Is there an Alternative to MCM 54-580 or Pyle Pro PH65

I would like to build the Zaph Waveguide TMM. Unfortunately I can't seem to find the MCM 54-580 or the Pyle Pro PH65. I've ordered on the sites that show that they have stock only to have the order canceled because they can't fulfill it.

Does anyone know of an alternative that will work in place of the MCM or Pyle part?

Thanks,
MM
 
The Arrived

The waveguides arrived from Altronics.

They shipped the parts on Monday and they arrived on Wednesday. Shipping was through standard airmail and cost about $25. Given the speed of the delivery I'm impressed with the service.

The waveguides themselves were $16.00 each.
 
The Elsinore waveguide looks smaller & deeper than what Zaph used.

How about this?

Soundlabs Group WG148R Wave Guide

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That one appears to have the correct size throat. If the profile is correct then they wouldn’t need any machining. That could make it a straight forward build.

There’s a profile of the waveguide on Zaph’s site that you could compare to the drawing to check before ordering.
 
The Visaton Waveguide listed at $29 from SoundLab is also available from Mouser.com at $16.65. Mouser part# 243-WAVEGUIDEWG148R.

Not to mention that Visaton's matching KE 25 SC ceramic tweeter listed at $285 by SoundLab, is available from Mouser at $141! Mouser part# 243-KE25SC-8OHM.
 
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