Dear Troels,
I have recently finished a build of your Discovery 18 Speaker design.
The build was very enjoyable and I’m delighted with the sound from
these speakers! Certainly the cleanest, clearest, most resolving
speakers I have had in my home. The improvement in the low-end, from
previously using speakers with 3" and 4” drivers is significant, to say
the least.
I used 18mm plywood throughout. I cut slots in the sides for the braces
and used biscuits on the mitre joints to make alignment during the
glue-up a little easier. Other than that, I just followed your
instructions and the crossover diagrams from Jantzen. They are finished
with a couple of coats of hardwax oil and then with wax polish.
Thanks for your help in answering my questions along the way. Here are
some pictures of the build and the finished product. If you
notice anything in the pics of the cabinets/crossover that doesn’t look
right, please let me know. I’m already looking forward to the next
build.
Best wishes from the UK,
James
PS. I also took some quick ungated measurements of the speaker at 1
metre outside. A long way from ideal conditions (somewhat enclosed with
a concrete floor), but the frequency response seems impressively smooth
and balanced all things considered. In any case, they sound excellent!
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