I've seen a lot of Corsair IIs but never one with a serial number that high
(2722). I'm guessing it's a relatively late-production one.
You can sometimes get a rough idea by popping the cover and looking at the
date codes on ICs. Among other things they'll have a YYMM code (or maybe it
was MMYY, can't remember). Obviously they could be using an older batch of
ICs but chances are the year will correspond roughly to the year of
manufacture (I'd guess), and if you see enough ICs with similar years in the
date codes you'll might have your answer.
But someone on the list will probably come up with a better answer.
73,
--Andrew
On Thu, Feb 24, 2011 at 7:50 AM, Gordon Gibson <gordon@gibson174.plus.com>wrote:
> A local pal (G4HCS) has a pristine Corsair11 he is interested to find out
> the date of manufacture
>
> looking at the serial number plate there is no letter as in my Omni and
> Paragon rigs.
>
> The serial number is 561 02722
>
> I believe that the 561 was introduced around 1985 if this is so it follows
> a different method of numbering to later Ten-Tec's
>
> any info would be appreciated
>
> 73 de Gordon G3ZFZ
>
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