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Mortite

73.223.227.105

Posted on October 5, 2020 at 14:14:36
tweaker456
Audiophile

Posts: 1012
Location: SF Bay Area
Joined: June 20, 2020

"Mortite: Rope caulk is a great vibration-absorbing material for use with internal component chassis, loudspeaker baskets and many other applications (and highly recommended by Herbie's Audio Lab). Not advised for vacuum tubes, however. Mortite and other brands of rope caulk have a high temperature range of only 150F (66C). The material might hold up to the heat of small-signal tubes for an audition or two (which will probably yield good sonic results), but before long, Mortite will turn foamy, smoke and burn, partially vaporize and melt into a pathetic mess (similarly, Blu-Tak has very poor high-temperature range and will melt readily on vacuum tubes)." From Herbie's Audio Lab which specializes in vibration control. Tweaker also thinks this is great stuff for sonic improvement, good on wall plates also. Cheap and easy. It's been brought up before but the stuff is so good I thought it worth a repeat for those who have not tried it yet.








It's a New Dawn It's a New Day It's a New Life-- And I'm Feelin' Good -- Leslie Bricusse

 

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RE: Mortite , posted on October 5, 2020 at 18:59:54
mitch2
Audiophile

Posts: 1498
Location: Great Lakes
Joined: August 28, 2001
Back when I upgraded the drivers in a pair of Alon speakers, Carl Marchisotto recommended I use mortite to seal the new woofer baskets in place. The speaker was an acoustic suspension design so it was important that there be no air loss.

 

RE: Mortite , posted on October 5, 2020 at 19:07:37
rivervalley817
Audiophile

Posts: 3775
Joined: June 15, 2020
it's also good on toast points

 

RE: Mortite , posted on October 5, 2020 at 20:27:10
hahax@verizon.net
Audiophile

Posts: 3737
Location: New Jersey
Joined: March 22, 2006
The seal around a driver in a ported box is just as important as for a sealed box. Ported box designs take into affect something called leakage and it affects the box design.

 

RE: Mortite , posted on October 5, 2020 at 20:40:07
rivervalley817
Audiophile

Posts: 3775
Joined: June 15, 2020
I've used DAP seal & peel on projects forever

it's a little more stealthy with exposed drivers

it can also attach grills intended to be affixed with glue and then they're easier to remove

YMMV no affiliation. etc.

regards,

 

RE: Mortite , posted on October 6, 2020 at 02:48:47
B. Scarpia
Audiophile

Posts: 2327
Location: Near Pisgah Forest
Joined: October 30, 2019
Contributor
  Since:
May 23, 2020



A subtle, but noticeable reduction in coloration on these Plastic Fantastics. Eminence H290C.



Any Damned Fool Knows One Horse Can Run Faster Than Another

 

RE: Mortite , posted on October 6, 2020 at 08:55:49
tweaker456
Audiophile

Posts: 1012
Location: SF Bay Area
Joined: June 20, 2020
Now you're talkin' my kinda language B.

"Nothing succeeds like excess"- Oscar Wilde


It's a New Dawn It's a New Day It's a New Life-- And I'm Feelin' Good -- Leslie Bricusse

 

RE: Mortite , posted on October 6, 2020 at 10:11:45
Duster
Audiophile

Posts: 16839
Location: Pacific Northwest
Joined: August 25, 2002
Speaking of damping materials, museum putty is an often overlooked option. Much like Blu-tack and other poster tacks, but with a more aggressive bond.

 

RE: Mortite , posted on October 6, 2020 at 12:04:43
rivervalley817
Audiophile

Posts: 3775
Joined: June 15, 2020
indeed! I piped up over sealants, stick & peel won't do that in free air, it's got to be surface to surface ... Mortite is basically commercialized 'museum putty' if I'm not mistaken ... wouldn't surprise me if I was though

so, are 'We' OK Duster?

with regards,

 

RE: Mortite , posted on October 6, 2020 at 12:59:31
Duster
Audiophile

Posts: 16839
Location: Pacific Northwest
Joined: August 25, 2002
Of course we are. I don't hold grudges in AA. If I were angry, I wouldn't communicate with you.

Posters go into my shite list when I give-up on them, rivervalley817.

 

RE: Mortite , posted on October 6, 2020 at 13:27:08
rivervalley817
Audiophile

Posts: 3775
Joined: June 15, 2020
thanks

 

RE: Mortite , posted on October 6, 2020 at 13:31:50
Duster
Audiophile

Posts: 16839
Location: Pacific Northwest
Joined: August 25, 2002
Cheers, Duster

 

RE: Mortite , posted on October 6, 2020 at 14:38:08
Mike B.
Audiophile

Posts: 25419
Location: OR
Joined: September 27, 1999
Contributor
  Since:
September 1, 1999
I bought loudspeakers that were SOTA back in the late 1970's. Sequarra 2 plus 2 W's. The frames and housings of all the drivers were heavily covered with rope calk.


 

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