building fancy looking Gallos clone

[majorwedgy]

Hey Guys,

Am bored of my boxy looking technics sb-3050s and wanted to build myself something a bit different. At first I was considering coating a football in glass fibre bursting it and then mountin a bass unit over the hole with other small balls used for the mid and tweeter.

Now I am considering using a pressure cooker and trying to mimic the Anthony Gallo Reference 3 design. the drivers I will be using are the mid and tweeter from some SB-3050s along with the 3-way crossover from said units. I was also looking at using a 6" aluminium woofer from some Monitor Audio Silver S6 speakers. Do you think either of the above will work well? The pressure cooker will have a volume of 6L, does glass fibre work well as a speaker enclosure material?

Any comments/ thoughts appreciated
Cheers
Ant

[neutron7]

pressure cooker? kind of shaped like a drum? maybe it will act like one as well

i like the football idea though (thats football played with the feet, not american football which is played with the hands) fiberglass with something inside to reinforce it could work well.

[sreten]

Hi,

Sounds like a bad idea all round in that the plan will not work well.

What you are describing is very difficult to design correctly.

/sreten.

[clearwaterms]

Originally posted by neutron7
pressure cooker? kind of shaped like a drum? maybe it will act like one as well

i like the football idea though (thats football played with the feet, not american football which is played with the hands) fiberglass with something inside to reinforce it could work well.

to me im thinking of something that ends up looking like mickey mouse, a round face (bass unit) and then two smaller balls to the 11 o'clock and 1 o'clock. It's the silluette of mickey mouse...

check out these design...
http://www.partsexpress.com/projects...lar/index.html

the driver selection is equal to the BAMTM that has been raved about

[majorwedgy]

Yeahpressue cooker as in solid stainless steel pan with a air-tight sealed lid, only I ownt be using the lid and will probably weld a metal sheet over the top and mount the speaker on that. Alternatively some buoy type things have been suggested to me too - like the sound of the mickey mouse - never thought of that!

[clearwaterms]

Originally posted by majorwedgy
Yeahpressue cooker as in solid stainless steel pan with a air-tight sealed lid, only I ownt be using the lid and will probably weld a metal sheet over the top and mount the speaker on that. Alternatively some buoy type things have been suggested to me too - like the sound of the mickey mouse - never thought of that!

sealing something made of thin walled metal, wouldn't the metal vibrate? You would probably want some way to dedden the soundwaves, or you might end up with something along the lines of a drum... with the sound waves crashing into the insides of the metal container.

[Tenson]

Dunno about the pressure cooker you use, but ours is anything but thin walled! These things are kinda like a small boiler from a steam train.

You are unlikely to beat the MA Silver 6's without spending some decent money and putting in a lot of work though I have to say. They are not bad.

[majorwedgy]

I intend to obviously use some foam to improve bass and reduce reverb, have you ever use/felt/seen a pressure cooker/ I would really describe the meal as thin walled, I know waht you mean although I think the material in question is too solid to produce that effect, need to produce a prototype to fully feel the effect, certainly b interesting to see.

From what I have read of the reference 3's they are some of the best speakers around, I hope that I am following the same kind of design principle - only using a small fraction of the cost (and knowledge, and technical skill, materials.........zzzz)

[joe carrow]

I know the buoy type things that you're talking about -they're spheres from 20-40 cm in diameter with a reasonably thick and rigid wall. They come in bright colors and are generally used as floats.

Where do you get them?!?

I saw a website that sold them ages ago, but I was on hard times back then and couldn't afford to play around. Now I'd like to think of loading some of these up as a fun experiment, and I can't find those spheres anywhere.

[majorwedgy]

Ok have found and ordered two, you are looking for a spherical fender. It has cost me approx £35 sterling inc postage for two of these each with a volume of 21litres and a diameter of 45cm. Just got to build the beastie now - recommendations on what to put in it in terms of foam? Also do I need to brace it and how would you recommend doin so?