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Posted By: Planobilly How to get a pair of speakers for cheap - 05/20/21 03:03 PM
I guess you can make anything...lol

https://www.youtube.com/watch?v=bJGd3YKU9wA

Billy
Are you giving yourself new ideas, Billy? wink
Yes for sure, I am always looking for new ideas but I will not be making any speakers..lol

I did think how this guy went about the project was pretty cool.

To make a real speaker ? How to make a metal basket, casting? 600 volts DC to magnetize stuff. You could buy the cone and spider but all that stuff is pretty pricey. Re-cone kits cost way too much.

Too much like work...lol

Billy
Originally Posted By: Planobilly
Too much like work...lol


Agreed! While the video here is fantastic, and the speaker itself sounds remarkably good, I'm definitely not going to go out and start making my own speakers without a factory backing me. I'll stick to stuff that's more feasible to build from my home workshop.
There have been many 'DIY' speaker plans produced over the years, including electrostatic speakers and other esoteric variations.

However, I've always just purchased mine. smile Much easier...
Billy/all.
its just not worth doing ones own diy spkrs imho.
for cheap (ok but not 2k speakers obviously).
check out dayton audio or rockville or edifier speakers.
eg R1280T notice the 10k plus reviews.

https://www.amazon.ca/Edifier-R1280T-Bookshelf-Speakers-Monitors/dp/B016P9HJIA

best
oldmuso
But Billy likes tinkering and inventing, can't help himself grin grin grin
As Trever said there are many ways to build speakers.

To build really high quality speakers is a pretty involved process. You need a large metal band saw, a large lathe to make the metal parts. The cage is normally die cast. I guess it could be 3D printed. Then there is the question of how to build a Magnetizer. The voice coil is made from paper and wound on a lathe. Lots of glue and a couple of screws to hold things together. All this requires a high degree of machine shop skills and specialized speaker construction skills.

Now we come to the question of the speaker cone. These cones are made in factories specializing in their fabrication. Sheets of paper are liquefied to create a pulp. The pulp is applied to a form. The rough paper cone is placed in a heated press to form the finished cone. Glue like material is painted on the cone in certain places to make the cone more flexible. There is a considerable amount of research that has gone into the type of paper and the thickness, all of which affects the tone of the speaker.

There are a couple more parts but you get the idea. This does not even address the acoustic technology involved in the speaker enclosure.

So no....I have no intent of making speakers.

It is possible if I lived in a condition where I had no way to make money the speaker in the video could be very appealing. It did demonstrate a high level of ingenuity in taking very cheap common materials and turning that into what is a pretty complex device.

Cheers,

Billy
Originally Posted By: VideoTrack
There have been many 'DIY' speaker plans produced over the years, including electrostatic speakers and other esoteric variations.

However, I've always just purchased mine. smile Much easier...


Electrostatic is at least a $2 dollar word...lol

I suspect that very few and perhaps next too no one on this site has ever seen a electrostatic speaker. I have only seen one in my life...lol

Billy



Actually electrostatic speakers are much better for a do it yourself project.
Billy.
i wish i could do diy electronics like yourself or videotrak,or others but each time i try i usually mess up lol.
thus respect to you and other diy'ers.
i once put a replacement op amp in a circuit board; and much to my surprise it worked. lol.
best
oldmuso.
When buying for cheap always remember that you get what you pay for
If you want 'cheap' and 'good' (well not bad, at least)

Try this:
Cool little project. I have seen some really beautiful electrostatic speakers People have made.

Here is one. http://jazzman-esl-page.blogspot.com/

Billy
Originally Posted By: VideoTrack
If you want 'cheap' and 'good' (well not bad, at least)

Try this:



After severe hours of research I have decided to build four of these speakers. They sound really good in the test. As the material is super cheap to make them there is really nothing to lose.

As these are shown as hanging from the ceiling, I want to construct a fixture for them to set on the floor.

Billy
Should be good, Billy.

You could floor mount them but it appears that they need to be 'suspended' (perhaps from a frame) to allow them to freely create the required air movement.

Do let us know how you go.
This video went into much greater detail and did some frequency response testing with different materials and shapes.

I don't need more speakers...lol I have too many now.

I just found this an interesting concept which was very inexpensive to experiment with.

https://youtu.be/CKIye4RZ-5k

Billy
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