Mortite or MD Cord Weatherstrip

thejck
thejck Posts: 849
edited October 2010 in DIY, Mods & Tweaks
I went to Home Depot today and could not find Mortite. They had this stuff called MD Cord Weatherstip. It looks like mortite but maybe is a little grayer that the pictures posted here. The box is purple.
Is this the same stuff or should I go back out and look for mortite?
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  • Ricardo
    Ricardo Posts: 10,636
    edited September 2010
    I would not change the original gasket material. But that's just my opinion.
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  • Toolfan66
    Toolfan66 Posts: 17,304
    edited September 2010
    It works the same. I have used it..
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  • kawizx9r
    kawizx9r Posts: 5,150
    edited September 2010
    thejck wrote: »
    They had this stuff called MD Cord Weatherstip. It looks like mortite but maybe is a little grayer that the pictures posted here. The box is purple.
    Is this the same stuff or should I go back out and look for mortite?
    TOOLFORLIFEFAN wrote: »
    It works the same. I have used it..

    I've used it too and it works great.

    If you don't plan on taking your speakers out anymore, go for it but if you do it might be a PITA depending how much you put on.

    You could also use this stuff -

    http://www.parts-express.com/pe/showdetl.cfm?Partnumber=260-542

    http://www.parts-express.com/pe/showdetl.cfm?Partnumber=260-540
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    heiney9 wrote: »
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  • heiney9
    heiney9 Posts: 25,197
    edited September 2010
    MD works just the same and I highly recommend it over the very aged gaskets. Try to get it flat before tightening the screws and do screw everything back together carefully and try to tighten the screws in a criss-cross pattern.

    See post starting at #171

    http://www.polkaudio.com/forums/showthread.php?t=51420&highlight=upgrade&page=6

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • Ricardo
    Ricardo Posts: 10,636
    edited September 2010
    heiney9 wrote: »
    MD works just the same and I highly recommend it over the very aged gaskets.

    Oh, I agree on that, and that's why I said "original gasket material". If they are worn out, cracked, etc, you can use new of the same type of gasket material. I really don't think you'd get that much of a better seal using mortite, and I would definitely avoid the mess.
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  • heiney9
    heiney9 Posts: 25,197
    edited September 2010
    Ricardo wrote: »
    Oh, I agree on that, and that's why I said "original gasket material". If they are worn out, cracked, etc, you can use new of the same type of gasket material. I really don't think you'd get that much of a better seal using mortite, and I would definitely avoid the mess.

    Ricardo, have you tried it? It's not messy at all. I think it does a great job, I haven't compared it to "new" original gaskets but I'm more than happy with the results and if Matt and Raife say it works, then I'm confident it's worthwhile :).

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • Ricardo
    Ricardo Posts: 10,636
    edited September 2010
    Brock, I have not tried it, and I don't think I will. Hard to believe there would be an audible difference. Of course it wouldn't be the first time I've been wrong.
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  • thejck
    thejck Posts: 849
    edited September 2010
    It seems like there are 2 sides of the fence with doing the mortite. I think I am going to go ahead and give it a shot and save my rings for the future in case I feel like I want to try it the other way around.
    I am also doing Larrys rings btw.
    I saw where Larry suggested applying polyurethane on the baffles to prevent the mortite ruining the wood. I will give that a shot since I have extra poly urethane lying around.
    Has anyone experimented with coating the entire inside of the cabinet with it to prevent the fiberboard from eventually breaking down?
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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    Ricardo wrote: »
    I would not change the original gasket material. But that's just my opinion.

    Agreed! Unless the gasket is warped or disintegrating. I've only used a sealer on my PRs and any MWs where the original gasket is as described above. Even if the original gasket is torn, you can still use it with fine results.
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  • Toolfan66
    Toolfan66 Posts: 17,304
    edited September 2010
    The only way it will break down is if you get it wet. Look how good it looks in the cabinet 20 years later..
    Polk Audio SDA 2.3tl Fully Hot Rodded. 😎

