Author: Jack Kissinger
Date: 2002-04-30 02:35
What I've picked up from reading others' posts is that the Series 9 is a large bore instrument , the successor to the Centered Tone, and the 9* is a smaller bore instrument designed perhaps to compete with the R13 and the forerunner to the Series 10. From what I've read, the 9* was introduced toward the end of the Series 9 run and both were made concurrently. This is all secondhand, however, and perhaps someone who knows more can give a definitive answer. The only thing I can confirm firsthand is that the Series 9 is a large bore instrument -- I have one. I don't know the serial numbers for these models but the Series 9, in general dates from the 60's through perhaps 1972 (possibly not this late but I'm fairly sure not much later). You don't need to know serial numbers to distinguish the two models, however, even if it is possible. The two models are distinctly marked. Hope this is helpful.
Best regards,
jnk
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