Front Ported Zaph zbm4 Project Thread

BionicSniper · 9th August 2008, 05:34 AM

Ok so now that i've gotten all the information and all the parts heres my build thread!

So i'm building a front ported version of zaph's ZBM4's.

I am using the woofer and tweeter that he is recomending but for the crossovers i am using a 3.9 ohm and a 5.1 ohm resistor (in place of a 4 and 5) due to the recomended being out of stock.

The boxes will be built out of 3/4" MDF and I will be using elemental design's soudn dampning product for the box as well as acousta stuff. Also in the future thses will be powered by a small amp (most likely a 41hz.com amp32-ps).

Right now I have all of the parts and have one of the crossovers built and tested. Tomorrow after i get done paintballing I will be cutting all the wood and assembling the boxes (apart from the baffels)
Heres me laying out the xover

And testing the crossover to one of my favorite cd's Peter gabirel's UP

BionicSniper · 11th August 2008, 11:43 PM

ok so i've got all the wood cut (save for the work on the baffel) and i've begun to glue to boxes together.

After they dry over night i'm going to get ready to sand and shalack them. The top of the box wont go on untill i have everything inside the box (sound dampening, crossover, braces, ect.)

dublin78 · 12th August 2008, 10:22 AM

Great start.
I enjoy reading these build threads.
Please could you provide a link to Zaph's design?
Good luck with the rest of the project.

gtforme00 · 12th August 2008, 11:05 PM

Zaph's ZBM4

Congrats on the quick start and good progress! I think you will finish on time if you keep up the fast work.

Good luck and I'll be sure to follow your progress.

Regards,
David

BionicSniper · 14th August 2008, 04:05 PM

ok so after I got the boxes all glued together I started puting some body filler on.

and what they say about mdf not being flat is completly ture. This stuff is not flat at all....
Heres the first box at the end of being filled. After this i hit it with 220 grit then primed it.

After a VERY lite coat of primer I wet sanded it with 400 grit then put 3 coats of primer on and wet sanded again. This is after the very first coat of primer.

so today i hope to get the first box ready for paint and the second one ready for primer.

gtforme00 · 26th August 2008, 02:31 PM

Did you ever finish these? I was rooting for you.

-David

BionicSniper · 26th August 2008, 03:58 PM

well i ran out of time trying to get the baffels finished but my dorm is filled with wood workers and our rec room is basicly a wood working shop so i'm going to get them and finish them here. it shouldn't be much longer

9th August 2008, 05:34 AM	#1
BionicSniper diyAudio Member Join Date: Jul 2008 Location: Ames, Iowa	Front Ported Zaph zbm4 Project Thread Ok so now that i've gotten all the information and all the parts heres my build thread! So i'm building a front ported version of zaph's ZBM4's. I am using the woofer and tweeter that he is recomending but for the crossovers i am using a 3.9 ohm and a 5.1 ohm resistor (in place of a 4 and 5) due to the recomended being out of stock. The boxes will be built out of 3/4" MDF and I will be using elemental design's soudn dampning product for the box as well as acousta stuff. Also in the future thses will be powered by a small amp (most likely a 41hz.com amp32-ps). Right now I have all of the parts and have one of the crossovers built and tested. Tomorrow after i get done paintballing I will be cutting all the wood and assembling the boxes (apart from the baffels) Heres me laying out the xover And testing the crossover to one of my favorite cd's Peter gabirel's UP

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11th August 2008, 11:43 PM	#2
BionicSniper diyAudio Member Join Date: Jul 2008 Location: Ames, Iowa	ok so i've got all the wood cut (save for the work on the baffel) and i've begun to glue to boxes together. After they dry over night i'm going to get ready to sand and shalack them. The top of the box wont go on untill i have everything inside the box (sound dampening, crossover, braces, ect.)

12th August 2008, 10:22 AM	#3
dublin78 diyAudio Member Join Date: Mar 2006 Location: Cheshire	Great start. I enjoy reading these build threads. Please could you provide a link to Zaph's design? Good luck with the rest of the project.

12th August 2008, 11:05 PM	#4
gtforme00 diyAudio Member Join Date: Oct 2004	Zaph's ZBM4 Congrats on the quick start and good progress! I think you will finish on time if you keep up the fast work. Good luck and I'll be sure to follow your progress. Regards, David

14th August 2008, 04:05 PM	#5
BionicSniper diyAudio Member Join Date: Jul 2008 Location: Ames, Iowa	ok so after I got the boxes all glued together I started puting some body filler on. and what they say about mdf not being flat is completly ture. This stuff is not flat at all.... Heres the first box at the end of being filled. After this i hit it with 220 grit then primed it. After a VERY lite coat of primer I wet sanded it with 400 grit then put 3 coats of primer on and wet sanded again. This is after the very first coat of primer. so today i hope to get the first box ready for paint and the second one ready for primer.

26th August 2008, 02:31 PM	#6
gtforme00 diyAudio Member Join Date: Oct 2004	Did you ever finish these? I was rooting for you. -David

26th August 2008, 03:58 PM	#7
BionicSniper diyAudio Member Join Date: Jul 2008 Location: Ames, Iowa	well i ran out of time trying to get the baffels finished but my dorm is filled with wood workers and our rec room is basicly a wood working shop so i'm going to get them and finish them here. it shouldn't be much longer

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