumbup.gif
htkaki
post May 21 2009, 11:59 AM

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Why I am tempted to buy SVS PC-12Plus :

http://www.hometheatersound.com/equipment/svs_pc12_plus.htm
mys_terious
post May 21 2009, 12:03 PM

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QUOTE(attentional @ May 21 2009, 11:02 AM)
12d also consider entry level, how about those rogers sub? garbage level?
*
entry level among klipsch line up la.. if RW-12D is its hi end models then where do klipsch KW-120-THX, XW-500d, RT-12D stand.. i said entry meaning among commonly talked abt hometheater brands like velodyne, klipsch, svs, hsu.. it is a fact these are the common brands hometheater enthusiast buy and their entry line normally cost usd550 to usd650.. they do cost a bomb to us but its a fact they r entry level.. i dont see many rogers discussions here so i have no idea how much they cost n sound.. if u feel offended and want me to call RW-12D a benchmark model i am more than happy to edit my post specially for u uncle roger

This post has been edited by mys_terious: May 21 2009, 12:21 PM
nakata101
post May 21 2009, 12:04 PM

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If i got 2 sub, how i set it 1 for front and 1 put near the seating position??? Put SVS at seating position more interesting ??? whistling.gif
lightning69
post May 21 2009, 12:11 PM

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QUOTE(Barricade @ May 21 2009, 11:37 AM)
You did your home work wor  thumbup.gif
*
hehehe biggrin.gif

Want to read more?

Here is a quote from Sound & Vision review of the T1:

MUSIC PERFORMANCE

REL developed its reputation building what the company likes to call "sub-bass systems" for enhancing music playback, so it's no surprise that musical performance is a key strength of its designs. What is unexpected is that REL manages to maintain impressive tunefulness in a sub as compact as the T1. In my experience, small subs with high-excursion drivers can move plenty of air and create an impressive pants-leg-flapping rumble, but they run into trouble when attempting to reproduce specific notes and tunes.

"Anna Stesia" from Prince's Lovesexy might be a hard- and compressed-sounding mess of a recording, but it does include some seriously deep synth-bass. The T1 used in tandem with the diminutive Haydn Grand speakers demonstrated how well the REL could integrate with a smaller speaker, extending its reach into the lowest octaves. While I couldn't finger any part of the sound as coming directly from the T1, that synth-bass line all but disappeared when I switched off the sub.

With Venezuelan conductor Gustavo Dudamel's remarkable recording of Beethoven's 7th Symphony, the T1 clearly contributed texture and weight to the lower strings, as well as plenty of impact from the tympani. What was striking wasn't the quantity of bass but its quality and tunefulness. There was also a sense of fullness that came without making the sound muddy or thick.

MOVIE PERFORMANCE

While REL's emphasis with the T1 is on tunefulness and clarity, that's not to suggest that it doesn't go deep. With the right material, it produced plenty of bass that you could feel as well as hear. It's just not designed to bowl you over and make you say, "Wow, there's that sub kicking in again!"

What the T1 does have is a chameleon-like ability to disappear sonically into a system and blend impeccably with the rest of the speakers. The effect is more as if you replaced your main speakers with a much larger and more full-range model from the same company, rather than adding something that's designed to impress on its own.

The scene from the animated movie Over the Hedge where the turtle Verne first explores the new housing development is a good source of subtle low-frequency detail. With the REL, sounds like the statue falling over onto the grass and the SUV that drives over Verne were especially clear and unmuddied.

The Haunting has plenty of over-the-top bass effects, and using the T1 for the "Creaking Pipes" chapter demonstrated just how tight and extended the T1's response could be — as long as levels were kept to within its limits. When pushed too hard, the bass radiator would start to make strange noises as it reached the limits of its excursion — although it took truly silly volume levels to get to that point.

A scene from Master and Commander where enemy cannonballs rip through the timbers of the ship demonstrated the T1's impressive impact. The sound of the British vessel crashing over the ocean waves was crisp and taut, with plenty of low-bass extension. And I didn't get any sense of bass energy overload, which can be a problem with less well-behaved subs.

BOTTOM LINE

If your idea of a great subwoofer is one that can inflict the maximum amount of structural damage to your home for the lowest price, then the T1 is clearly not for you. REL's design approach is far more subtle, going back to the original thinking behind the subwoofer concept, which was to extend the low-frequency reach of an existing system coherently and discreetly. But that's not to suggest that the T1 is in any way effete or wimpy. Using its separate LFE level control, you can set up the T1 to let loose its subtle prowess on music while delivering a real kick for movies. That level of flexibility, in my opinion, is the sign of a great sub.
SUSHornyAngMoh
post May 21 2009, 12:12 PM

