cab building...

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Urmike04
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cab building...

Post by Urmike04 » Sat Mar 15, 2008 3:41 pm

I know I'm making a lot of projects for myself. but I have question about what kind of wood should I use to build a 1X15 bass cab? I have the measurements for the box, but I don;t know what thickness I should use and what time. any help? Thanks.
Ampeg B2R 350w Head
Fender RT-1000 Tuner
BBE 362 Sonic Maximizer
Ampeg B Series 4x10 Cab

5 string Lyon Washburn (Black)
5 string Davison (Red)
4 string BC Rich Warlock Platnium Series (Red flames)

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john
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Re: cab building...

Post by john » Sat Mar 15, 2008 6:09 pm

projects are fun . id be interested to know too. would you use ply?

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ryanmaiden
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Re: cab building...

Post by ryanmaiden » Sun Mar 16, 2008 8:10 am

Yeah, plywood is the usual material, if you wanted to go hardcore, you could use mdf but unless you are He-Man and can lift small cars, it's probably not that practical. I know a guy who made a kick ass sub for his home theatre by mounting a 12 inch sub in the top of a big teracotta plant pot. It sounds awesome!

The best approach though is probably to stick to the usual though, and if you can, find a box you like the sound of and copy all the dimensions and measure the thickness of the ply, there's a lot of science that goes into those boxes, so it's important to get all the dimensions sweet.
The good that men do is often buried with their bones, but the evil that men do lives on and on.

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Urmike04
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Re: cab building...

Post by Urmike04 » Sun Mar 16, 2008 11:11 am

I have most of the dimensions I just need to know the thickness. Also, I don't think too much goes for the inside of a 1X15 box. I know some 4X10s are chambered, but I don't think too much is for the 1X15. unless I'm wrong.
Ampeg B2R 350w Head
Fender RT-1000 Tuner
BBE 362 Sonic Maximizer
Ampeg B Series 4x10 Cab

5 string Lyon Washburn (Black)
5 string Davison (Red)
4 string BC Rich Warlock Platnium Series (Red flames)

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timi
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Re: cab building...

Post by timi » Sun Mar 16, 2008 12:10 pm

Most cabs use 18mm ply, but if you don't mind the extra weight a 30mm cab would probably have a more solid low end.

I assume you know this but I will say it just incase, you need to get your speaker first and enter all the parameters into a cab building program which will tell you the cab volume required and the port diameter and length (if you are porting it).

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Urmike04
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Re: cab building...

Post by Urmike04 » Sun Mar 16, 2008 4:02 pm

Where can I get a program like that?

But I'm trying to build it to the specs of an Ampeg B115E Cab
Ampeg B2R 350w Head
Fender RT-1000 Tuner
BBE 362 Sonic Maximizer
Ampeg B Series 4x10 Cab

5 string Lyon Washburn (Black)
5 string Davison (Red)
4 string BC Rich Warlock Platnium Series (Red flames)

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beagle
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Re: cab building...

Post by beagle » Mon Mar 17, 2008 8:17 pm

Yeah a program would make it so much easier.
I built a 4x10" cabinet once for fun. Got the measurements off an instrument repairer.
It turned out crap but was still good fun making it.
Sounded like mud and boomy!
Mistakes I made.... I used MDF... and it was too thin, and the construction wasn't rigid enough.
Thick Marine Ply is apparently the stuff to use
Musicman Sterling, Fender Jazz, GK 800RB, 400RB, Neo412, Neo112, 410T

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Crazykiwi
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Re: cab building...

Post by Crazykiwi » Mon Mar 17, 2008 8:54 pm

Feel free to check out some of the cab building advice on my forum if you like. Its a bit beyond me. One user, Alex Claber is designing and building his own cab and he's a font of knowledge. Drop him a line if you like.

http://basschat.co.uk/index.php?showtopic=13344
http://basschat.co.uk/index.php?showtopic=14831
http://basschat.co.uk/index.php?showtopic=13767
http://basschat.co.uk/index.php?showtopic=3730

Tread carefully though, this kind of technical subject matter is like horseshit to blowflies. It attracts all sorts of asshole personalities.
Stuff: Shuker Headless MIDI 6, Spector NS5CRFM, Self-built 5 string semi hollow headless, Status Series 1 5 string, Pedulla Pentabuzz, Alembic Series 1 graphite, '78 Musicman Stingray, Genz Benz Shuttles, Trace Hexavalve and fEARless F112 cabs

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timi
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Re: cab building...

Post by timi » Tue Mar 18, 2008 9:59 am

Urmike04 wrote:Where can I get a program like that?

But I'm trying to build it to the specs of an Ampeg B115E Cab
If you are building a cab from another one you need the EXACT same speaker. Also, base it on the SVT115 not the cheaper one 8)

As far as a cab designing program, you on mac or pc?

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Urmike04
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Re: cab building...

Post by Urmike04 » Tue Mar 18, 2008 10:49 am

I use PC
Ampeg B2R 350w Head
Fender RT-1000 Tuner
BBE 362 Sonic Maximizer
Ampeg B Series 4x10 Cab

5 string Lyon Washburn (Black)
5 string Davison (Red)
4 string BC Rich Warlock Platnium Series (Red flames)

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timi
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Re: cab building...

Post by timi » Tue Mar 18, 2008 9:26 pm

http://www.linearteam.dk

They have a free program called WinISD for PC. You can even do an online equation.

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BigBoris
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Re: cab building...

Post by BigBoris » Sat Aug 09, 2008 3:25 pm

This site is a great starting place:

http://www.billfitzmaurice.com/

Beyond
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Re: cab building...

Post by Beyond » Fri Aug 22, 2008 6:41 am

If you fancy a conventional old school 1x15 bass I have a couple of plans you could pm me an email address and I could sent them to you. It is a simpler design than BFM cabinets (tbh they are about the same level of build difficulty I think).

I have built the one below from 15mm ply. I would avoid 30mm ply unless you are into body building! It was designed around and EV speaker but works pretty well with an eminence gamma 15 - it gives a nice warm bass flavour whihc worhs brilliantly (IMHO) with the Omni 10.5.

The first pic is my rig before I started to use my Omni 10.5 on the top of the 1x15 (the 4x8 is a prototype Ashdown cab) - stack is not leaning over it just looks like like that in the picture.

Image
Image
Image
Image

This is my BFM Omni 10.5 half way through
Image

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beagle
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Re: cab building...

Post by beagle » Fri Aug 22, 2008 3:48 pm

Cheers for the pics beyond... good to see!
Do you know how common is 30mm ply is in production cabinets?
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Beyond
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Re: cab building...

Post by Beyond » Fri Aug 22, 2008 5:51 pm

I would have thought it was pretty uncommon, the thicker wood should have some benefits but my cab made in 18 mm (rather than 15 that was an error) is quite heavy enough!

The BFM cab is made in 12mm but has more cross bracing and smaller panels.

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