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 SVS subwoofer, How many users here? Just courious

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jchong
post Jul 28 2009, 02:48 PM

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QUOTE(pierreye @ Jul 28 2009, 01:12 PM)
htkaki, you should find a way to bypass ketam. Just check around with some transporter who can find jalan to maybe pay a bit to bypass. Anyway, wait for your pricing. If very sui, then get from you. If not, need to ask my brother in singapore to get a unit and bring in through car.
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While bypassing ketam would be good for the buyers, for htkaki running this as a business might pose some risks if ever get caught. Also possibility of dealership being revoked if found to be engaged in duty evasion (but this depends on SVS, don't know if SVS sticky about this).
jchong
post Jul 30 2009, 09:08 AM

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QUOTE(lightning69 @ Jul 28 2009, 10:52 PM)
I got a setup problem need expert advice here?

I did my calibration with the SPL meter base on the instruction on the setup manual provided by SVS.  I set all my speakers to 75db with my AVR main volume at 0 with the pink noise from my Denon AVR3805. Then I set the PC12-Plus to 80db with the AVR sub volume to 25% and the volume knob on the SVS at roughly 9 O clock position.  With this setting I play some music and movies and the bass is just too soft.  I have to turn the volume knob on the PC12-Plus to 12 O clock position to get good bass.  At this volume level, my SPL meter reading for my sub is at 95 to 100db.

Did I do something wrong here.  Why is my bass so weak when its calibrated to the same level as the other speakers?
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I had the same issue with my Rythmik sub. Like you I had to turn up the volume to let the stronger bass come through. I think it's something to do with the pink noise and how it is reproduced through the sub and subsequently picked up by the SPL meter.
jchong
post Jul 30 2009, 01:31 PM

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QUOTE(pierreye @ Jul 30 2009, 01:24 PM)
I think you all might have an issue which is not because of your sub. Previously I'm having an issue as mention need to turn up the volume very high to feel the bass and kick from the system. In actual fact it's nothing wrong with sub not outputting enough bass. The problem is you lack of dynamic mid-bass (100hz to 300hz) to blend into your sub which is why you feel there is a gap in the system. My DD-12 is very dynamic and all the while the Onkyo 805 can't produce the dynamic sound to push my speaker to follow the sub. A dedicated power amp might help you to improve the integration of sub and your main speakers and improve your mid-bass punch.
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What you talked about, this "lack of dynamic mid-bass" do you think it's due to the receiver or main speakers? To my thinking, better to experiment with the main speakers first, then next the amp. Of course, with enough moolah upgrade both! biggrin.gif
jchong
post Jul 30 2009, 02:15 PM

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Edit: saw that your Emotiva has arrived!

I might try to see if I can loan a power amp to test out in my system. For the front I ran the PSB T55.

This post has been edited by jchong: Jul 30 2009, 03:39 PM
jchong
post Jul 30 2009, 11:43 PM

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QUOTE(megatron007 @ Jul 30 2009, 10:46 PM)
got kaki said spore SGD750 nie for SVS wor

murah hor
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Got so cheap meh? Which model can get for SGD750?
jchong
post Jul 31 2009, 10:03 AM

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QUOTE(htkaki @ Jul 31 2009, 12:18 AM)
Probably a used unit / old model. The cheapest SVS sub in Singapore is PB/PC-12NSD at SGD1,099.
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Wah, so cheap there especially considering their purchasing power. No wonder so many Singaporeans going for SVS.

If we had the same kind of purchasing power, everybody can afford an SVS at 1.1k
jchong
post Aug 2 2009, 11:02 AM

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Thanks for posting your chart htkaki.

I'm not too worried about the drop off after 16Hz. I assume that's your tuning point and ported subs are known to drop off quickly after that point. Besides 16Hz is plenty deep.

The big issue is the 40-48Hz range as you pointed out. A lot of audible bass in this region and that null is no good. My first gut reaction is to change the sub position. That might have more impact than tweaking your room.
jchong
post Aug 4 2009, 11:01 AM

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QUOTE(ronnt88 @ Aug 4 2009, 10:45 AM)
still see the dip... can it be the fault of the subwoofer itself??
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This is fault of the room. Actually the room plays a very important part in the sound reproduction.
jchong
post Aug 4 2009, 11:26 AM

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Hey, didn't u get the SVS EQ device? That should help greatly in ironing out the sub freq curve.

Anyway, did you download ModeCalc to check on your room modes? It's here: http://www.realtraps.com/modecalc.htm
jchong
post Aug 4 2009, 12:24 PM

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QUOTE
blush.gif  Yes, I knew that AS-EQ1 could help tremendously but it is selling like hot cakes. Have to wait for next shipment. ETA mid Sept if there is a unit to spare  sweat.gif If not another 1 mth wait. No need to crack my head doing this and that. Plug it int, fiddle with the mic and knobs. Voila......  whistling.gif


SVS doing very well. Sub selling like hotcakes, EQ also selling like hotcakes. smile.gif

QUOTE
btw, how's your progress?  smile.gif Really need a lot of time to do it which is 'luxury' to most of us.


Yeah, I agree it takes a lot of time, effort and experimentation. Tried the foams at 1st reflection point, got small difference. But I haven't had time to do much else.

