How I rebuilt a 20 year old subwoofer - Tech Stuff Tuesday
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abdelgader mohammedKun oldin
Very nice my brother
Light bud5 kun oldin
How much you charge to recone a sub
EMF Audio2 kun oldin
@Light bud I don't know much about that sub but I'd guess before shipping both ways it would be $190.
Light bud2 kun oldin
It's a tezla 1.5k 15"
EMF Audio4 kun oldin
It depends on what the sub is.
Ryan Moore5 kun oldin
I'd love to recone my Rockford hx2 12...love the tech stuff
KGB21012 oy oldin
Awesome build! You definitely improved the excursion on that sub!
RWL20123 oy oldin
I have an Alpine SWR-1022D with a hole in the surround. Do you know how I could get a replacement surround...? Thanks :)
3d Smack3 oy oldin
Awesome.
joe doval4 oy oldin
I have an old pair of rockford p2 10s. Can u hook me up with a link for where u got the parts
EMF Audio4 oy oldin
uzgo.info/video/3ZRlzYW4ZLB-lHo.html
kidsavage864 oy oldin
If i want to put a 400oz motor on a ab xfl or ap txxbd4 both 12 inch does a bigger motor mean it is louder with more xmaxx
EMF Audio4 oy oldin
The motor weight doesn't mean anything in regards to strength or Xmax. I did a video on how parts aren't universal you should check out as well.
Rome4 oy oldin
How would you like to do a video of you rebuilding my massive audio DMX 15?
EMF Audio4 oy oldin
@Rome Message our Facebook page or through the contact form on our website and we'll work it out.
Rome4 oy oldin
@EMF Audio let me know when and where to ship to ship or hand-deliver. I'm in Greer so I can get it to you pretty quickly.
EMF Audio4 oy oldin
I could do it.
Travis Gulley5 oy oldin
Can lanzar max pro subwoofers be rebuilt
EMF Audio5 oy oldin
Any can, if it's worth it or not is up to you.
thebassgeneratorinc5 oy oldin
I'm very curious due to me having quite a few blown and sagging old gems laying around😊
thebassgeneratorinc5 oy oldin
on reconing tgesub as you did, doesnt it changes the parameters of the sub eith that coil being not the original and the higher round spider? so this would not be the same as the original, although it may out perform it.
EMF Audio5 oy oldin
If it's not identical it will change the parameters. The coil will be the biggest change because of the electrical side of things, the cone and surround can change a little mechanical but if the mass is different (even more than just the coil) it will also have an effect.
mulubi fred5 oy oldin
whats the nane of the glue and the spray stuff
DIY Audio Guy5 oy oldin
I remember crunch from back on the day. Was it any good back then?
EMF Audio5 oy oldin
Not really.
River Alley5 oy oldin
@EMFaudio Coyld you do a video on the 0db, -5db, -10db test tones and explain what it is and what there used for in car audio?
EMF Audio5 oy oldin
That would be a very short video. Maybe I could start a segment of several things that don't warrant a long video together in 1 video.
Ian Price5 oy oldin
EMF I have a older Kicker solo baric classic single vc 12" I would love for you to rebuild!!!!
Ian Price2 oy oldin
I probably be better off buying your lowballer!!!
Ian Price5 oy oldin
Yeah I'll have to call or send a email. Thanks
EMF Audio5 oy oldin
I could possibly do it, but know it doesn't come cheap.
TheSFFV5 oy oldin
I have a set of Lanzar LP15's that need the same treatment. Do you guys offer this as a service? One of them has a loose coil but would love to replace both with an updated fiber reinforced cone.
EMF Audio5 oy oldin
I can do this, but I have to warn you the cost of doing so wouldn't be practical. It would only be worth the value of having working old equipment.
Nelson Mercado5 oy oldin
Good jobs
Brooke Leimgruber5 oy oldin
What's the plan with the fatboy
EMF Audio5 oy oldin
They've already been shipped to the buyer.
Satveer Degun5 oy oldin
Would of not be easier to just turn the terminal around then cross over the leads. If only parts where as cheap in the UK would make a killing on making hybrid budget subs and doing JL subs as plenty cooked ones around
EMF Audio5 oy oldin
You can't "turn the terminal". The positive and negative would be backwards.
