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Funky Waves Audio - Official Thread (Prebuilt and Custom Subs) - Page 18

post #511 of 703
Quote:
Originally Posted by ZivkoF View Post

With neo magnet is higher BL and that allow for a quicker responce, which is great for music.

Yes a neo magnet can have higher magnetic flux, which contributes to higher BL.

My earlier point was the weight of the neo magnet itself has nothing to do with it. Just so happens that since a neo magnet can have higher magnetic flux, the magnet mass can be lower compared to a normal ferrite magnet.
post #512 of 703
Quote:
Originally Posted by ZivkoF 
With neo magnet is higher BL and that allow for a quicker responce, which is great for music.

A higher BL does not result in "quicker response".
post #513 of 703
Quote:
Originally Posted by OllieS View Post

A higher BL does not result in "quicker response".
+1. For that matter, nothing gives 'quicker response', as there's no such thing. There are differences in the transient response of speakers, but where subwoofers are concerned it doesn't matter, as you can't hear transient response below 80Hz. And where transient response is concerned, it is not affected by the magnet material.
post #514 of 703
error
Edited by rcov - 4/15/13 at 1:50pm
post #515 of 703
Quote:
Originally Posted by manwithnocape View Post

FA would be the ones to talk about it. but i think im the only one with that driver. it is an expensive driver, but it depends on what you want out of your sound. my system is for sale b/c i want to upgrade.
You mentioned that you may want to upgrade, manwithnocape. Is that still a possibility? I've learned a lot from your posts. What do you have now? And what would you get?
post #516 of 703
error
post #517 of 703
BL

Has two components.

B is an expression for flux density.

L is the expression for length of wire.

So with the same coil ( length of wire on the voice coil winding ) and a magnet that is properly sized you will get the same BL. Be it a Neo magnet or a ferrite magnet.

A high BL or even a very high flux density is not always what you are after.

Remember that a loudspeaker motor is also a generator. As in it produces voltage to. The stronger the motor force the greater the resistance to movement in terms of voltage generated. This is called back emf ( Electro Motive Force).

What you get is a very sensitive driver that has a really low Qts and a high Fs. Little to no bass output in anything sized smaller than a phone booth.

Years ago I did a driver with a Qts of 0.18 and an efficiency of 108db/watt. But it had to be horn loaded to get any bass out of it.

We used a piece of Neo the size of a hockey puck. Very strong motor. Very little bass.





Mark Kravchenko

www.kravchenko-audio.com
post #518 of 703
We are pleased to announce the we will be exhibiting at Rocky Mountain Audio Fest, Oct 11-13, 2013. Anyone interested in seeing and hearing our products please come and visit us in room 8012.

We will have some new speakers at the show, more information for these will come in a couple months, as well as a power level 2 18.2 subwoofer, a set of 8.2.P's and at least one other subwoofer, we are open to suggestions as to what subwoofer from our lineup you would like to see us bring.
post #519 of 703
I'll be there to!
post #520 of 703
Quote:
Originally Posted by Funky Waves View Post

We are pleased to announce the we will be exhibiting at Rocky Mountain Audio Fest, Oct 11-13, 2013. Anyone interested in seeing and hearing our products please come and visit us in room 8012.

I look forward to meeting you & Mark! I'm anxious to take a gander at your 18.2. (I already know what your 18.0 and 15.0 x2 sound like since they're right downstairs.)

Drop me a line if you'd like to visit to Casa de Henrich while you're in Denver. It would be my pleasure to ply you with enchiladas, cervezas, and a few Funk Audio-enhanced movies & concert videos while you're here!
post #521 of 703
Hey Everyone, thought I'd post some pictures of the 18.0 I ordered from Nathan. I put in my order at the end of Dec 2012 and received it in the beginning of April - took about a month longer than originally expected as he's been busy and I asked for a bit of custom work.

Anyways, it's a passive 18.0 TSAD18v1 being run by a Behringer 3000DSP. The finish is a black ash stained black colour matched my existing polk speakers with a maple inlay on the top. Oh, and a magnetic grill cover.

So far sounds great, had to do some low end boosting but sitting about 15' away in an open basement (4200 cubic feet) it has more than enough punch. With the little testing I've done with my omni mic it can hit 116dB in movies around my sitting position and there would still be room left to turn it up if need be.


24"x24"x24" shipping box:











post #522 of 703
That looks very nice!
post #523 of 703
How are u liking it so far
post #524 of 703
I love that little Funk symbole on the top.
post #525 of 703
Me to.
post #526 of 703
Quote:
Originally Posted by rcov View Post

You mentioned that you may want to upgrade, manwithnocape. Is that still a possibility? I've learned a lot from your posts. What do you have now? And what would you get?

Have: two 8.1P's which are now not available.... the good lord only knows why b/c these things are insanely good. and a single 18.0. 3 channel built in Funk amp.

