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 Definition of SQL and SPL?, Who can define it clearly?

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coldfusionpower
post Nov 19 2008, 10:35 AM

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yeah ... because dudes like u from kopitiam lor ... all migrate to fnf ...
mav_850
post Nov 19 2008, 05:02 PM

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QUOTE(hushymushy @ Nov 18 2008, 09:40 PM)
first.....

SPL is just about loudness. as long as a system can achieve a certain db... thats it.... u hv achieved SPL


SQ is all about refinement.
Tonality, musicallity, clean, transparent, wide, deep, height
naturalness and so on....

i hope this is simple enough for you guys to understand
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im not agree this.. bro
in SPL oso hav quality... mid, tweet balance with bass..
not only the bass go too loud.. cant hear mid sound oso not good... cant hear song just bass.. fail rite?
how bout if 2 woofer can beat 4 woofer?? this is quality...
gegar or keras type... oso hav quality to consider rite...
cara main pun lain... u must bumper to bumper then can beat...
u know rite..
peace icon_rolleyes.gif
driftmeister
post Nov 19 2008, 05:06 PM

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QUOTE(mav_850 @ Nov 19 2008, 05:02 PM)
im not agree this.. bro
in SPL oso hav quality... mid, tweet balance with bass..
not only the bass go too loud.. cant hear mid sound oso not good... cant hear song just bass.. fail rite?
how bout if 2 woofer can beat 4 woofer?? this is quality...
gegar or keras type... oso hav quality to consider rite...
cara main pun lain... u must bumper to bumper then can beat...
u know rite..
peace  icon_rolleyes.gif
*
No...
in a SPL competition
it's the dB which determines the winner
no one will hell care about the balance u mentioned whistling.gif

as for roadside "SPL"
no idea whistling.gif
mav_850
post Nov 19 2008, 05:08 PM

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r u really sure?
bafukie
post Nov 19 2008, 05:20 PM

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mav, u been to a spl competition?
craziechild
post Nov 19 2008, 06:15 PM

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hehehe... check for iasca spl db drag in you tube la bro... i dun think that sq is good... dun even think they are bass sound...

for road side spl... well... i think if you follow what they said then you are just a rich kid they used to do free advertising for their shops...

i think the sifus are pretty sure how a spl competition should be...
driftmeister
post Nov 19 2008, 08:05 PM

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QUOTE(bafukie @ Nov 19 2008, 05:20 PM)
mav, u been to a spl competition?
*
lol
i also wanna ask this lar..
hushymushy
post Nov 19 2008, 08:47 PM

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QUOTE(mav_850 @ Nov 19 2008, 05:02 PM)
im not agree this.. bro
in SPL oso hav quality... mid, tweet balance with bass..
not only the bass go too loud.. cant hear mid sound oso not good... cant hear song just bass.. fail rite?
how bout if 2 woofer can beat 4 woofer?? this is quality...
gegar or keras type... oso hav quality to consider rite...
cara main pun lain... u must bumper to bumper then can beat...
u know rite..
peace  icon_rolleyes.gif
*
bro.....i spoke about loudness....not bassiness

how achieve SQ nirvana....first....ur ears and music feeling gotta be there
understanding the tempo, feeling of the musical notes
hahahahahahahaha

the defination of SQ is just to subjective to argue....one man's ears r just different from another
so how can u compare?

SPL is something measured with d db meter...hence it is easier to gauge
TSDaViDcHiN
post Nov 19 2008, 08:54 PM

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QUOTE(Vv.SoViEt.vV @ Nov 19 2008, 09:32 AM)
chill la shessh. Looks like FnF is like Kopitiam now?  hmm.gif
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F&F is won't become Kopitiam if you stop you kopitiam style post. MOD already stop counting our post, you know that?


