I haven’t been able to locate a table of serial number to manufacture date for my HG-920. Serial number is 707056. I inherited it after my father-in-law died and I know he had no information about it. Anything you have would be greatly appreciated.
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All the 900 series serial numbers I’ve seen have been five digits. Where are you getting that number from? If it’s on the neck block then it’s not a serial number. The serial number on a 920 is usually stamped on one of the braces visible through the soundhole.
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Ah. And so it is 00778
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The 900 series was introduced in 1979 and all the serial numbers I’ve seen have started 9, 0 or 1. So I’ll take a wild stab and say yours was made in 1980 in Japan.
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Hohner Service can only say it was built between 1978 and 1985 in Japan, so Phil’s estimate could very well be right.
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