I want:
dual active 18.0's or dual 18.3's and two 8.2P's with active crossovers. all funk rack amps b/c i like the way they look.
why? i like headroom. when a speaker is not inhibited by passive crossovers, you have control over how it is behaving, the manufacturer uses the best parts, and you have the means to dictate its behavior... you have successfully given yourself every edge you need to obtain excellent sound. what i like about funk amps is; they advertise what they can actually do, they are very strong, and never get hot.

the other weekend i DJ'ed a party in a 8000 cu ft room in Gas Town Vancouver with my modest little stereo. and it held up to the point of impressing everyone there and upsetting the neighboring restaurants. I was even told to turn down the bass..... not just the stereo, but the bass was too much. i was even impressed to the point i emailed Nathan half way through the night. i dialed in the system and i was off and running like chop chop... maybe 30 min from getting the crates in the door. in all the experience ive had, i have never had a stereo that has been this easy to set up, dial in, and get rolling. Funk makes it too easy to get amazing sound, not just subs but the whole thing. for me there is just no reason to look for anything else.
post #527 of 703
I'll have to agree with the bass part. Initially I was having a little trouble getting the level and extension where I wanted. Luckily Nathan had varying presets that he emailed to try and dial in the subwoofer to help me achieve my goals At that point I started moving the subs a little to see if I could get some improvements (6 inches to a foot toward or away from a wall or closer to the corner) which seemed to help a little. My wife basically limited location to a great deal. With all this adjustment, I would say I was very satisfied.....however whenever I played films that had high levels of output at crazy low frequency (sub 10hz in movies like How To Train Your Dragon or Immortals) the subwoofers felt as though they were struggling and threatened jumping into protect mode and shutting down. I brought this up to Nathan and he mentioned that I may have a low voltage situation which was really pushing the amp hard (the lights in my room were dimming significantly). I finally got around to contacting an electrician to roll down a dedicated 20amp circuit to the subs. The difference was simply unreal. Now it seems as though the subs don't even break a sweat. The low frequency extension and output is simply on another level than before. I was very satisfied before but now I'm just speechless.

I'm likely to be ordering new fronts and center channel from Nathan within the next month or so. No matter how much I dial down the subs in my current setup they easily drown out everything else.
post #528 of 703
I spent some more time recently adjusting the AllDSP PEQ in my Funk subs. (I've got three subs - two Funks & a Velodyne.) The room has a vaulted ceiling and is open on one side to the rest of the house. Audyssey improves the frequency response somewhat, but it's not close to ideal. Tweaking AllDSP can make significant improvements above & beyond what Audyssey provides.

The procedure that yielded the flattest response was to disable Audyssey, measure & adjust each sub individually, run the Audyssey setup and make post-Audyssey config changes (speakers to Small, crossovers to 80 Hz, disable Dynamic EQ and Dynamic Volume, add several dB gain to each sub channel), then fine tune the AllDSP adjustments while monitoring the three sub combined response. Here's the result:



The sound quality is the best I've heard. I can raise the volume as loud as my ears can handle and the subs seem to loaf along with no signs of distress. The Funk subs continue to impress... smile.gif
post #529 of 703
Quote:
Originally Posted by club968 View Post

I'll have to agree with the bass part. Initially I was having a little trouble getting the level and extension where I wanted. Luckily Nathan had varying presets that he emailed to try and dial in the subwoofer to help me achieve my goals At that point I started moving the subs a little to see if I could get some improvements (6 inches to a foot toward or away from a wall or closer to the corner) which seemed to help a little. My wife basically limited location to a great deal. With all this adjustment, I would say I was very satisfied.....however whenever I played films that had high levels of output at crazy low frequency (sub 10hz in movies like How To Train Your Dragon or Immortals) the subwoofers felt as though they were struggling and threatened jumping into protect mode and shutting down. I brought this up to Nathan and he mentioned that I may have a low voltage situation which was really pushing the amp hard (the lights in my room were dimming significantly). I finally got around to contacting an electrician to roll down a dedicated 20amp circuit to the subs. The difference was simply unreal. Now it seems as though the subs don't even break a sweat. The low frequency extension and output is simply on another level than before. I was very satisfied before but now I'm just speechless.

I'm likely to be ordering new fronts and center channel from Nathan within the next month or so. No matter how much I dial down the subs in my current setup they easily drown out everything else.

this is true. if you know what you need to run your gear correctly, funk will take gold every time. things like 20 amp dedicated circuit, or all the power you need to not starve your equipment, and doing a sub crawl, and the list goes on... these are things that audio nuts like us are not afraid of doing or getting the appropriate tradesman to do the job. I have 20 amps to my amp too, and even when the sub is turned off (my funk amp runs my mains), the sound is still pleasant and good to listen to. they just make excellent stereo equipment.
Edited by manwithnocape - 5/3/13 at 9:58pm
post #530 of 703
Quote:
Originally Posted by henrich3 View Post

I look forward to meeting you & Mark! I'm anxious to take a gander at your 18.2. (I already know what your 18.0 and 15.0 x2 sound like since they're right downstairs.)

