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Tuesday, January 14, 2020

Unitron Speakers

Unitron speakers? Huh? An easy thrift store pass by..... It is what is in the box that the treasures can be found.







This pair caught my eye as the cabinets are in pretty good shape and made of real wood veneer, they do need a bit of sanding and new polish, that is easy work.

I opened these up and found a 10" Coral woofer and Coral Alnico tweeter, I figure the cabinets and the drivers were well worth the low low asking price.



My plan was to find a new home for some 10" Foster Alnico woofers and a tweeter of some sort, these boxes would fit the bill.


 I got these home and listed to them with the Coral's in them, boomy, boxy sound was all I heard. The Q's are too high from the woofer for this box. I pulled them out and inserted the Foster 10" Alnico woofer and a Radio Shack 4" Alnico full range speaker, crossed over with a simple 22uf cap around 900hz. Now these speakers sound delightful, like amazingly delightful.



Like amazingly delightful, I am going to do more finishing work on them but I have them up and running and I like what I hear.

I mounted the Corals on a spare baffle board that I had around and gave these a listen....OMG these on a baffle are a completely different speaker. Super efficient, the high Q's add beautiful sounding bass for its size of the woofer and the mids and highs are dreamy delicious. Just as I suspected.

New baffles will be made for these and I will offer them up for sale in the near future.






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