DML Speakers MK2

DML Speakers MK2


Designer:
geoff hooker

Project Category:
Freestyle Speakers

Project Level:
Beginner

Project Time:
1-8 Hours

Project Cost:
Under $100

Project Description:
DML SPEAKERS MK2

Design Goals:
these are an improved version over my previous speakers using a carbon fiber plate behind the driver to improve frequency response and sound quality without the need for equalization.

Driver Selection:
These use the Dayton audio DAEX25FHE-4 transducers

Enclosure Design:
The drivers are superglued onto 100x100x 2mm thick carbon fiber squares which you can get from ebay or aliexpress and attached onto 5mm thick 20×30 inch foamboard sheets using 3m plastic screws and nuts do not glue the carbon fiber to the board. I used plastic washers made from toy boardgame discs to stop the foamboard from crushing.

Enclosure Assembly:
The panels need stands to hand them on- I used string glued on the back of the panel hung on hooks

Crossover Design:
I found carbon fiber excellent since it is very light and does not flex lthis is needed for dispersing the sound over the panel.

Tips & Tricks:
you can cut carbon fiber with a hacksaw if you cant get the right size boards.

Conclusion:
These sound excellent and are a big improvement over my previous design and can be made easily for low cost.

About the Designer:
I have been experimenting with DML speakers for months. I am a keen audio DIYER.

Project Parts List:

Dayton Audio DAEX25FHE-4 Framed High Efficiency 25mm Exciter 24W 4 Ohm

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