Thomas Marshall5 oy oldin
I used to have a set of CR15’s. Back in the day, Crunch made some really sweet subs to go with their Zed amps. Oh how times have changed.
Paul Weston5 oy oldin
I hear you brotha. I used to have a pair of CR12's in a custom particle board box. Ports were tuned perfect. Now, same name, thats it.
El Stefaano5 oy oldin
Why cross the wires under the dustcap????? Turn the connection on the "outside" instead.
El Stefaano5 oy oldin
@EMF Audio Yes i know the left and right standard. But it was only a way to not having to cross the wires , and get the + and - connetions correct.
EMF Audio5 oy oldin
@El Stefaano The markings are only on 1 side, and they're by color. Industry standard is positive on left, negative on right so I do it the right way. You would never know the difference if I didn't do a video on it.
El Stefaano5 oy oldin
@EMF Audio At 11,50 you say posetive on voicecoil is on right side and the connection/teminal/tensillead posetive is on the left side. So you have to cross them. I guess we can agree on that. :) If we dont cross the wires - and + will be wrong on the terminal/outside connection (dont know the english word for it) , but if you turn the terminal/outside connection 180 degrees the markings on the terminal/outside conectins will be correct. And you dont have to cross the wires. When the terminal is turned the + connection/tensillead will also be on the right side at the voicecoil.
EMF Audio5 oy oldin
I think I understand what you mean, it just doesn't work that way. The pos and neg are just posts I solder onto. If you don't swap the wires it doesn't change anything but the label.
El Stefaano5 oy oldin
@EMF Audio I mean you remove the connection (the goldplated connection on the outside) and turn it 180 degree and mount it back again. Then you can connect the + and - to + and - on the outside connetion without crossing the wires under the dustcap. Hope you understand what i mean.
DeBoSS2125 oy oldin
can you rebuild the Rockville. with upgraded parts ???
EMF Audio5 oy oldin
@DeBoSS212 I'd have to buy another one to do that, the other is gone.
DeBoSS2125 oy oldin
EMF Audio yeah I know it wouldn't be a good sub either way. it would have just been fun I guess. but if u can do a sub upgrade and show difference in power handling of any would be super
EMF Audio5 oy oldin
I could if I still had it, and it would improve, but it still wouldn't be good.
justforlaughs89885 oy oldin
so why didn't you make it into a dual voice coil woofer? I'm guessing you could of but just wanted to keep it original? thanks and I love your work I hopefully be doing this to my old MA audio 10inch woofer
justforlaughs89885 oy oldin
OK well thank you very much sir and love love love your videos keep it up!!
EMF Audio5 oy oldin
That's why I recommended fixmyspeaker.com they may have what you're looking for.
justforlaughs89885 oy oldin
OK where do you get your parts from? my sub is the older version of the ma audio ma100xe it's a dual 4ohm 300watts rms with the 600w stamped on the back of the magnet I believe it's a 2.5inch voice coil but would need to measure it before I by parts however I have never rebuilt a sub but I'm very good with my hands I'm a commercial electrician by trade and I've rebuilt motors and Transmissions so I have steady hands and I can pay attention and I have all the tools I just need to get supplies in material but do not know where are the best selection of a quail or parts would be and that's what I was hoping you would recommend a site to order from
EMF Audio5 oy oldin
@justforlaughs8988 Pictures wouldn't be enough for me to tell you. You can try fixmyspeaker.com with measurements you take from what you have and make your best judgement.
justforlaughs89885 oy oldin
Could you do me a huge favor sir could I please send you a couple of pictures to an email for you to take a look at and tell me where I could get a recoil kit for my woofer It would be greatly appreciated
PURESOUND45 oy oldin
Just curious how the T/S parameters on the new sub compare to the original?
