WA4HHZ Ron Hankins Electronics Specialty: 
www.electronicspecialtyproducts.com/index.html

No longer in production. He made a couple of versions of it. Used line out, so 
you had to use an amplifier for audio. I had one of each version years ago. 
They worked quite well on both the R-390 and SP-600 variants.

Les


----- Original Message -----
From: Nick England <[email protected]>
To: Collins R-390 HF Receiver List <[email protected]>
Sent: 3/20/2024 7:45:39 AM
Subject: [R-390] Mystery R-390() SSB adapter
________________________________________________________________________________

Anyone recognize this??

Nick England K4NYW
www.navy-radio.com
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