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Easy to date an OR

Posted: Fri Nov 23, 2018 9:32 am
by 9range9
Hi bclaire

Isn't it possible to date an OR amp without a catalog?

Between 1973 and 1979 it should be quite easy by having the stamped in Serial-No. Isn't it? :wink:

Apart from this, the Catalogs are very nice to see. Thanks therefore.

Cheers

Re: Easy to date an OR

Posted: Fri Nov 23, 2018 4:37 pm
by bclaire
Serial numbers can be unreliable sometimes. Catalogs are useful because they put you in the ball park...