Zu Cube Clone

Zu Cube Clone


Designer:
Park

Project Category:
Bookshelf Speakers

Project Level:
Beginner

Project Time:
1-8 Hours

Project Cost:
$100 – $500

Project Description:
I had purchased a pair of B stock Zu Cubes from Sean at Zu Audio awhile back. I like them, but thought I could improve on the sound quality and still use similar parts. My littlest son also need a set of speakers for a 3116 chip amp too.

Design Goals:
Clone the Zu Cube in dimensions, parts, and clean up the response curve. I got help from an owner of a speaker manufacturer from Texas (curves and xo).

Driver Selection:
Eminence Beta 10 CX 10 Inch Coax driver 290-502
Eminence ASD 1001 1 Inch HF Horn Driver 290-525

Enclosure Design:
Straight copy of the 10.5 inch cubed box, 3/4 inch left over material, coated with Dura Tech black, and loaded with damping material.

Enclosure Assembly:
Super simple, cut all the squares the same dimensions, outside dimension are 10.5 inch cubed.

Crossover Design:
The current Zu XO consists of a single inline cap to roll off the tweeter. This is 1.0 uf cap. A true xo can even out the frequency response significantly.

Conclusion:
I had a good time making these with my middle schooler. These are good book shelf speakers and need some lower end help or a subwoofer, but if you can get the parts for a reasonable price, they are much cheaper than 1K.

About the Designer:
I like to fix things and make them better, but not always cost effective… :)

Parts Used:

Eminence Beta-10CX 10″ Coaxial Driver
Eminence ASD1001 1″ HF Titanium Horn Driver 1-3/8″-18 TPI
Acry-Tech DuraTex Ultra Deep Tint Base 1 Gallon Roller Grade Speaker Cabinet Coating
Acousta-Stuf Polyfill Speaker Cabinet Sound Damping Material 1 lb. Bag
Parts Express Speaker Terminal Cup 3-5/8″ x 3-1/8″ Satin Nickel Banana Binding Post

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