The long-awaited HUMAN 81 DK is now available.
Best viewed in "landscape" mode.
HUMAN K-400 Speaker Kit
$1303.00 / pair
Building speakers based on classic designs:
EPI 400; Epicure 400+
(back to kit/legacy projects)
The EPI 400 (or Epicure 400+) tower speaker may not be quite as outrageous as the EPI 1000, but it is still a wonderful, satisfying speaker to build and own.
In order to increase power handling and bass response, many companies will design complex systems that often fail to deliver the qualities they obtain with their basic models. EPI took a different route. Using the successful and great sounding complement of components that work so well in the EPI 50 six inch two way system, they simply multplied the whole thing by four!
This is almost as easy a speaker to build as it is to describe. It is a square tower 38 inches tall and 14 inches on each side, with a six inch woofer and concave dome tweeter mounted on each side. The crossover is just a single ten microfarad capacitor (I'd recommend using not only a high quality film type capacitor, as with any of these homebrew projects, but one with a high voltage rating as well). Of course there are wiring complications hooking up four woofers and four tweeters, but the series/parallel set up is really not that bad once you understand it.
Details:
Interior dimensions: 36" x 12" x 12" (3 cu. ft.)
Stock bracing: Unknown, but I suspect they have a couple of "shelf" braces. I recommend using at least two sets of cross braces, right at the point between the woofer and tweeter cutouts, and another one below the drivers - but spaced so none of the distances are equal to or multiples of each other.
Driver position: The tweeters should be directly over the woofers, and at about ear height for the sitting listener. They should be off centered slightly in each panel (all the same way in eahc speaker, the two speakers mirror images of each other), and a different distance from the top than from each side.
The HUMAN 400 Kit includes:
8 PRO 007 woofers
8 PRO 002 M2 tweeters
2 Terminal cups with gold plated 5-way binding posts
2 Complete wiring harness/crossovers
Screws to install all parts
Basic instruction sheet (and telephone/email support)
You provide:
The cabinet
The grill, if desired
Internal damping material (e.g. fiberglass, polyester, etc.)
Originally these were built with grills made of masonite sheets covered with cloth, that went from the base to the top and side to side, with only a dressy trim piece of 1" walnut showing at each vertical corner and around the top. The terminals were on the bottom. I would advise using floor spikes, not only to give the speakers a solid footing, but also to allow your connection wires a way to get under the speaker neatly.
Above: Eight each PRO 007 woofers and PRO 002 M tweeters
Below: The wiring harnesses, terminals, screws, and optional floor spikes.
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