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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    kawizx9r wrote: »
    You could also use this stuff -

    http://www.parts-express.com/pe/showdetl.cfm?Partnumber=260-542

    http://www.parts-express.com/pe/showdetl.cfm?Partnumber=260-540

    Nooooooo!!! Not to step on your toes but I've tried both thicknesses and they DO NOT couple the drivers to the cabinet plus when I was using it, it was so thick that I couldn't get the allen head screw to make contact with the socket thread and it ended up pushing the socket out of the back of the bezel which was a real pain in that arse to get back in.
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  • iskandam
    iskandam Posts: 704
    edited September 2010
    I Mortited my Forte IIs and the results are well worth the time and hassle. I will do it on every single speaker I have now
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  • kawizx9r
    kawizx9r Posts: 5,150
    edited September 2010
    hearingimpared wrote: »
    Nooooooo!!! Not to step on your toes but I've tried both thicknesses and they DO NOT couple the drivers to the cabinet plus when I was using it, it was so thick that I couldn't get the allen head screw to make contact with the socket thread and it ended up pushing the socket out of the back of the bezel which was a real pain in that arse to get back in.

    Ouch, well good thing you cleared that up!

    I was aware they had a replacement but wasn't sure how thick it was since I've never used it.

    To the OP, don't use it and just stick with Mortite then lol :D
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    heiney9 wrote: »
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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    kawizx9r wrote: »
    Ouch, well good thing you cleared that up!

    I was aware they had a replacement but wasn't sure how thick it was since I've never used it.

    To the OP, don't use it and just stick with Mortite then lol :D

    Or this;

    http://www.parts-express.com/pe/showdetl.cfm?Partnumber=269-300%20%20%20%20%20%20%20%20&FTR=speaker%20sealing%20caulk&CFID=32807426&CFTOKEN=27943747

    It's what I use in lieu of Mortite.
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  • kawizx9r
    kawizx9r Posts: 5,150
    edited September 2010
    hearingimpared wrote: »
    Or this;

    http://www.parts-express.com/pe/showdetl.cfm?Partnumber=269-300%20%20%20%20%20%20%20%20&FTR=speaker%20sealing%20caulk&CFID=32807426&CFTOKEN=27943747

    It's what I use in lieu of Mortite.

    Yeah I saw that too.

    Since you mentioned it, I went back and read an old thread Jesse posted and he said the thickness of the original gasket is a mere 1/64". The stuff I posted above comes in 1/4" and 1/8" :eek:
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    heiney9 wrote: »
    Any clue how to use the internet? Found it in about 10 sec.
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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    kawizx9r wrote: »
    Yeah I saw that too.

    Since you mentioned it, I went back and read an old thread Jesse posted and he said the thickness of the original gasket is a mere 1/64". The stuff I posted above comes in 1/4" and 1/8" :eek:

    LOL!!! Unfortunately it was until after my struggle with that crap and the socket being pushed out that I talked to Jesse and he told me if the gaskets are in good shape, I'm good to go.

    I gotta tell ya, this fat boy, when working on my 1.2TLs, was sweating my ballinis off.
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  • F1nut
    F1nut Posts: 50,654
    edited September 2010
    Mortite or MD Cord Weatherstrip

    Neither.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    Quote:
    Mortite or MD Cord Weatherstrip
    F1nut wrote: »
    Neither.

    Man, you talk too much!:eek::p but when you're right, YOU ARE right!
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  • thejck
    thejck Posts: 849
    edited September 2010
    Ok so now I am confused. Mortite is not a good idea? I have read F1's thread about using the mortite. And I have read DK's thread about the mortite...and I dont really know what to think now. I thought hearingimpared had put it on his speakers as well..

    What can I expect to gain/loose with mortite?

    Is there a recommendation on replacement gaskets if your's are bad instead of mortite?
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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    thejck wrote: »
    Ok so now I am confused. Mortite is not a good idea? I have read F1's thread about using the mortite. And I have read DK's thread about the mortite...and I dont really know what to think now. I thought hearingimpared had put it on his speakers as well..

    What can I expect to gain/loose with mortite?

    Is there a recommendation on replacement gaskets if your's are bad instead of mortite?

    No, no, no Bro, that just Jesse and my experience. There are many, many here who've used the Mortite with great success. So we're just giving you some alternatives. As a matter of fact when Matt Polk and company started out they couldn't afford to have the gaskets made and used Mortite on their products until the could afford the gaskets. So rest easy.:)
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  • heiney9
    heiney9 Posts: 25,197
    edited September 2010
    thejck wrote: »
    Ok so now I am confused. Mortite is not a good idea? I have read F1's thread about using the mortite. And I have read DK's thread about the mortite...and I dont really know what to think now. I thought hearingimpared had put it on his speakers as well..

