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New Year, Great Gear Smooth Midrange with Impressive Bass Output Only $11.50
The Golden Boys

Golden Boys
Design Goals
Driver Selection
Enclosure Design
Enclosure Assembly
Crossover Design
Conclusion
Parts List
About the Designer
- Driver Selection -

The majority of my driver selection decisions on this project were dictated by my goal to keep the cost as low as possible. In addition, I knew that I needed a relatively large woofer to achieve the desired output levels, aesthetic appeal, and bass requirements. I also kept in mind that I frequently see questions on the Tech Talk discussion board about Goldwood speakers, and the lack of information about them. So, by using them in a project, I hoped to get a better handle on the capabilities and performance of some of their drivers.

The woofer that was chosen for this project is a buyout 12" Goldwood woofer, the GW-1220/8R. I chose this driver primarily for its very low cost, and secondarily for it's red foam surround, which would match my retro design theme quite well. An alternative to this woofer would be the Pismo Series 12" woofer, GW-212/8, which will provide slightly stronger bass thanks to its stronger motor and higher sensitivity. The crossover design can remain unchanged for this substitution.

As a midrange, the Goldwood GM-65/8 provided the flattest frequency response of any of the sealed-back midranges I tested, and has a healthy power-handling capability. Since I was using a relatively small midrange, I knew that I did not need a tweeter that played exceptionally low. In keeping with the durability theme, the Goldwood GT-1025 piezo mid/tweeter was chosen for its good top end extension and relatively flat frequency response. Despite being called a mid/tweeter, it has a better top-end extension than many other piezo drivers.
GOLDWOOD GW-1220/8R 12" WOOFER RED SURROUND

GOLDWOOD GM-65/8 5" SEALED BACK MIDRANGE 8 OHM

GOLDWOOD 3" x 7" WIDE DISPERSION PIEZO HORN MID/TWEETER

 
 
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