Added on November 19, 2008, 8:57 pm
QUOTE(ckmoy007 @ Nov 19 2008, 02:43 AM)
1x 12" can generate huge bass too, like if u r using Helix SPXL 12, can whack up to 140dB with single sub. it's not the number of dB or subs... it's the quality of bass needed in a SQ setup, precise, accurate, fast and able to play low as well, not necessary loud. While SQL, u gotta be loud while maintaining SQ, so, most will sacrifice on bass, use subs that can hit hard and low, especially those with heavy diffuser and large voice coil... can check through the sub specs, there's a unit call Qts and XMax, the larger the number of Qts, the heavier the diffuser, the larger the XMax, the excursion of the sub is larger, hence moving more air. they can go loud and low but they are not speedy. so, the choice is always urs on how u wan to set ur system.
correct me if i am wrong. smile.gif
*
Do you mean 2 sub can produce more solid bass than 1 sub? But 2 sub very expensive man.... doh.gif

This post has been edited by DaViDcHiN: Nov 19 2008, 08:57 PM
halia_merah
post Nov 19 2008, 09:24 PM

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so..wat is de creteria in SQ tat they take for competition?

jimmylim85
post Nov 19 2008, 11:27 PM

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besides SPL stands for Sound Pressure Level already clear our mind that the higher the pressure as in sense of dB level is the winner.
ckmoy007
post Nov 20 2008, 01:15 AM

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QUOTE(DaViDcHiN @ Nov 19 2008, 04:54 PM)
F&F is won't become Kopitiam if you stop you kopitiam style post. MOD already stop counting our post, you know that?


Added on November 19, 2008, 8:57 pm

Do you mean 2 sub can produce more solid bass than 1 sub? But 2 sub very expensive man....  doh.gif
*
2 sub is louder than 1 sub (given the same model and size of sub). but bass solid or not depends on the sub's and tuner capability regardless of how many subs u have.

QUOTE(halia_merah @ Nov 19 2008, 05:24 PM)
so..wat is de creteria in SQ tat they take for competition?
*
there's a lot of criteria taken account for... like staging's width, depth and height, position of singer, bass coming from front or back, accuracy to hit every note, and etc...


Added on November 20, 2008, 3:50 amQuoted from another forumer:
Loudness is no substitute for musicianship, and partial deafness is no badge of honor.

This post has been edited by ckmoy007: Nov 20 2008, 03:50 AM
MobyDick
post Nov 20 2008, 11:28 AM

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QUOTE(ckmoy007 @ Nov 18 2008, 03:02 AM)
that is call 'pink noise', means there is distortion in ur system. u r more suitable to SQL, means half half. simple, get a decent HU and front component, and add 2x 12" subs at the back. there u go... smile.gif just mid end system will serve will real well, can enjoy music and show off whenever u wan to... tongue.gif
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Thought 'Pink Noise' are only use for SQ tuning when we hook-up to the 30-band RTA. My opinion for SQ bass has always been to utilise single woofer configuration avoiding cancellation as no 2 woofer are produce with exact performance re-production within a small confine space of a car & we are also not goin in-car db beyond 120 for this application.


hushymushy
post Nov 20 2008, 02:44 PM

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well i heard very good SQ with 2 subs...but they were scanspeaks!
kenlimfornication
post Nov 21 2008, 09:31 AM

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So, how does roadside SPL people have db metres?
ckmoy007
post Nov 21 2008, 02:42 PM

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i saw some handheld SPL meters before, something like the old 'tai kor tai' handphone. although not so accurate but roughly can give u a reading.
adriankhoo153
post Dec 19 2008, 10:48 PM

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Now i baru understand bout SPL and SQL. Good info. I guess i am those SQL lover too. I dun like heavy deafening boom boom sound. I am more into power vocal like Billie Holiday type.
howiechoo
post Dec 20 2008, 12:00 AM

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think about it deeply, is it really SQL we should call for a loud n clear system? i would called it performance audio

while

SQL = sound quality level
SPL = sound pressure level
HPA = high performance audio

my mind telling me these make more sense.
ckmoy007
post Dec 20 2008, 02:24 AM

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SQL= Sound Quality Loud
i think it's more appropriate
HPA can be SPL or SQ, both can be very high performance.
howiechoo
post Dec 20 2008, 12:09 PM

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typical malaysian english

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