Drop me a line if you'd like to visit to Casa de Henrich while you're in Denver. It would be my pleasure to ply you with enchiladas, cervezas, and a few Funk Audio-enhanced movies & concert videos while you're here!

dont do it man, they'll just end up tuning your system. they did it to me..... no wait...... do it, invite them and your HT will never sound better!!!
post #531 of 703
Quote:
Originally Posted by manwithnocape View Post

dont do it man, they'll just end up tuning your system. they did it to me..... no wait...... do it, invite them and your HT will never sound better!!!

biggrin.gif
post #532 of 703
Which model sub is the most beastly? What are the dimensions? Price?
post #533 of 703
I believe the 18.2 is Funk Audio's most beastly "standard" model:

http://www.audioholics.com/reviews/speakers/subwoofers/funk-audio-18.2

Since Nathan's a custom sub maker you should be able to order an even more outlandish sub if you tell him what you want & give him sufficient dinero to build it...
post #534 of 703
Quote:
Originally Posted by thebland View Post

Which model sub is the most beastly? What are the dimensions? Price?

18.2 - the bass was so intense, it literally made me slightly nauseated. i would put it on par with dual 18.3's + dual 18.0's... which i have heard. the 18.2 violates it's listeners, it imposes bass upon you, and if you say "no thanks", it tells you to shut the f*** up. it's like getting pistol whipped with a howitzer.
post #535 of 703
^^^
I think that's the best scientific description of a sub's capabilities that I've ever read.
post #536 of 703
Quote:
Originally Posted by henrich3 View Post

^^^
I think that's the best scientific description of a sub's capabilities that I've ever read.

Thank you. I find words fun to mess around with.
post #537 of 703
Quote:
Originally Posted by henrich3 View Post

I believe the 18.2 is Funk Audio's most beastly "standard" model:

http://www.audioholics.com/reviews/speakers/subwoofers/funk-audio-18.2

Since Nathan's a custom sub maker you should be able to order an even more outlandish sub if you tell him what you want & give him sufficient dinero to build it...

Good to know. I already own subs that will get very loud down to 25 Hz. I plan on keeping them.. Has anyone bought one of these to use only for the lowest low end - say 25 Hz and lower?

I notice on the website, certain DSP configurations can void the warranty. How is that determined and if I want to boost the lowest frequencies 5-6 db (from 10 Hz - 25Hz) - can the sub handle it / void warranty?

* Also, are the supplied amplifier(s) outboard or internal?
Edited by thebland - 5/5/13 at 7:00am
post #538 of 703
Quote:
Originally Posted by thebland View Post

Good to know. I already own subs that will get very loud down to 25 Hz. I plan on keeping them.. Has anyone bought one of these to use only for the lowest low end - say 25 Hz and lower?

I notice on the website, certain DSP configurations can void the warranty. How is that determined and if I want to boost the lowest frequencies 5-6 db (from 10 Hz - 25Hz) - can the sub handle it / void warranty?

* Also, are the supplied amplifier(s) outboard or internal?


18.2 Funk Audio's subwoofer is supplied only with outboard amplifier(s) smile.gif
post #539 of 703
Quote:
Originally Posted by thebland View Post

Good to know. I already own subs that will get very loud down to 25 Hz. I plan on keeping them.. Has anyone bought one of these to use only for the lowest low end - say 25 Hz and lower?

I notice on the website, certain DSP configurations can void the warranty. How is that determined and if I want to boost the lowest frequencies 5-6 db (from 10 Hz - 25Hz) - can the sub handle it / void warranty?

* Also, are the supplied amplifier(s) outboard or internal?

if you are considering things below 10 hz. look at the XXX beast that Nathan built for Data Bass. Im sure he can build you a "all frequencies below 25" monster. or you can go 18.2.
i use my 18.0 for everything from 157 to 10, and it hits 126 db at 10 on a regular basis.

the thing about funk audio is that he makes subs that act as speakers, they have a massive range. if you want to go low only, your best bet is to talk to him about it. he will tune your sub for you and/or find the best possible option for your point of interest. the guy is unbelievably helpful and takes care of all of his customers really well, chances are you will end up becoming buddies. thats what happened with me and nathan.

his DSP voiding warranty is an extreme case scenario. any FA owner out there will tell you that they can push their funk to the point of making them sick and it will keep on going.

yes, the 18.2 amp is a rack amp only.

IMO, if you buy a funk sub, you will not be disappointed.
post #540 of 703
20 Hz is the lowest adjustable frequency in the AllControl software. The AllDSP settings in my Funks are both configured with 8 dB of gain (Q 4) at 20 Hz, which provides a respectably flat FR down to 16 Hz in my room. I've heard nothing but great sound coming from the Funks with that amount of gain. A stress test of my AllDSP settings included some max volume WotW pod emergence scene mayhem. If the Funks can handle that scene without any sign of distress they should be able to laugh off anything else I throw their way. The Eagles Farewell I Tour BD has a powerful low end and it sounds fantastic with my current AllDSP settings.
Edited by henrich3 - 5/5/13 at 12:56pm
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