A stupid question about subwoofers

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A stupid question about subwoofers
Posted on: 17.05.2012 by Rebbecca Fennell
Finally got some quality monitors at home, replaced the stereo hifi with some krks, and I'm just wondering - its probably not worthwhile to use an aiwa home stereo subwoofer with the krks if I want a clean accurate representation of the mix, true or false?
Lela Umanskaya
18.05.2012
Originally Posted by Ashigari
I thought about building my own "little" sub after reading this site: http://billfitzmaurice.net/TT.html
Not the right box for the job at all, you would be streets ahead to buy the KRK sub, those companies spend lots of dollars to make sure that their systems interact in a pleasing way.
Julius Schoenhofer
18.05.2012
Originally Posted by Ashigari
Am I correct in believeing that running my active KRK 5s will be no problem with a passive sub using a crossover and amp? I'll look into the cost of building this but it shouldn't be too bad, the sub will be overkill for my place but building it will be fun
As long as you run a high pass crossover with the KRKs and a low pass with the sub it should be fine.

Originally Posted by Ashigari
I might have to rebelieve my whole speaker placement as they are in my living room usually used to listen to music by me and my roommates, might want to hook up the TV (for a home theater setup) as well and look for better placement options...facing the DJ isn't really an option. Is putting all speakers on the same side of the room needed or do they just need to be the same distance from the listening spot for best effect? I was believeing about putting the speakers on one side with the sub in a corner...
I'm not sure exactly what you're believeing of doing, but your monitors need to be placed so that you'll be sitting in the sweet spot. You'll need them both roughly the same distance from your ears and spread apart reasonably wide for how far back you're sitting.

As for the sub, its placement depends on the acoustics of your room. Due to the reflection and interference of sound waves, rooms create "nodes" where there'll be lots of bass or no bass depending on whether the waves interfere constructively or destructively, so you'll have to figure out what placement yields the best bass for where you're sitting.
Antonetta Wikel
17.05.2012
Originally Posted by sobi
industry (not so) secret - Hip Hop guys have been using cars to check their final mix for decades. If it will sound good in a car, it will probably sound good in a club.
Yamaha NS-10's, there's a reason you'll see these speakers in a ton of professional studios. If it sounds good on those, it'll sound good on most things.
Romelia Stankard
18.05.2012
Originally Posted by sesshin
http://www.sonicdesign.se/subplace.html

If you hang out on any studio design community s this is fairly common knowledge
I have two KRK 10s subs already- I may have to try this when I get home.

Originally Posted by sesshin
accurate sound and pleasing sound are not the same thing. accurate sound is a flat frequency response from 20hz-20khz. you can get perfectly accurate sound out of studio monitors and room treatment.

99% of the time adding a sub will make pleasing sound, but your frequency response will not be flat. its a good reference for club systems but it isn't what you would call "accurate", which was what the OP was asking for.
Right- but you're not going to get accurate flat low end below 60hz out of most monitors- so a properly set up and tuned sub in a treated room is the best bet.
Bryan Suga
18.05.2012
Originally Posted by JasonBay
And I don't know about the need to have three or even two subs as that can cause even more issues
http://www.sonicdesign.se/subplace.html

If you hang out on any studio design community s this is fairly common knowledge
Rebbecca Fennell
17.05.2012
Finally got some quality monitors at home, replaced the stereo hifi with some krks, and I'm just wondering - its probably not worthwhile to use an aiwa home stereo subwoofer with the krks if I want a clean accurate representation of the mix, true or false?
Lela Umanskaya
18.05.2012
Originally Posted by Ashigari
I thought about building my own "little" sub after reading this site: http://billfitzmaurice.net/TT.html
Not the right box for the job at all, you would be streets ahead to buy the KRK sub, those companies spend lots of dollars to make sure that their systems interact in a pleasing way.
Ruthanne Heiman
18.05.2012
do not eq the room to get a flatter signal. when you eq your output you distort what ever signal you are try to reproduce accurately. speaker placement and crossover points are way more important. what eversub you get make sure the crossover frequency and slope match your tops. if the crossover points dont match up you can cut out or over amplify a bunch of frequencies. Another no brianer for better sound quality is the speaker signal latency to each speaker which can cause phasing and more distorted audio to avoid this make sure all you speakers have the same length cables and recieve the audio signal at the exact same moment for a tight punching responsive sound.
Julius Schoenhofer
18.05.2012
Originally Posted by Ashigari
Am I correct in believeing that running my active KRK 5s will be no problem with a passive sub using a crossover and amp? I'll look into the cost of building this but it shouldn't be too bad, the sub will be overkill for my place but building it will be fun
As long as you run a high pass crossover with the KRKs and a low pass with the sub it should be fine.

Originally Posted by Ashigari
I might have to rebelieve my whole speaker placement as they are in my living room usually used to listen to music by me and my roommates, might want to hook up the TV (for a home theater setup) as well and look for better placement options...facing the DJ isn't really an option. Is putting all speakers on the same side of the room needed or do they just need to be the same distance from the listening spot for best effect? I was believeing about putting the speakers on one side with the sub in a corner...
I'm not sure exactly what you're believeing of doing, but your monitors need to be placed so that you'll be sitting in the sweet spot. You'll need them both roughly the same distance from your ears and spread apart reasonably wide for how far back you're sitting.

