Giorgio AR Posted June 26, 2019 Report Share Posted June 26, 2019 Hi, I illustrate this pair of my AR4x, produced at the end of 1969 (as written on the woofer magnets, dated 46 69 and 47 69). There is a week of age difference between the two woofers, both have a foam ring on the cone (which is very rare, I think I only saw another pair with this ring on the cone). The serial numbers (which should be close to about 300000) are identified with AR4x Hfa 006195 and Hfa 00750 .. (the last two numbers are illegible) Why is the numbering not progressive, as usual? Perhaps this numbering is exclusive for AR4x with ring on the woof The photos illustrate: the speakers with grilles, speakers without grilles, back of the speakers, the two labels with the model and serial number, the woofer magnets Quote Link to comment Share on other sites More sharing options...
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