    What can I expect to gain/loose with mortite?

    Is there a recommendation on replacement gaskets if your's are bad instead of mortite?

    Just do the mortite/md. It certainly won't be any worse. Just make sure you flatten it a bit before starting to tighten the screws and when tightening just be careful and be sure to tighten evenly. I used it and it made a subtle but positive difference.

    Plus if the designer of the speaker recommends it, it can't be all that bad. If you don;t like it, it can easily be removed and you can then try and source original gasket material.

    Really, this is not worth losing sleep over or does it need a long gestation period. It's simple, easy, cheap and effective.

    H9

    P.s. Here's a primer

    http://www.polkaudio.com/forums/showpost.php?p=1307275&postcount=171

    http://www.polkaudio.com/forums/showpost.php?p=1309089&postcount=172

    http://www.polkaudio.com/forums/showpost.php?p=1313505&postcount=173
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • Ricardo
    Ricardo Posts: 10,636
    edited September 2010
    Wow Brock. Who would've thought that mortite required break in!!


    :p
    _________________________________________________
    ***\\\\\........................... My Audio Journey ............................./////***

    2008 & 2010 Football Pool WINNER
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    Thank God for different opinions. Imagine the world if we all wanted the same woman
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  • heiney9
    heiney9 Posts: 25,197
    edited September 2010
    Ricardo wrote: »
    Wow Brock. Who would've thought that mortite required break in!!


    :p

    It did! Everything in this hobby has a break in period. The molecules in the Mortite are not easily excitable so it takes a few days to get them excited to the point where their superior bonding properties are noticable. :p

    I thought you knew that Ricardo :).
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • thejck
    thejck Posts: 849
    edited September 2010
    Thanks guys.. This can get confusing for a noob in SDA world.
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  • Toolfan66
    Toolfan66 Posts: 17,304
    edited September 2010
    Mortite with the rings can't be beat IMO...
    Polk Audio SDA 2.3tl Fully Hot Rodded. 😎

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  • Conradicles
    Conradicles Posts: 6,092
    edited September 2010
    TOOLFORLIFEFAN wrote: »
    Mortite with the rings can't be beat IMO...

    Ditto:cool:
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  • helipilotdoug
    helipilotdoug Posts: 1,229
    edited September 2010
    TOOLFORLIFEFAN wrote: »
    Mortite with the rings can't be beat IMO...

    Double Ditto :D
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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    TOOLFORLIFEFAN wrote: »
    Mortite with the rings can't be beat IMO...
    Conradicles wrote: »
    Ditto:cool:
    helipilotdoug wrote: »
    Double Ditto :D

    Question; wouldn't using Mortite with the rings make it damn near impossible to remove the driver's safely if need be?

    Hahaha, Larry when I run a spell check and it hits your screen name, it suggests DEVOLVING!!! LMAO!
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  • heiney9
    heiney9 Posts: 25,197
    edited September 2010
    hearingimpared wrote: »
    Question; wouldn't using Mortite with the rings make it damn near impossible to remove the driver's safely if need be?

    How? Please explain? Mortite/MD has no adhesive properties. The rings are pressed in from the rear and you're simply using the same type of screws to hold the driver in place. Instead of using the wood to secure the driver there's a durable metal ring to screw into.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • hearingimpared
    hearingimpared Posts: 21,137
    edited September 2010
    heiney9 wrote: »
    How? Please explain? Mortite/MD has no adhesive properties. The rings are pressed in from the rear and you're simply using the same type of screws to hold the driver in place. Instead of using the wood to secure the driver there's a durable metal ring to screw into.

    H9

    Hahaha Brock you answered my question with two questions.

    I was just thing that since the ring is metal as is the stamped edge of the driver making contact that the Mortite would adhere to the point of causing a vacuum. Therefore more pressure would need to be applied to the side of the driver with a screwdriver or whatever to pop the seal.

    Okay, I've not installed my rings yet and haven't really read for comprehension and instructions all the methods put forth on installation. So in my mind the ring is on the side of the cutout that faces the driver, no?

    As Benny Hill said in his skit with him as the German pervert . . . "Learning all the time!"
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