QUOTE
Correct me if I am wrong. Even with Denon and Onkyo's current models (high-end models exempted tongue.gif ), it could not eliminate 'peaks' and 'valleys' effectively rclxub.gif . Still room treatment is needed. Any Denon / Onkyo owners care to share their sub FR graph?  smile.gif


The Audyssey MultEQ XT does help some. It won't give a perfectly flat graph, but it does help soften the peaks and valleys some. I did one before and after graph, will upload later coz it's at home.
jchong
post Aug 4 2009, 03:53 PM

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QUOTE(robinlim @ Aug 4 2009, 03:18 PM)
Just run the Audyssey MultEQ XT only for the sub without any other tools?
No more room treatment needed?
Can teach me how to do that? tongue.gif
Coz really confused on what u guys were talking about rclxub.gif
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To run Audyssey you need all your speakers plugged in. You also need to plug in the Audyssey microphone into your AVR. Then just follow the instructions.

Audyssey is not the perfect cure. It helps but it cannot solve all your room's acoustical problems. So, yes there is still use for those room treatments.
jchong
post Aug 4 2009, 07:05 PM

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Here's my graph for before and after Audyssey:

user posted image
jchong
post Aug 4 2009, 10:12 PM

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QUOTE(pierreye @ Aug 4 2009, 09:00 PM)
Looks nice. If you get an eq and tune down few dbs from 32 to 64hz then that would be much smoother. Looks like this sub is a good buy.
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The F15 does come with a parametric EQ, but one band only so I have to choose which peak to tame. To do more, like you said I'd need an external EQ. But dang, one of those is like the price of a sub! Or an XPA-5 smile.gif

QUOTE(megatron007 @ Aug 4 2009, 09:56 PM)
audisi multiEQ XT memang sedap biggrin.gif ..love to see those sifus here tame down the peak n drop biggrin.gif
u guys really hardworking to prepare the data plot biggrin.gif
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Part of learning about this hobby. Really, before I was also dizzy about all this stuff. Slowly as I try some of these things out I learn to appreciate it.
jchong
post Aug 7 2009, 10:43 AM

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QUOTE(arremie @ Aug 6 2009, 10:15 PM)
Looks like getting SVS sub is not the end of story and be happy. A lot of tuning needed. Might come into extra cost if room treatment is needed sweat.gif

Anyway I believed the end result will be rewarding.
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I believe tuning is necessary for any sub (not just SVS) in order to get the best integration with the room. Even if don't want to explore room acoustic treatment, at the least should play around with sub positioning.
jchong
post Aug 8 2009, 08:54 AM

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Hey htkaki, that black rubbery foam you bought... how much is it per roll?
jchong
post Aug 10 2009, 12:13 PM

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Thanks for your review lightning69. When you change from movies to listening to music do you need to adjust the volume of the sub? Or for both you play them equally loud?
jchong
post Aug 10 2009, 02:55 PM

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QUOTE(arremie @ Aug 10 2009, 02:28 PM)
i think he's talking about sub volume and not sub level
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Aren't they the same thing?

Either adjust the volume knob at the sub, or adjust the sub trim in the AVR. Effect is the same, the bass output will be adjusted.


Added on August 10, 2009, 2:58 pm
QUOTE(lightning69 @ Aug 10 2009, 02:09 PM)
Yes, I normally do up the level slightly for music for more bass.  One downside of the SVS is that it doesn't have a remote control.  That would be really nice.


Yup, a remote control is useful for any sub. I miss the remote function in my 12Q.

This post has been edited by jchong: Aug 10 2009, 02:58 PM
jchong
post Aug 10 2009, 03:40 PM

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QUOTE(pierreye @ Aug 10 2009, 03:09 PM)
You are the first one to mention increasing volume for music. Normally I will down the bass for music for better integration with the main. For movie, you want maximum kick from the system.
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Same here.
jchong
post Aug 10 2009, 05:32 PM

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QUOTE(htkaki @ Aug 10 2009, 04:51 PM)
Here's the rough quote :

1. PC-12NSD & PB-12NSD : RM3,815

2. SB-12Plus : RM4,533

3. PC-12Plus : RM5,774

4. PB-12Plus : RM6,661

5. PB-13Ultra : RM8,890.

6. PC-13Ultra : RM8,009

7. AS-EQ1 : RM4,355
*Delivery with installation. Will provide basic sound calibration too by using SPL meter.
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Price is finally out. sweat.gif
jchong
post Aug 10 2009, 09:26 PM

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QUOTE(mpyw @ Aug 10 2009, 06:16 PM)
hmmm...the Sb-12 Plus is the square sealed box???  hmm.gif
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Yup. Apparently it may be discontinued once the new 13" and 16" sealed models come out.


Added on August 10, 2009, 9:28 pm
QUOTE(htkaki @ Aug 10 2009, 05:36 PM)
Bro, why  sweat.gif  ? More poison to 'swallow' is it? But, you have yours already. So, my poison probably not going to work on you.
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This SVS poison won't work on me, but I'm sure there are others which you will introduce in time to come tongue.gif

This post has been edited by jchong: Aug 10 2009, 09:28 PM

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