EMF Audio5 oy oldin
I didn't bother to break it in and get specs. I thought about it but I've been busy and just wanted to get them done and out the door.
cookiemonsta2125 oy oldin
I had a crunch fat boy 15 that I blew a few weeks ago, Isn’t fully blown but just sounds terrible :(
Kevin Burzynski5 oy oldin
👍
Bob Ross5 oy oldin
I'm curious to why if you are using a DVC coil then why not convert the sub into a DVC sub. I'm figuring that adding another set of terminals would be easy enough.
EMF Audio5 oy oldin
It wouldn't keep it original though. I could have more easily just used a new dustcap too.
Hayden Windmiller5 oy oldin
Hey can you repair shifted motors? Would be happy to send them in.
EMF Audio5 oy oldin
We are not equipped to do that.
Alan Hilder5 oy oldin
The subs in my car are over 20 yo with no problems, been in .many different cars, same subs. Converting to a single voice coil, if the individual coils are 4 ohm, you wanted a 8 ohm speaker, not a 2 ohm. You could have specified what the coils are and reminded viewers for system matching.
Alan Hilder5 oy oldin
@EMF Audio thanks. It wasn't in the vid and I just wanted clarification
EMF Audio5 oy oldin
The sticker on the motor says "4 ohm" so a dual 2 was used. Believe it or not, I know what ohms law is.
Anton Albert5 oy oldin
cool build, I still wonder why you crossed the leads on the coil to the leads on the spider instead of swapping the input posts on the basket..
EMF Audio5 oy oldin
Yes, always. Look at EVERY speaker, pos and neg are always in the same spot. That still wouldn't change how the terminals are labelled, which would have been backwards. I'm a fan of doing things the right way, not the quick or easiest way.
Anton Albert5 oy oldin
@EMF Audio "always" nope .. it's a good guideline or a rule of thumb, but I'd never have considered crossing the leads under the dustcap with all things considered just to keep that as a guideline.. 😉
EMF Audio5 oy oldin
Because then the terminals would be wrong. Positive is always on the left, negative is always on the right, and they're labelled as such.
1trucavalier5 oy oldin
Crunch!
Cristian Zaina5 oy oldin
Mesmerizing to watch
Jeremiah Montgomery5 oy oldin
Weren't them bolt on push terminals could you have just swapped the them around instead crossing the wires in the dust cap
Jeremiah Montgomery5 oy oldin
I understand know
EMF Audio5 oy oldin
The idea was to keep it original as possible. Swapping wires would make the terminals wrong.
Zachary Stevens5 oy oldin
Do you sell parts for people to do this at home? I have 2 jl audio w4-4 I want to rebuild with newer parts so it can have the most excursion and handle a little bit more power
EMF Audio5 oy oldin
We do not.
Encrypted BuNny5 oy oldin
Fantastic video I'm glad I subscribed long time ago 👍👍👍👍
ashton tuttle5 oy oldin
@EMF Audio you didn't have to cross the leads from the voice coil you could have just switched the push terminals on the outside so you didn't have to worry about them touching so much, just a friendly tip
EMF Audio5 oy oldin
I could have, but then negative would be on the left and positive would be on the right and that's the opposite of industry standard, it would also be backwards of how it's labeled. I'd rather do it the right way than the easy way.
Daniel Yepez5 oy oldin
Anyone knows what the black glue and accelerator's name is? I would like to get it here in Mexico, because we don't have specialized speaker shops.
Glen Webster5 oy oldin
would it not be/have been easier to reverse the polarity at the connecting post on the basket
KGB21012 oy oldin
To add to what Sean already pointed out and you answered your own question. Reverse polarity.
EMF Audio5 oy oldin
It would have been easier, and wrong.
kierrasdaddy5 oy oldin
Is that the same sub you used in the FLXX Audio thermal test video?
kierrasdaddy5 oy oldin
EMF Audio, let’s you know how long I have followed You. I remember that whole “FLXX Audio” thing, sorta like Rockville
EMF Audio5 oy oldin
@kierrasdaddy If it was a Fatboy, it was that one or the other one I rebuilt (not on video).
kierrasdaddy5 oy oldin
You used that sub in the video, maybe not that exact one but another identical one
EMF Audio5 oy oldin
I don't even remember what's in that video, it was forever ago.