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Who can identify this vintage speaker

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The coaxial loudspeaker driver in the picture is an early version of the Electrovoice 12TRXB or 15TRXB -- neither RCA nor British, FWIW.

15TRXBrear by Mark Hardy, on Flickr
15TRXBfront by Mark Hardy, on Flickr
^ early 15TRXB

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^ a borrowed image of of an early EV 12TRXB

vtg-electro-voice-ev-12trxb-way_1_62eac2bdd94dc5769bd1c870fec4a3ff.jpg

^ slightly later 12TRXB (note the difference in the tweeter horn design and the different accordion surround on the woofer's cone), also a borrowed image.


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The enclosure looks an itty bitty bit like the classic RCA "refrigerator" monitor enclosure used for the RCA LC-1A (a truly glorious coax driver).



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There's something about the OP's picture that doesn't seem right. Is it me or does that say "jeep" in the logo before the DIY?

DIY is a relatively new thing in that I don't thing that term was being used back in the late 50's/ early 60's.

Was RCA manufacturing speakers in England?

Hopefully the OP can provide some context of where that picture is from
 
It’s something I ran across on Pinterest. It’s from what looks like a Japanese blog. Here’s another screen shot but I can’t read any of it.
BFB89800-2537-48AA-96F1-F11FC3784B82.png
 
The fine print under the jeep logo/DIY seems to say "The bass loudspeaker forum" but could find no listing.
 
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