Babelfishing by Mighty AR2 - Page 4 - diyAudio
Go Back   Home > Forums > Amplifiers > Pass Labs

Pass Labs This forum is dedicated to Pass Labs discussion.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 20th April 2011, 03:01 PM   #31
diyAudio Member
 
Join Date: Sep 2006
Location: Santa Rosa Beach, FL
Jacco, ZM, AR2--just an observation. I'm blown away by the depth of knowledge and breadth of info you'all have, here. You guys are great mental stimulation.......!! And that's what keeps us all young, right?
  Reply With Quote
Old 20th April 2011, 06:37 PM   #32
diyAudio Member
 
Join Date: Sep 2006
Location: Santa Rosa Beach, FL
Quote:
Originally Posted by CanAm Man View Post
I'll post a pic or two, of what a "homemade" carbon composite flat panel can look like......
AR2, ZM.... was going to post a pic of some of our carbon composite flat panels, but actually, those photos were pretty uninteresting.

Here's one of some more complex work-an intake manifold. Flanges are CNC aluminum billet, anodized red. The plenum is twill-weave composite. The plenum isn't finished and polished yet in this pic. Final product will have the epoxy "wet look" to it.

I think I'm now ready to tackle some composite horns....or maybe a large transmission line woofer. The construction is not really the challenge, but the mounting price of composites and epoxies might be...
Attached Images
File Type: jpg CanAm Intake 45.jpg (179.3 KB, 292 views)
  Reply With Quote
Old 20th April 2011, 08:46 PM   #33
Zen Mod is offline Zen Mod  Serbia
diyAudio Member
 
Zen Mod's Avatar
 
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
naah - you don't need to do that for speakers - there are plenty of older materials with some beneficial virtues , which CF certainly doesn't have

OK - it's strong , but I have doubts in any damping properties ....... which you need for any sort of speaker enclosure or wave guide

if you are going for box - use concrete or marble
if you are going for horn/wave guide - go for paper mache or wood

leave CF where it belongs - as intake for sissy volume engines

- regarding knowledge :

AR2 is knowledge-hungry youngster ,
Jaccovitty is old (fart) and vise as Oracle
ZM is dumb and Official Court Jester , as always
Attached Images
File Type: jpg ZM bw.jpg (113.8 KB, 276 views)
__________________
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
  Reply With Quote
Old 20th April 2011, 09:15 PM   #34
AR2 is offline AR2  United States
Master Burner
 
AR2's Avatar
 
Join Date: Dec 2002
Location: San Francisco, California
Quote:
Originally Posted by Zen Mod View Post
naah - you don't need to do that for speakers - there are plenty of older materials with some beneficial virtues , which CF certainly doesn't have

OK - it's strong , but I have doubts in any damping properties ....... which you need for any sort of speaker enclosure or wave guide

if you are going for box - use concrete or marble
if you are going for horn/wave guide - go for paper mache or wood

leave CF where it belongs - as intake for sissy volume engines

- regarding knowledge :

AR2 is knowledge-hungry youngster ,
Jaccovitty is old (fart) and vise as Oracle
ZM is dumb and Official Court Jester , as always

Ohoooooo! No one made me as happy as you just did calling me a youngster, absolutely love that. Cheers to that, you just got yourself a free drink when you come over here.

So with all do respect, let me correct you Dr.Zen... Carbon Fibre could be very interesting for speakers enclosures of unusual shapes. Curved boxes, than particularly interesting for open baffle... Carbon Fibre in addition with some less expensive material to gain thickens, could work really well. In addition to a strength and capability to produce nice curved shapes it has absolutely unmatched finish done as CanAm (PanAm) nicely explained in a few posts back. Think about through what pain people go to produce piano finish on the wood. Here, after you are done with construction you are done with the finish as well. Certainly there are disadvantages, such as price, as well as need for the mold, but this could be very interesting and should not be discarded. Quite opposite, should be explored some more in my mind.
Check this out:

