Please see notes below.

424 - 446

Rock-Ola 424, 425, 426, 429, 431, 432, 433, 434, 435, 436, 437, 440, 441, 442, 443, 444, 445, 446
Years 1964 - 1971: The previously visible mechanism was hidden step by step. First it could be seen through a small window, later it was completely covered by the title glasses. First attempts with transistorized technology was done in the mid Sixties, but Rock-Ola returned to well prooven valve technology for another couple of years. The selection system was still electro-mechanical using numbers and letters.
Pages: 1 2 3 4
Pages: 1 2 3 4
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