OB Project Design Started, Help Requested. - Page 41 - diyAudio
Go Back   Home > Forums > Loudspeakers > Multi-Way

Multi-Way Conventional loudspeakers with crossovers

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 6th October 2012, 04:13 PM   #401
Helmuth is offline Helmuth  Netherlands
diyAudio Member
 
Helmuth's Avatar
 
Join Date: Oct 2008
Location: Winterswijk
Quote:
Originally Posted by DQ828 View Post
I'm thinking maybe the leg is a little too fat.
Nice craftsmanship David that leg respect.

For the looks a simple square one looks better I think, that is my taste clean simple. Spikes in the foot of the leg will make a cool impression.
__________________
( (( KUGELWELLE )) )
recent projects :OB-mk1 /fatboy / monitor-xl / Horn-AM / dappolito / td124-mk1-rb301 / Hybrid-pse / Vfet

Last edited by Helmuth; 6th October 2012 at 04:17 PM.
  Reply With Quote
Old 7th October 2012, 10:22 AM   #402
DQ828 is offline DQ828  Australia
diyAudio Member
 
DQ828's Avatar
 
Join Date: Mar 2010
Location: Lake Macquarie, East Coast Australia
Quote:
Originally Posted by Helmuth View Post
Nice craftsmanship David that leg respect.

For the looks a simple square one looks better I think, that is my taste clean simple. Spikes in the foot of the leg will make a cool impression.
I'm a curvy sort of guy
  Reply With Quote
Old 7th October 2012, 10:34 AM   #403
Helmuth is offline Helmuth  Netherlands
diyAudio Member
 
Helmuth's Avatar
 
Join Date: Oct 2008
Location: Winterswijk
Quote:
Originally Posted by DQ828 View Post
I'm a curvy sort of guy
shape example for each leg.

Click the image to open in full size.
__________________
( (( KUGELWELLE )) )
recent projects :OB-mk1 /fatboy / monitor-xl / Horn-AM / dappolito / td124-mk1-rb301 / Hybrid-pse / Vfet
  Reply With Quote
Old 7th October 2012, 09:51 PM   #404
DQ828 is offline DQ828  Australia
diyAudio Member
 
DQ828's Avatar
 
Join Date: Mar 2010
Location: Lake Macquarie, East Coast Australia
DEFINITELY
  Reply With Quote
Old 7th October 2012, 09:54 PM   #405
DQ828 is offline DQ828  Australia
diyAudio Member
 
DQ828's Avatar
 
Join Date: Mar 2010
Location: Lake Macquarie, East Coast Australia
Quote:
Originally Posted by studiotech View Post
No way. Any thinner and it would look insignificant. You don't want it to look like a skinny dining table chair leg do ya?
I only mean a little bit, but I take you point. There is a slight flat spot near the top you can't see, I'll make one more test piece & make my mind up from there.
  Reply With Quote
Old 11th November 2012, 06:18 AM   #406
DQ828 is offline DQ828  Australia
diyAudio Member
 
DQ828's Avatar
 
Join Date: Mar 2010
Location: Lake Macquarie, East Coast Australia
Progress has been slow, it's not from a lack of trying though.

I have now made three prototype legs & modified one of them to finally arrive at a shape I am happy with. Now all I have to do is make eight more, why eight if I already have one I'm happy with, well it turns out I'm not happy with the colour of the Tasmanian Blackwood I bought from the local supplier. It is too blond and will not give the appearance I am looking for. When I bought the wood I compromised, because the next supplier about 160klm away. Once I had seen the finished (Blond, see photo) leg I knew it wasn't right and would only annoy me for the rest of my life if I didn't change the timber. Each leg takes at least half a day to make so I still have a long road ahead.

I have sprayed the base boxes with 2k primer, the next step for them is to spray them with K&H Bumper Texture coat & then with automotive acrylic enamel. The color is from an Alfa and is called Bronze Metallic.

I have spent the last day & a half joining the Mid driver section to the tweeter driver section, it turns out the CNC router didn't cut the recesses as I expected, it was surprisingly difficult to get everything to line up properly.

Hopefully I will get the speakers finished over the Christmas break.

I still haven't decided what to do for feet, the speakers have to be about 35mm off the floor to accommodate the speaker connections which will be under the bass box, spikes are out, I'm not a fan.
Attached Images
File Type: jpg 12-11-11 DQ OB Build01_3.JPG (558.0 KB, 191 views)
File Type: jpg 12-11-11 DQ OB Build01_2.JPG (453.3 KB, 186 views)
File Type: jpg 12-11-11 DQ OB Build01.JPG (595.5 KB, 183 views)
  Reply With Quote
Old 11th November 2012, 06:28 AM   #407
56oval is offline 56oval  Australia
diyAudio Member
 
Join Date: Jun 2006
Location: Werr,i,bee sth ,Vic ,Australia
Hi D

Looking great as usual , do you need to put a flexy aid in with the acrylic enamel since its going over the top of Bumper texture .

CHeers

Mal
  Reply With Quote
Old 11th November 2012, 06:53 AM   #408
DQ828 is offline DQ828  Australia
diyAudio Member
 
DQ828's Avatar
 
Join Date: Mar 2010
Location: Lake Macquarie, East Coast Australia
Default Cable Suggestions Requested

I have been pondering what type of cable to use to connect the drivers to the speaker terminals at the bottom of the Bass box. Because of all the effort I have gone to, I thought it would be nice to use a good quality cable, I don't want to break the bank though.

All suggestions are welcome.

the recess for the cable either side of the mid driver is 3.9mm wide so the cable can't be too large
Attached Images
File Type: jpg 12-11-11 DQ OB Build01_4.JPG (299.5 KB, 171 views)
  Reply With Quote
Old 11th November 2012, 06:59 AM   #409
DQ828 is offline DQ828  Australia
diyAudio Member
 
DQ828's Avatar
 
Join Date: Mar 2010
Location: Lake Macquarie, East Coast Australia
Quote:
Originally Posted by 56oval View Post
Hi D

Looking great as usual , do you need to put a flexy aid in with the acrylic enamel since its going over the top of Bumper texture .

CHeers

Mal
Mal

I know so little about this stuff I thought acrylic enamel was water based
Given the bass boxes shouldn't flex like a bumper might, maybe I don't need the flexy aid?
The Bumper Texture coat say's I need to use acrylic lacquer over it, which I assume is acrylic enamel.
  Reply With Quote
Old 11th November 2012, 07:12 AM   #410
56oval is offline 56oval  Australia
diyAudio Member
 
Join Date: Jun 2006
Location: Werr,i,bee sth ,Vic ,Australia
What brand is the Bumper texture and do you have a link to the product . Acrylic lacquer is a single step product use with the required thinners and spray not water based .

Search on the NETT for its TDS.

As for cables I'm going with MOGAMI® - Bulk Cables

Cheers

Last edited by 56oval; 11th November 2012 at 07:18 AM.
  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
S11 OB - Revisiting Desktop OB design using Seas 8" and Tang Band Full-Range gainphile Multi-Way 27 23rd January 2013 09:51 PM
New open source loudspeaker design program project started Karoliina Multi-Way 33 10th December 2009 10:18 AM
I've started my first project... Bigun Full Range 38 8th February 2009 01:15 AM
A roast requested on my TQWT design Christof Multi-Way 9 29th March 2004 05:57 PM


New To Site? Need Help?

All times are GMT. The time now is 03:27 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