The long-awaited HUMAN 81 DK is now available.
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HUMAN K-C2 Speaker Kit
$270.00 / each
(back to kit/legacy projects)
See an example of a C2+ kit being built
If you're going to bother using a center channel speaker in a Home Theater system, it should be a very good one, and complement the quality of your main speakers, as well.
The HUMAN C2 is just such a speaker. Using two of my hand built woofers and one aluminum concave dome tweeter, it has great power handling, frequency response, and clarity.
The crossover used in the HUMAN C2 is just a single high quality film type ten microfarad capacitor in series with the tweeter. The woofers are wired in series with each other.
Details:
Interior dimensions in inches, volume in cubic feet:
| model | long face | short face | depth | volume |
| HUMAN C2 | 22.5 | 6.5 | 18.5 | 1.57 |
| HUMAN C2+ | 24 | 6.5 | 12 | ~1 |
Note: the original C2 dimensions, yielding a volume of about 1.5 cubic feet, were probably a bit larger than needed. The C2+, at about one cubic foot, is more optimal.
Your dimensions do not need to be the same - it is the internal volume that matters. That and convenience for your design.
Stock bracing: On the C2 I used a "shelf" type brace, although in this box it was vertical rather than horizontal. It was a board that resembles the front baffle, though with bigger holes cut in it. It was placed about 1/3 of the way from the front of the speaker. This increases rigidity tremendously, reducing panel resonances and making the speaker an even better TV stand.
The C2+, with its small cross-section, is less in need of bracing, but still uses three vertical, front-to-back "shelf" braces, one behind the tweeter, and two more a few inches out past the woofer locations.
Driver position: The tweeter is centered horizontally, and slightly above the center vertically, in the front panel. The woofers are centered vertically on each side of the tweeter, as close to it as is practical.
The HUMAN C2 Kit includes:
2 PRO 008 woofers
1 PRO 002 M2 tweeter
1 Terminal cup with gold plated 5-way binding posts
1 Complete crossover and wiring harness
Screws to install all parts
Grill pegs and sockets
Basic instruction sheet (and telephone/email support)
You provide:
The cabinet
The grill, if desired
Internal damping material (e.g. fiberglass, polyester, etc.)
Screws and grill hardware not shown
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