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QUOTE(nakata101 @ May 21 2009, 12:04 PM)
If i got 2 sub, how i set it 1 for front and 1 put near the seating position??? Put SVS at seating position more interesting ???  whistling.gif
*
Wah laueh! If u put a SVS near where u seat I am very very sure u will feel the vibration! Especially 'down there'! brows.gif brows.gif

Please try out U571 when u got ur SVS rclxms.gif rclxms.gif Feel the explosion!
attentional
post May 21 2009, 12:21 PM

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QUOTE(mys_terious @ May 21 2009, 12:03 PM)
entry level among klipsch line up la.. if RW-12D is its hi end models then where do klipsch KW-120-THX, XW-500d, RT-12D stand.. i said entry meaning among commonly talked abt hometheater brands like velodyne, klipsch, svs, hsu.. it is a fact these are the common brands hometheater enthusiast buy and their entry line normally cost usd550 to usd650.. they do cost a bomb to us but its a fact they r entry level.. i dont see many rogers discussions here so i have no idea how much they cost n sound.. if u feel offended and want me to call  RW-12D a benchmark model i am more than happy to edit my post specially for u uncle roger
*
sorry la my friend, to be honest i'm just jealous so many upgrading to svs, i'm just using pariah low end velodyne 10r nie... so i feel sad and offended inside because my sub is considered worst than entry level and i cannot afford to upgrade to svs. i think throw into klang river also nobody pick up. pardon me pls, i'm a bit emotionally imbalanced now. sad.gif
SUSHornyAngMoh
post May 21 2009, 12:30 PM

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QUOTE(attentional @ May 21 2009, 12:21 PM)
sorry la my friend, to be honest i'm just jealous so many upgrading to svs, i'm just using pariah low end velodyne 10r nie... so i feel sad and offended inside because my sub is considered worst than entry level and i cannot afford to upgrade to svs. i think throw into klang river also nobody pick up. pardon me pls, i'm a bit emotionally imbalanced now. sad.gif
*
Aiyah! U r not alone lah! I got three 'parieh' sub at home including a Roger ASB 10". He! He! If u do throw away ur Velo do inform me, it is at least better then the Roger. Poor people like me can only drool at the elite up-grading their sub. sad.gif
But then I shall be most happy to learn from their FR on their new sub rclxms.gif

megatron007
post May 21 2009, 12:31 PM

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ya same... i got wafediu at home also

my garage got space... can throw the velodie there for me ar?? tongue.gif

thx biggrin.gif
attentional
post May 21 2009, 12:33 PM

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QUOTE(HornyAngMoh @ May 21 2009, 12:30 PM)
Aiyah! U r not alone lah! I got three 'parieh' sub at home including a Roger ASB 10". He! He! If u do throw away ur Velo do inform me, it is at least better then the Roger. Poor people like me can only drool at the elite up-grading their sub. sad.gif
But then I shall be most happy to learn from their FR on their new sub  rclxms.gif
*
I know i'm not alone, there are a lot like me out there and i know who they are, a lot diam diam nie. so sad sad.gif
Be positive! let's look forward for these elites to FR their new sub, shall we? thumbup.gif
mys_terious
post May 21 2009, 12:40 PM

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QUOTE(attentional @ May 21 2009, 12:21 PM)
sorry la my friend, to be honest i'm just jealous so many upgrading to svs, i'm just using pariah low end velodyne 10r nie... so i feel sad and offended inside because my sub is considered worst than entry level and i cannot afford to upgrade to svs. i think throw into klang river also nobody pick up. pardon me pls, i'm a bit emotionally imbalanced now. sad.gif
*
svs is not any higher level higher than velodyne.. it is just designed to go lower it just cost more here bcoz of the transport n tax.. svs pb10-nsd is only usd429 and velodyne 10r is usd499.. it also have its weakness compared to 10r.. it is a huge plain looking black box..

i am emotional and imbalanced too.. to c that genius went shopping for submarine, helicopters, tanks and jet fighters with our money.. while i save so long to buy a an entry sub
aiman04
post May 21 2009, 12:46 PM

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I also use 10R, it's just excellent for me. Really does it's job well, just need to do proper placement, crossover and calibration. If you've done that, you can't even locate the position of your subwoofer, it's become purely non-directional, only then you can really "feel" the LFE, not hear it. Really don't feel like upgrading (for now).

So, it's OK guys, enjoy what you have. biggrin.gif

This post has been edited by aiman04: May 21 2009, 12:48 PM
megatron007
post May 21 2009, 12:48 PM

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ya...sub is to feel... not to hear

totally agree with u TUN AIMAN...

why lately see u lepak over here??? getting lesser hype like RX330?


aiman04
post May 21 2009, 12:55 PM

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Tun Mega, now I'm a little bit free. Before I was really busy, can only visit here and look see only. sweat.gif

I think RX merajuk since his thread kena padlock... But now he also come here once in a while. tongue.gif

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