Carbon Fiber Applications - Robotics, UAV, Sports Equipment, Musical Instruments

and

Solid Carbon Fiber Sheet Bend Tests

and this

Carbon Fiber Foam Core > Airex 1" Foam Core - 3 Layer


So PanAm go for it, make that CF case! There will be some followers I am sure.
Attached Images
File Type: png Screen shot 2011-04-20 at 2.17.43 PM.png (80.5 KB, 268 views)
__________________
www.burningamp.com

Last edited by AR2; 20th April 2011 at 09:18 PM.
  Reply With Quote
Old 20th April 2011, 09:20 PM   #35
Zen Mod is offline Zen Mod  Serbia
diyAudio Member
 
Zen Mod's Avatar
 
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
curvature , strength .... OK

but , I can't see enough of necessary damping properties ;

or I'm wrong ?

in any case - it's good enough for squawker and tweeter horns ........ but not for bass enclosures ; at least not as major material ....

youngster , what else - I know your joy in making things .......

__________________
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
  Reply With Quote
Old 20th April 2011, 09:25 PM   #36
Zen Mod is offline Zen Mod  Serbia
diyAudio Member
 
Zen Mod's Avatar
 
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
anyway - I saw some video tutorial for making woof boxes in cars ;

cut'n'paste wood frame + fiberglass cloth/kit thingie

I can imagine this is even more rewarding , considering quality mixed with enjoyment factor .......

so - go for it .... you can always paste some lossy thing on inside walls

but - funny - it's hard to beat old good plywood ........

__________________
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
  Reply With Quote
Old 20th April 2011, 10:42 PM   #37
diyAudio Member
 
jacco vermeulen's Avatar
 
Join Date: Oct 2004
Location: At the sea front, Rotterdam or Curaçao
Send a message via Yahoo to jacco vermeulen
Close to 25 years ago, the Vise Guy spent some time in an airplane factory, making Kevlar sheeted panels with a honeycomb body.
Around the same time, he made a visit to a ship yard, where they made sonar domes* of...Kevlar.
Nowadays, carbon fiber is the No1 material for building or reinforcing lightweight hulls, tone arm board of me TT is carbon fiber cloth and resin.
But, if you're going for the best result, you'd need (access to) an autoclave oven and go for vacuum.

(*you know, mounted under the butt of a warship)


Currently the largest single vacuum infusion, close to 6-1/2 ton resin injected in 2 hours, carbon&aramid, hull of a 125ft sail yacht =>
Attached Images
File Type: jpg Oy-Build.jpg (93.7 KB, 262 views)
__________________
No More Mr Nice Guy

Last edited by jacco vermeulen; 20th April 2011 at 10:46 PM.
  Reply With Quote
Old 20th April 2011, 10:53 PM   #38
Zen Mod is offline Zen Mod  Serbia
diyAudio Member
 
Zen Mod's Avatar
 
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
anyway - I'll ban ya all for mentioning CF here

it's CF why my fave kidoe - Rossifumi , is having trouble , wearing red .....




Oracle
Attached Images
File Type: gif acute.gif (5.7 KB, 341 views)
File Type: gif sarcastic_hand.gif (4.1 KB, 343 views)
__________________
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
  Reply With Quote
Old 20th April 2011, 11:02 PM   #39
diyAudio Member
 
jacco vermeulen's Avatar
 
Join Date: Oct 2004
Location: At the sea front, Rotterdam or Curaçao
Send a message via Yahoo to jacco vermeulen
Just wait till i'll have your pointing fingers in my Vise.
__________________
No More Mr Nice Guy
  Reply With Quote
Old 20th April 2011, 11:03 PM   #40
Zen Mod is offline Zen Mod  Serbia
diyAudio Member
 
Zen Mod's Avatar
 
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
now I know why they call ya Vise guy

__________________
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Class A Sounds Mighty Sweet! jgray Solid State 20 6th March 2011 09:26 PM
"Mighty Mite" Single Ended Amplifier wrenchone Tubes / Valves 13 20th October 2008 04:57 AM
Question for all mighty ILIMZN and others... bogdan_borko Solid State 36 10th February 2006 11:45 AM
PHL / ESg 3 way question - AR2 Branwell Multi-Way 39 13th March 2005 04:23 AM


New To Site? Need Help?

All times are GMT. The time now is 09:50 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright ©1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2