The e-bay seller had listed this device as a Studiosonic that had Motorola R200 stamped on the back. Ford used Motorola radios so it made sense that the Studiosonic would be made by Motorola.
I studied a couple of low resolution schematics of the Studiosonic and they were a little different from what I had. I finally realized that while Studiosonics were made by Motorola, a Motorola was not a Studiosonic and that I have a Motorola Vibrasonic R200.
Mine could be a period correct after market item. But, quoting a guy on a Pontiac LeMans bulletin board: "Fords & Mopars got factory Motorola Vibrasonic R200 reverbs. Fords also got FoMoCo ones. Delco units were only available from the factory in Buicks, Oldsmobiles, and Pontiacs ... not Chevrolets." So, it might have been a Ford factory or dealer installation.
I looked on e-bay and found a "1962 1963 MOTOROLA AUTO CAR RADIO VIBRASONIC SYSTEM SERVICE MANUAL BROCHURE R200" for $12.99 with postage included. It will be mailed from Fort Wayne, Indiana. "Original H.W. Sams Co. Inc. auto radio "Vibrasonic" reverberation system service manual pages for 1962 and 1963 cars. This manual is for Motorola model number R200 and has 3 pages. Pages are loose. Dated 6/63. Includes service information, wiring diagrams, circuit photos, parts list and descriptions. The model number of your system is located on the unit. Good used condition. Shows slight handling and storage age." Perfect. This will help a lot:
Vibrasonic R200 Service Manual 1.jpg
Vibrasonic R200 Service Manual 2.jpg Vibrasonic R200 Service Manual 3.jpg
I saw this internet picture of a Motorola Vibrasonic R200 with a paper label on the back:
Back with label.jpg
My unit did not have that label:
Reverberator 3 wothout label.jpg
So, I cropped and printed the photo of the label to fit the dimensions of where the label was supposed to have been on mine and made a reproduction:
My reproduction label.jpg
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