To start with, I’ve brought all the old content back into the site.

None of the file downloads work yet, and some of the posts are missing images – please bear with me while I get it sorted.

I will be posting on home-built hi-fi, music, photography, other bits and pieces, just like before!

In order to get the subwoofer working I would need a crossover filter and a single channel amplifier for the subwoofer. There were a variety of options; buy a dedicated “plate” amplifier which has everything built in, maybe buy a dedicated subwoofer filter and a hi-fi amp from somewhere, perhaps build a kit or even build the electronics myself from a circuit diagram (or schematic).

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After having built my Parker Audio 98 MkII loudspeakers I decided the next project would be to build a really good subwoofer. The decision was made because I am very interested in making some horn speakers to pair with my little valve amp. I know horn speakers are renowned for lacking in deep bass and that any subwoofer would need to be fast enough to keep up with them.

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