As for the sub, its placement depends on the acoustics of your room. Due to the reflection and interference of sound waves, rooms create "nodes" where there'll be lots of bass or no bass depending on whether the waves interfere constructively or destructively, so you'll have to figure out what placement yields the best bass for where you're sitting.
Patty Mcgilbra
18.05.2012
I thought about building my own "little" sub after reading this site: http://billfitzmaurice.net/TT.html

Am I correct in believeing that running my active KRK 5s will be no problem with a passive sub using a crossover and amp? I'll look into the cost of building this but it shouldn't be too bad, the sub will be overkill for my place but building it will be fun

I might have to rebelieve my whole speaker placement as they are in my living room usually used to listen to music by me and my roommates, might want to hook up the TV (for a home theater setup) as well and look for better placement options...facing the DJ isn't really an option. Is putting all speakers on the same side of the room needed or do they just need to be the same distance from the listening spot for best effect? I was believeing about putting the speakers on one side with the sub in a corner...
Julius Schoenhofer
18.05.2012
I'd say if you want to run a sub you're going to need to run a high pass filter on the KRKs to avoid the low end of the monitors interfering with the sub. I used to run 8" monitors with a sub and had to cut the low out of the monitors else the bass was a complete mess.
Birgit Gondal
17.05.2012
loads of producers are testing them through iPod earbuds as well now, and laptop speakers, though they'll be pretty crap for anything that needs ANY sort of bass...
Antonetta Wikel
17.05.2012
Originally Posted by sobi
industry (not so) secret - Hip Hop guys have been using cars to check their final mix for decades. If it will sound good in a car, it will probably sound good in a club.
Yamaha NS-10's, there's a reason you'll see these speakers in a ton of professional studios. If it sounds good on those, it'll sound good on most things.
Darren Teboe
17.05.2012
industry (not so) secret - Hip Hop guys have been using cars to check their final mix for decades. If it will sound good in a car, it will probably sound good in a club.
Romelia Stankard
18.05.2012
Originally Posted by sesshin
http://www.sonicdesign.se/subplace.html

If you hang out on any studio design community s this is fairly common knowledge
I have two KRK 10s subs already- I may have to try this when I get home.

Originally Posted by sesshin
accurate sound and pleasing sound are not the same thing. accurate sound is a flat frequency response from 20hz-20khz. you can get perfectly accurate sound out of studio monitors and room treatment.

99% of the time adding a sub will make pleasing sound, but your frequency response will not be flat. its a good reference for club systems but it isn't what you would call "accurate", which was what the OP was asking for.
Right- but you're not going to get accurate flat low end below 60hz out of most monitors- so a properly set up and tuned sub in a treated room is the best bet.
Bryan Suga
18.05.2012
accurate sound and pleasing sound are not the same thing. accurate sound is a flat frequency response from 20hz-20khz. you can get perfectly accurate sound out of studio monitors and room treatment.

99% of the time adding a sub will make pleasing sound, but your frequency response will not be flat. its a good reference for club systems though, just not "accurate" representation of sound.
Romelia Stankard
18.05.2012
Yeah you definitely want a better studio sub over a hifi sub.

If you got KRK rokkits then a sub can be particularly helpful since the bottom end of the rokkits is pretty boomy and inaccurate while the KRK 10s sub is kind of decent and can make it sound cleaner. Really though you probably want room treatment and bass traps if using a sub or like jason said just toggle it on and off with a foot switch and use it to check. That's what I do at the moment until I get some GIK traps.

You just need to get a room calibration mic for properly setting the sub level- the Behringer ECM8000 is kind of a budget standard and is good despite being behringer. Then you can use spectrum tools to play a known audio sample and adjust the sub until the frequency curve matches (ozone is good for this but lots of stuff works). Also room setup and location is very important (as it is anyway) so if you don't have you desk setup exactly centered between two parallel walls and not shoved into a corner do that before even believeing about adding a sub.
Bryan Suga
18.05.2012
Originally Posted by JasonBay
And I don't know about the need to have three or even two subs as that can cause even more issues
http://www.sonicdesign.se/subplace.html

If you hang out on any studio design community s this is fairly common knowledge
Rebbecca Fennell
18.05.2012
Sweet. Had a feeling it wouldn't really be practical. it's a small untreated room, sounds like before I give any thought to the sub I should do something about the acoustics in this room
Georgina Schatzman
18.05.2012
So yes, I don't see anything wrong with using your sub, just use it to get a snap shot at the end of your mixdown, or just when you in the groove to rock it on the sub once in awhile. Just wouldn't leave it on all the time
Georgina Schatzman
18.05.2012
And I don't know about the need to have three or even two subs as that can cause even more issues
Georgina Schatzman
18.05.2012
It's good to have the sub to monitor what's going on in the lowend, as this is club music you're making (I'm guessing), but I wouldn't leave it on when writing or doing your mixdown. Try and get the best mix down you can without the sub, then at the end turn it on and see how it feels with it.

That's why a lot of studio subs come with a footswitch bypass so you can turn it on and off easily
Bryan Suga
18.05.2012
from my experience, subs can cause more problems than they are worth if you are going for accuracy. room acoustics is most important, and using bass traps would be more effective to making your KRKs sound better. I've heard extremely good sub-bass representation out of 8" woofer studio monitors that were in a room with treatment.

a single sub is more suited for home stereo imo. if you are going for studio accuracy and want subs, its better to 1) treat your room, 2) get a pair of subs (3 is even better), 3) strategically place the subs in your room to minimize standing waves, and then 4) run an EQ analyzer to balance out the frequency spectrum.

most djs don't want to go through all this trouble however.

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