Older designs no longer sold on DIY Sound Group Fri, 14 Aug 2026 03:43:27 +0000 Fri, 14 Aug 2026 03:43:27 +0000 HiFiCircuit http://www.hificircuit.com/community/forums/legacy-speaker-designs.41/ Sun, 28 Sep 2025 04:24:11 +0000 http://www.hificircuit.com/community/threads/fusion-15-v2-info-and-assembly-tips-thread.439/ http://www.hificircuit.com/community/threads/fusion-15-v2-info-and-assembly-tips-thread.439/ invalid@example.com (Matt Grant) Matt Grant
If you have questions about your Fusion-15 build feel free ask them here.





Design goals and history:
There were a few reasons for this redesign of the Fusion-15. The original used...

Fusion-15 v2 Info and Assembly Tips Thread]]> 48 Sun, 18 Jul 2021 12:53:43 +0000 http://www.hificircuit.com/community/threads/fusion-10-max-official-thread.442/ http://www.hificircuit.com/community/threads/fusion-10-max-official-thread.442/ invalid@example.com (tuxedocivic) tuxedocivic http://www.diysoundgroup.com/home-theater-speakers/cinema-10/cinema-10-max-kit.html

Cinema 10 Max

I'd like to thank Erich and all the people involved in the SEOS design (zilch, Audio Josh, Coctostan, Penngray, LTD02, etc.)

SUMMARY

This speaker combines the compact footprint of a 10" speaker with the incredible output of a comparible 15" speaker. It uses a seamless...

Fusion 10 Max Official Thread]]> 10 Tue, 20 Nov 2018 04:00:44 +0000 http://www.hificircuit.com/community/threads/fusion-10-pure-official-thread.443/ http://www.hificircuit.com/community/threads/fusion-10-pure-official-thread.443/ invalid@example.com (tuxedocivic) tuxedocivic http://www.diysoundgroup.com/waveguide-speaker-kits/fusion-10.html

FUSION 10 Pure mkii

I'd like to thank Erich and all the people involved in designing the SEOS (zilch, Audio Josh, Coctostand, Penngray, LTD02, etc.)

Speaker Summary

This speaker was designed to provide high efficiency and output, while achieving linear axial and polar response, all on a reasonable budget and compact...

Fusion 10 Pure Official Thread]]> 59 Thu, 24 Sep 2015 22:01:44 +0000 http://www.hificircuit.com/community/threads/mtg-08-8-celestion-dna-150-dw-774s-bookshelf-surround-design.50/ http://www.hificircuit.com/community/threads/mtg-08-8-celestion-dna-150-dw-774s-bookshelf-surround-design.50/ invalid@example.com (Matt Grant) Matt Grant Updated to show finished design and details:

This design uses the Celestion TF0818 and the DNA-150/DW-774s, goal was to have a compact bookshelf that had high efficiency, good dynamics, decent extension, smooth articulate sound and do so with a budget of around $100 for drivers and crossover parts per speaker.

Finished enclsoures:



On axis FR:

...

"MTG-08" 8" Celestion + DNA-150/DW-774s bookshelf/surround design]]> 113 Sat, 01 Aug 2015 00:07:40 +0000 http://www.hificircuit.com/community/threads/list-of-diy-sound-group-designs.124/ http://www.hificircuit.com/community/threads/list-of-diy-sound-group-designs.124/ invalid@example.com (tuxedocivic) tuxedocivic
SEOS 12 Designs

Eminence 2512 - 12" pro audio format high output design by Bill Waslo
http://www.diysoundgroup.com/forum/index.php?topic=9.0

Dayton Designer 12 - 12" full range, large sized, design by Bill Waslo...

List of DIY Sound Group designs]]> 13 Mon, 14 Oct 2013 02:17:03 +0000 http://www.hificircuit.com/community/threads/the-minion-8-b-c-dna-205-eos-8-bookshelf-surround-design.111/ http://www.hificircuit.com/community/threads/the-minion-8-b-c-dna-205-eos-8-bookshelf-surround-design.111/ invalid@example.com (Matt Grant) Matt Grant Edit: Name changed from "Little Mayhem" to "Minion" in order to be a better match to the 15" B&C design "Sentinel" .

Now the MTG-08 is no slouch, but you could consider this as an upgrade where you want a little more from the same form factor and don't mind paying a little extra for it. The Minion takes the MTG-08 style design to another level using higher quality...

The "Minion" 8" B&C + DNA-205/EOS-8 bookshelf/surround design]]> 49