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Cheap DIY speakers?

alfa147x

alfa147x

Lifer
I want to get into DIY speakers but i don't know how
I was given this link
I dont understand what I need
I need the 'driver?' and make a box and connector
but what is the filter then?

http://zaphaudio.com/audio-speaker18.html

Thanks

any other tutorials are welcome b\c ill probably spend a month thinking of the best way to go
 
Originally posted by: alfa147x
I want to get into DIY speakers but i don't know how
I was given this link
I dont understand what I need
I need the 'driver?' and make a box and connector
but what is the filter then?

http://zaphaudio.com/audio-speaker18.html

Thanks

any other tutorials are welcome b\c ill probably spend a month thinking of the best way to go
Click to expand...

It doesn't take much provided you are just copying someone elses design.

You need to buy the drivers used, make/buy the cabinetry, buy/make the crossover, buy damping materials/ports/banana jacks.

That's about it.
 
ok so what is the crossover and what do I need?
Damping material and ports I understand...
Also what is the baffle?
 
Originally posted by: alfa147x
also how would I mount them to this:
http://www.monoprice.com/produ...id=3012&seq=1&format=2
Click to expand...

If you didn't want to drill right into the wood...which I wouldn't recommend, you would have to build a bracket yourself

Originally posted by: alfa147x
ok so what is the crossover and what do I need?
Damping material and ports I understand...
Also what is the baffle?
Click to expand...


The crossover separates high frequencies and low frequencies. It generally consists of inductors, capacitors and resistors and can be one of the most expensive parts of a speaker.

The baffle is simply the front plane of the speaker.
 
Ok so the crossover goes between the driver and the banana plug
is the crossover the same as the filter?
would I have to buy or build one for this?

Thanks a bunch ill post pictures when I start ... later part of my winter break
 
Originally posted by: alfa147x
Ok so the crossover goes between the driver and the banana plug
is the crossover the same as the filter?
would I have to buy or build one for this?

Thanks a bunch ill post pictures when I start ... later part of my winter break
Click to expand...

You can buy prebuilt ones, however most people who post custom designs have designed them to their own needs. You will most likely be buying individual passive electronic components and soldering the circuit together.

and yes, the crossover is essentially 2 or 3 passive filters put together.
 
I applaud you for wanting to jump in head first, but you might want to develop a better basic understanding of speakers before you start building away. As far as Zaph projects go, everything you need is readily available and even if you can solder, you can probably build it point-to-point or on a breadboard. The enclosure and baffle itself will be the most work since everything else is just about done.

Good luck 😀
 
well I wont begin for another month, I have begun making Autodesk inventor designs...
I want to put the price list together before I used...
Im looking at 10$ per Driver
Ill get MDF for free
so all i need to know is what to look for in a cross over
 
Originally posted by: alfa147x
well I wont begin for another month, I have begun making Autodesk inventor designs...
I want to put the price list together before I used...
Im looking at 10$ per Driver
Ill get MDF for free
so all i need to know is what to look for in a cross over
Click to expand...

It's not simply what to look for....a crossover has to be designed. You COULD buy just a random crossover and hope it works decently...but that would be a rather hit and miss scenario. You're best bet, since you do not have the experience and equipment to DIY, is to copy the complete project of a proven design.
 
I know how to do some small soldering and have worked with breadboards but if i need any help i have friends who can assist me
its this cross-over thing that baffles me

this is all that is given on the site

When you construct this crossover, do it so resistor R2 is easily removed and replaced. That might mean using some kind of terminal, binding post or other quick release method. R2 is a baffle step compensation resistor. Adjusting R2 is the key to making this driver fit your application and preference. For most people, R2=8ohms will work the best. Use that as a starting point and read on below.

I don't know where I got a Bennic Poly 4.3 uF cap, nobody sells them. 4.7 is too big and 3.9 is too small for this. You can parallel a 1.0 and 3.3 to reach this value however.
Click to expand...
 
Originally posted by: PurdueRy
Originally posted by: alfa147x
well I wont begin for another month, I have begun making Autodesk inventor designs...
I want to put the price list together before I used...
Im looking at 10$ per Driver
Ill get MDF for free
so all i need to know is what to look for in a cross over
Click to expand...

It's not simply what to look for....a crossover has to be designed. You COULD buy just a random crossover and hope it works decently...but that would be a rather hit and miss scenario. You're best bet, since you do not have the experience and equipment to DIY, is to copy the complete project of a proven design.
Click to expand...

So if i walked into Radio Shack and showed them
http://zaphaudio.com/audio-speaker18-filter.gif

would they be able to assist me?
 
Originally posted by: alfa147x
Originally posted by: PurdueRy
Originally posted by: alfa147x
well I wont begin for another month, I have begun making Autodesk inventor designs...
I want to put the price list together before I used...
Im looking at 10$ per Driver
Ill get MDF for free
so all i need to know is what to look for in a cross over
Click to expand...

It's not simply what to look for....a crossover has to be designed. You COULD buy just a random crossover and hope it works decently...but that would be a rather hit and miss scenario. You're best bet, since you do not have the experience and equipment to DIY, is to copy the complete project of a proven design.
Click to expand...

So if i walked into Radio Shack and showed them
http://zaphaudio.com/audio-speaker18-filter.gif

would they be able to assist me?
Click to expand...

No, the components they have will not be suited for audio purposes. I can help you out. If you want to chat easier, hit me up at PurdueRy on AIM.
 
Originally posted by: alfa147x
Originally posted by: Excelsior
You'd be well served by going with another one of his budget speakers: http://zaphaudio.com/ZBM4.html
Click to expand...

I would do that but i my budget is 40 ish
and that one needs 2 drivers and also has a more complicated crossover
Click to expand...

It would barely cost more than 40 to build a pair of those.

The fact that it has two drivers is a good thing. And truthfully, even the crossover on it is quite simple. If you have at least a little bit of experience with a soldering iron you'll be ok.
 
Originally posted by: Excelsior
Originally posted by: alfa147x
Originally posted by: Excelsior
You'd be well served by going with another one of his budget speakers: http://zaphaudio.com/ZBM4.html
Click to expand...

I would do that but i my budget is 40 ish
and that one needs 2 drivers and also has a more complicated crossover
Click to expand...

It would barely cost more than 40 to build a pair of those.

The fact that it has two drivers is a good thing. And truthfully, even the crossover on it is quite simple. If you have at least a little bit of experience with a soldering iron you'll be ok.
Click to expand...

Yeah I put the price list together and it wasnt all that different so I do the dual driver speaker

I have begun the Inventor diagram ill post in a few

Thanks for the help every one
especially PurdueRy for the 1 on 1 help
 
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