$500 – $1,000
Wanted to build a better set of speakers than the ones I built in high school that I still use today, using solid Walnut just like those (no there is no resonance) to make them a thing of beauty & detailed sound, cost was no object nor was weight a consideration, nobody is going to try & steal them. The final set of speakers I am going to build probably.
Big, bad, beautiful & superior sounding with no subwoofer required, enough said.
2) Morel ST 728s #86-277-090
2)Morel CAT 308s #277-082
4)Eminence Alpha 4-8s #290-4012
2) Dayton (made by Eminence) ST-210-8 8″ series II woofers #295-100
2) Dayton (made by Eminence) ST-385-8 15″ Series II woofers #295-130
15/16″ thick solid walnut cabinets & backs, mitered corner joints with glued & screwed bracing throughout, backs have 1/4″ 3 ply birch laminated to them. 3/4″ solid walnut front baffles with 6 ply 3/8″ birch plywood laminated to them for strength for a 1-1/8″ thickness. 3 port design with baffle separating woofer compartments. 4 Eminence ISO-5 5″ mid range isolation enclosures used. Cabinet dimensions are 28.5″ high x 17.5″ wide x 14.75″ deep. 1″ thick foam glued to insides of cabinet for sound absorption. Black PVC for ports with flanges on the inside for a clean look. Offset terminal board of walnut for beauty. Speaker grill cloth frame made of 3/8″ industrial fiberglass.
2 pieces of 7 to 8″ wide 15/16″ thick walnut laminated to get the required 14.75″ width, mitered & braced. Backs & fronts glued into cabinet channel along with glued & screwed bracing from the inside. All speaker cavities routed for flush flanges. Modified cooling fan guards were used for the tweeter guards
All 2nd order except for the mid ranges which use a narrow band first order, using TRW, Epos & Rifa polypropylene metal film capacitors, 14 ga. hand wound coils for the woofers. 200 watt 4 ohm L pad for tweeters. (8 ohm 100w stereo L pads in parallel). -6db switchable L pads for the mids & 8″ woofer. Hand wired circuit boards made of fiberglass.
A very involved & long project that turned out better than expected. I did not hurry on this project that took 4 months to complete, attention to detail was given.
About the Designer:
Built my first set of speakers in high school in 1975, I still have them today & use them. Have built 7 sets of solid walnut speakers over the years because I love to beauty of the wood. There is no resonance when built right. Instrument tech/electronics tech is my job, Audio & music is my passion. I don’t own any manufactured speakers, be they Pro audio or otherwise.
Project Parts List:
|Morel ST 728 Supreme 1-1/8″ Soft Dome Tweeter Pair|
|Morel CAT 308 1-1/8” Soft Dome Tweeter|
|Eminence Alpha 4-8 4″ Full-Range Pair 8 Ohm|
|Dayton Audio ST210-8 8″ Series II Woofer|
|Dayton Audio ST385-8 15″ Series II Woofer|