Hestia OB, an ambitious low cost, 3-way OB design

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Badwater

Re: Hestia OB, an ambitious low cost, 3-way OB design
« Reply #320 on: 30 Dec 2018, 03:06 pm »
Plan on doing this build.

A couple questions:

The Dayton woofer has an fs of 50.5 fs vs mid 40s mentioned early in this posting. Has something changed?  Should I be looking at a different driver?

https://www.parts-express.com/pedocs/specs/295-030-dayton-audio-pa255-8-specifications-46882.pdfP

The specified 1.4 mh inductor is currently not available from Psrts Express.  Can I substitute a 1.5 mh inductor with minimal impact?

Thanks in advance for your help.  This looks like a great project.

Bill

matevana

Re: Hestia OB, an ambitious low cost, 3-way OB design
« Reply #321 on: 30 Dec 2018, 11:22 pm »
Hey Bill,

With a baffle this size, 10 Hz on the woofers low end will make little difference. Aside from listening in the near field, cancellation will set in before you would likely detect a difference. Yes, I would suggest opting for an inductor one size larger (not smaller) if you have to make a crossover swap. 1.5 mH should be fine. Have fun!

Badwater

Re: Hestia OB, an ambitious low cost, 3-way OB design
« Reply #322 on: 31 Dec 2018, 02:21 pm »
Thanks for the quick reply.  I am off to the races and hope to have this done by mid January.

Badwater

Re: Hestia OB, an ambitious low cost, 3-way OB design
« Reply #323 on: 15 Jan 2019, 08:38 pm »
They are finished!!  Very pleased with how they turned out, especially how they sound.  Great design... thanks for putting this out there.







RolandButcher

  • Jr. Member
  • Posts: 22
Re: Hestia OB, an ambitious low cost, 3-way OB design
« Reply #324 on: 15 Jan 2019, 08:41 pm »
Badwater, those look great!

matevana

Re: Hestia OB, an ambitious low cost, 3-way OB design
« Reply #325 on: 17 Jan 2019, 07:17 pm »
Looks great in the room. Nice job!