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How to Make a Fiberglass Enclosure


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Velocity Motors 
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Joined: March 08, 2002
Location: Manitoba, Canada
Posted: August 14, 2006 at 11:06 PM / IP Logged  

Renee, if you have any questions I'm sure there will be plenty of help here on the forums. Just post your questions and there will be about a half dozen Knights in shining armor here to help you How to Make a Fiberglass Enclosure - Page 7 -- posted image..  Post your pics and hope to see you here more.

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
srsoupy 
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Member spacespace
Joined: April 22, 2006
Location: Suriname
Posted: August 15, 2006 at 2:03 PM / IP Logged  

i see the costumer paid $1200 for the enclousure .is the sub and the amplifier included in the 1200?

if not what is the price of the enclousure only?

and if you hade to make speaker pods for that car how much would you ask?

i'm just doing a research i really like to know

thanks

soupy
skater472001 
Member - Posts: 6
Member spacespace
Joined: August 02, 2006
Posted: August 16, 2006 at 1:10 AM / IP Logged  
i was woundering if you have done any glass boxes for a 1973 chevy truck
kevin
Velocity Motors 
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Joined: March 08, 2002
Location: Manitoba, Canada
Posted: August 16, 2006 at 8:22 PM / IP Logged  
srsoupy wrote:

i see the costumer paid $1200 for the enclousure .is the sub and the amplifier included in the 1200?

if not what is the price of the enclousure only?

and if you hade to make speaker pods for that car how much would you ask?

i'm just doing a research i really like to know

thanks

The price was $ 1200 was just the enclosure finished in paint. To finifh in paint takes way longer than with vynil or carpet and on top of this you have to charge for paint supplies & labor for paint. Make sure you take this into consideration when estimating a job or wanting to purchase from a shop.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
goosie 
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Member spacespace
Joined: August 20, 2006
Location: United States
Posted: August 21, 2006 at 8:08 PM / IP Logged  
Wow... thanks for the tutorial :D
Im learning how to build speakerboxes and kind of want to learn how to fiberglass (but i wount try it untill im actualy good at MDF) but i was woundering when your planning out fiberglass if you still make the enclosure the same size you would with MDF? Also, how do you measure the space inside of the box with all the curves? Also is the box ported or sealed when you make it with fiberglass or does it matter? Something tells me its completely different than doing MDF but i'm just trying to learn as much as i can
Velocity Motors 
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Joined: March 08, 2002
Location: Manitoba, Canada
Posted: August 23, 2006 at 8:04 AM / IP Logged  

goosie wrote:
Wow... thanks for the tutorial :D
Im learning how to build speakerboxes and kind of want to learn how to fiberglass (but i wount try it untill im actualy good at MDF) but i was woundering when your planning out fiberglass if you still make the enclosure the same size you would with MDF?

The size will change as long as the internal volume + speaker displacement is accounted for & stays the same. The exterior of the enclosure you can have any shape but keep the internal volume the same.

goosie wrote:
Also, how do you measure the space inside of the box with all the curves?

Go to this post for internal volume : Sticky Packing peanut volume measurement

goosie wrote:
Also is the box ported or sealed when you make it with fiberglass or does it matter? Something tells me its completely different than doing MDF but i'm just trying to learn as much as i can

YOu make the box whatever you want ( sealed or vented ) but you have to calculate the tuning frequency when venting an enclosure. Most  if not all the custom boxes that I make are sealed.

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
goosie 
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Member spacespace
Joined: August 20, 2006
Location: United States
Posted: August 24, 2006 at 6:25 PM / IP Logged  
Ok, cool. I decided to go ahead and do fiberglass instead of the "ugly boxes in the trunk" since it looks so much better. Im still learning about the different types of boxes and stuff. Does sealed sound better than vented? I mostly listen to rap music, so im curious if that will make a difference. Im asking because all the boxes i saw at best buy's music room were vented
Velocity Motors 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: August 25, 2006 at 7:35 AM / IP Logged  
Use this for a guide to help you choose a sub enclosure
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
soilman07 
Member - Posts: 2
Member spacespace
Joined: September 03, 2006
Location: United States
Posted: September 03, 2006 at 2:25 PM / IP Logged  

Ok, Ive just read through  this and found what ive seen very helpful. Im new to fiberglass and basically all car fabrications. Im 17 and own a 2003 mitsubishi eclipse GS all stock besides a In-dash dvd player with a flip out screen. The dvd player has A/V output for additional screens so I got to thinking maybe some enclosure for a small screen and some subs wouldnt be a bad idea for the trunk....then I kinda wanted to do the whole interior with small bits of fiberglass or repaint for a glossy look.

Questions

1)My doors are made of a combination of the soft leather/pleather(like a dashboard) stuff and plastic pannels...the factory painted the plastic parts some black and some gunmetel. The gunmetal color has started to scratch off and the black is just bad on the eyes. My intentions would be to give the doors a glossy RED / silver look, would I be better off painting or making a mold and FG parts to cover or replace the plastic?

2)Painting, im sure you have all your FG work airbrushed but im on a budget and dont own or know someone with a airbrush.For small parts can you use spray/brush on car paints?  I have a 1/2gallon of exact color paint that was given to me for touching up the outside(i was backed into and had some minor body work done). I see cans of car paint at every automotive store and was wondering if this is a applicable product for this sort of thing?

mike.
Velocity Motors 
Moderator - Posts: 12,487
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: September 07, 2006 at 10:15 AM / IP Logged  
1. Seeing as this is your first project, I would use the existing doors as a template and fiberglass over the OEM door. Trying to make your own door panel as your first project would be VERY difficult and time consuming.
2. Yes you can use spray balm but the finish just ins't as nice compared to the automotive grade paint from a booth. Just make sure that you use the proper paints and primers and it still should come out pretty good.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
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