Omni 15 Tallboy - my first build

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Michael Ewald Hansen
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Re: Omni 15 Tallboy - my first build

#46 Post by Michael Ewald Hansen »

Bill Fitzmaurice wrote:
Michael Ewald Hansen wrote: You should have one of the coils standing up to avoid cross-talk :)
Crosstalk can be a problem when the LP/BP/HP filters are on the same board. When mounted on separate boards the coils are too far apart for it to be a concern.
I wouldnt have mentioned it either if it wasn't because he has 2 coils on the same board, lying down in the same plane :)
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Bill Fitzmaurice
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Re: Omni 15 Tallboy - my first build

#47 Post by Bill Fitzmaurice »

Michael Ewald Hansen wrote:
I wouldnt have mentioned it either if it wasn't because he has 2 coils on the same board, lying down in the same plane :)
Both are part of the midrange BP, so it's no concern. If you had an LP pass through close to a BP pass through that could be a problem.

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Rickyvt
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Re: Omni 15 Tallboy - my first build

#48 Post by Rickyvt »

So I guess I can leave it as it is if I don't put the filter boards next to each other?

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Tom Smit
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Re: Omni 15 Tallboy - my first build

#49 Post by Tom Smit »

yes.
TomS

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Rickyvt
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Re: Omni 15 Tallboy - my first build

#50 Post by Rickyvt »

Quickly finished the high pass filter, but I won't be doing anything for a while since I'm on vacation right now :hyper:
Greetings from Rome!

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Rickyvt
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Re: Omni 15 Tallboy - my first build

#51 Post by Rickyvt »

Kids to school again, me back to work again, it took a while to get back at it...
made and installed the braces and flanges, and put on wheels and a handle...
BTW I wasn't able to install the woofer because the tall vertical brace from bottom to mid horn was in the way. It was build according to the plans, and I did not check with the woofer installed. I'll be making an adapted brace but for now I removed a part to get the woofer installed :(
Attached the back panel and impressed every listener :D
Stll need to do the accoustic foam, but I noticed a problem with the mid horn. In my opinion the driver is hitting the phase plug. I hardly notice it when playing recorded music, but with bass it's really annoying because I can hear it at any reasonable sound level...
Still deciding on the color. I would prefer to not use black. Does anyone have any experience with Tuff Cab paint? I might go for white
Attachments
OmniTB3.jpg
OmniTB3.jpg (22.84 KiB) Viewed 3144 times
OmniTB1 (1).jpg
OmniTB1 (1).jpg (21.69 KiB) Viewed 3144 times
Last edited by Rickyvt on Sat Sep 22, 2012 2:00 pm, edited 3 times in total.

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Rickyvt
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Re: Omni 15 Tallboy - my first build

#52 Post by Rickyvt »


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LelandCrooks
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Re: Omni 15 Tallboy - my first build

#53 Post by LelandCrooks »

Nicely done.
If it's too loud, you're even older than me! Like me.
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Bas Gooiker
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Re: Omni 15 Tallboy - my first build

#54 Post by Bas Gooiker »

Wow, that is one sexy looking last picture. The bass and the cab together on that checkerd floor. :clap: :clap: :clap:
I dont know how flowless the sides are but i'd stain the front to mach the bass.

If i remember correctly Tuff Cab is what most of the Aussies use, you should be ok with that.
Life is just a game, don't take it to seriously!

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AntonZ
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Re: Omni 15 Tallboy - my first build

#55 Post by AntonZ »

Tuff Cab is made by Aldcroft Adhesives in the UK. Not sure if it is available in continental Europe. I have used Warnex, very nice looking finish with a standard textured roller. It can be purchased from Thomann:
1kg €25 http://www.thomann.de/be/warnex_strukturlack_1kg.htm
12kg €268 http://www.thomann.de/be/warnex_strukturlack_12kg.htm

Not sure if it is as durable/better/worse compared to Tuff Cab, Duratex and others.

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Rickyvt
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Re: Omni 15 Tallboy - my first build

#56 Post by Rickyvt »

I know Warnex but I only found black paint and I would prefer something else... I can order Tuff cab from the website above

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AntonZ
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Re: Omni 15 Tallboy - my first build

#57 Post by AntonZ »

Yeah, I wish we had Duratex in Europe. Black is quite boring but it was the only affordable product I could find back when I needed some. Blue Aran have several colors in stock. In addition, Aldcroft can make just about any color you like, although a custom color will cost you some. You can email or call them, they are nice and helpful people.

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Rickyvt
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Re: Omni 15 Tallboy - my first build

#58 Post by Rickyvt »

Thanks AntonZ, I'll keep that in mind!

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Bas Gooiker
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Re: Omni 15 Tallboy - my first build

#59 Post by Bas Gooiker »

Warnex 6kg can costs 87,50 at bax-shop.nl but again only in black.

http://www.bax-shop.nl/overige-material ... tails.html
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Rickyvt
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Re: Omni 15 Tallboy - my first build

#60 Post by Rickyvt »

Bas Gooiker wrote:Wow, that is one sexy looking last picture. The bass and the cab together on that checkerd floor. :clap: :clap: :clap:
I dont know how flowless the sides are but i'd stain the front to mach the bass.

If i remember correctly Tuff Cab is what most of the Aussies use, you should be ok with that.
The problem here is that I have some sunken screws hidden with filler. You remind me of my wife, she said just the same about staining it to match the bass :D
But I don't know if I'm gonna keep this bass as long as the Omni TB...
Maybe I will paint the front black and the sides white. It would match the checkered floor :lol:

The Tuff Cab technical data says not to paint over anything containing cellulose solvents like filler, primers... I've used the two component type filler with hardener 1:50. It doesn't state anywhere that it contains solvents. Would it be safe to use Tuff Cab then?

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