Note that I have retained the "off board" mounting of the woofer choke (to the left).This is the title of a fascinating article in the current September 2010 Issue 205 of The Absolute Sound. The parts are all mounted on my non-resonant board, with five-way gold-plated binding posts for the speaker wires. This shows one such assembly installed in a Large Advent. I don't mind building them in the "extended" or "decrease" setup, if asked to do so. When I make new crossovers for these speakers, I omit the switch and hard-wire the circuit in one configuration, usually the "normal" one. Key to Crossover Symbols and Component Values (in a new window) They are all linked to more readable sized versions. The bottom two are the "New Large Advent" on the left, and the 5002/5012 on the right. The first four are for the OLA - one shows the full "stock" configuration, with the switch and all parts, the other three show the circuit in reduced form for each switch position. The latter used Ferrofluid, and uses a different crossover. The first two used similar tweeters, often refered to as the "fried egg tweeter", with the first showing a raised mounting panel and the "NLA" version flush-mounted on a metal plate. This woofer was continued in use for the 5002. The "New" version has a custom-stamped basket that fits a 12" hole but supports the 10" cone/surround with metal. The original uses a Masonite ring to mount the cone in a twelve-inch basket, and had an "inverted" surround to clear the grill. There are essentially three generations of it: the "original", or "OLA", the "New Large Advent", or "NLA", which I have seen marked on the rear as the "A3", and the 5002/5012.Īll three used ten-inch woofers that were similar in function, although different in appearance. The so-called "Large" Advent speaker, with its various acronyms, was originally simply "The Advent Speaker", when it was the only product made by the company. The long-awaited HUMAN 81 DK is now available.
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