Doubt you will see a pair much earlier than these.
Reminds me of the first pair I saw in 1972.
https://www.ebay.co.uk/itm/Linn-Iso...d=link&campid=5338728743&toolid=20001&mkevt=1
Reminds me of the first pair I saw in 1972.
https://www.ebay.co.uk/itm/Linn-Iso...d=link&campid=5338728743&toolid=20001&mkevt=1
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