12" surround alternitive project

cant wait any longer, I want my plats working.....
I can always redo them when correct size replacement surrounds become available....
I found that surrounds for AR11 fit the ID perfectly...


cleaned up the old surround, used a small grinder to put grooves into the steel


adapter ring to reduce to the OD of the AR 11 surround
cut these on the lathe in stacks of 4, made a hell of a lot of noise, came out nice
again used a grinder to groove them up so the epoxy will have a better bite


what it will look like when in place


AR 11 foam surround sitting till I find the glue I need


clamping rings I rolled


rings as they sit before gluing and clamping
wiped the parts with acetone


gluing in place with epoxy

next will be the gluing of the surround, any ideas on a good glue to use?

Not sure....but looking good!!

Hey Mike! Good to chat with you this week~

I'm concerned the surrounds you're using won't have the necessary excursion capability, but at lower volumes I'm sure they'll be sufficient; good for you for trying something new!

thanks again for your help!

There are a number of things at play here, excursion being only one. If you read the literature on the making of the Amazings, you will note that Carver had to go over to Asia to convince the OEM manufacturer of the woofers that that's what he really wanted. His approach to getting the right output from those woofers required that the cone mass be vanishingly small, and I'm sure that included the surround being very light and pliable.

Hey Mike just got an email from Ada she is asking me if I need any more woofers because I bought 7 of them and needed one more but got one from one of our members here that was not using it. This must mean they have some in stock I would call them up and see! Eddie!

Yep Guys!

Orevox just got a fresh batch of 12" Woofers and I am going to get 2 (may be 4) while supplies last.

I spoke with Ada and told the supply is limited now but still available. Price is $49.99 each plus shipping and mention TWIT to get that price.

Check out the site below for the info.

http://twitter.com/dynavox

I just wanted to let everyone know the butyl rubber surrounds are in the works.
I have sent the drawings off to a guy, that will be making the metal mold for it.
Then they will go into production.

2-3 weeks, and we should have new surrounds in hand.

I'll post more as info comes in.

Hey Mike just got an email from Ada she is asking me if I need any more woofers because I bought 7 of them and needed one more but got one from one of our members here that was not using it. This must mean they have some in stock I would call them up and see! Eddie!

Are these things NEW... or new OLD stock ???

If they are NOS, than they are just as old as the ones that are falling apart ??

I just wanted to let everyone know the butyl rubber surrounds are in the works.
I have sent the drawings off to a guy, that will be making the metal mold for it.
Then they will go into production.

2-3 weeks, and we should have new surrounds in hand.

I'll post more as info comes in.

Good News, James! I thought the rubber surrounds aren't going to happen. Prove me wrong. I am still in for 20 but I will get some new woofers while they are still fresh.

Positive turn of events... meeting the right person.

haven't glued the surround on, I can wait some more, got a lot of other things to keep me plenty busy....
that will be cool, I did a search a while back " how are speaker surrounds made"
didnt come up with a thing...is this a trade secret....
dont make me send over the Russians.....

I need 8 for sure and are the silvers the same specs on the surrounds? then it would be 14....

I just wanted to let everyone know the butyl rubber surrounds are in the works.
I have sent the drawings off to a guy, that will be making the metal mold for it.
Then they will go into production.

2-3 weeks, and we should have new surrounds in hand.

I'll post more as info comes in.

I plan to remove my woofers and clean all the old rotten surrounds off the cone and frame so there ready! They are wasted anyway and un-usable so no biggie.

Once they are done do you think I should re-wire with Higher gauge wire or stick with Bob's Original set-up?

I just wanted to let everyone know the butyl rubber surrounds are in the works.
I have sent the drawings off to a guy, that will be making the metal mold for it.
Then they will go into production.

2-3 weeks, and we should have new surrounds in hand.

I'll post more as info comes in.

I plan to remove my woofers and clean all the old rotten surrounds off the cone and frame so there ready! They are wasted anyway and un-usable so no biggie.

Once they are done do you think I should re-wire with Higher gauge wire or stick with Bob's Original set-up?

Hey James, I would stay with the original wires as per Bob's comment at the fest. He said " when designing a circuit all factors are considered so if you need a specific resistance then the wire is part of that and changing the wire will change the sound & IF YOU like it then O.K. but it will not be what the designer intended"

Personally I think what the "designer" intended is excellent, so why mess with it?

Update, Mike?

I just wanted to let everyone know the butyl rubber surrounds are in the works.
I have sent the drawings off to a guy, that will be making the metal mold for it.
Then they will go into production.

2-3 weeks, and we should have new surrounds in hand.

I'll post more as info comes in.

will wait and see in a few weeks......

got a lot of other projects going on, so this can wait.....